{"id":16,"date":"2018-11-09T20:00:16","date_gmt":"2018-11-09T20:00:16","guid":{"rendered":"http:\/\/groups.cs.umass.edu\/zamani\/?page_id=16"},"modified":"2026-04-02T22:18:30","modified_gmt":"2026-04-03T03:18:30","slug":"publications","status":"publish","type":"page","link":"https:\/\/groups.cs.umass.edu\/zamani\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"
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Publications in reversed chronological order.<\/p>\n

dblp<\/a>,\u00a0Google Scholar<\/a><\/p>\n

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\u00a02026\u00a0<\/span><\/h1>\n<\/div>\n
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Beyond a Million Tokens: Benchmarking and Enhancing Long-Term Memory in LLMs<\/b><\/div>\n
Mohammad Tavakoli, Alireza Salemi, Carrie Ye, Mohamed Abdalla, Hamed Zamani<\/em>, J. Ross Mitchell
<\/span>In Proceedings of the 14th International Conference on Learning Representations, 2026 <\/em>(ICLR ’26)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
Pathways of Thoughts: Multi-Directional Thinking for Long-form Personalized Question Answering<\/b><\/div>\n
Alireza Salemi, Cheng Li, Mingyang Zhang, Qiaozhu Mei, Zhuowan Li, Spurthi Hombaiah, Weize Kong, Tao Chen, Hamed Zamani<\/em>, and Michael Bendersky
<\/span>In Proceedings of the Web Conference, 2026 <\/em>(WWW ’26)
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n<\/div>\n<\/header><\/header>\n
\u00a0<\/div>\n
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Inferential Question Answering<\/b><\/div>\n
Jamshid Mozafari, Hamed Zamani<\/em>, Guido Zuccon, and Adam Jatowat
<\/span>In Proceedings of the Web Conference, 2026 <\/em>(WWW ’26)
<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/header><\/header>\n
\u00a0<\/div>\n
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Uncertainty Quantification for Retrieval-Augmented Reasoning<\/strong><\/div>\n
Heydar Soudani, Hamed Zamani<\/em>, Faegheh Hasibi<\/div>\n
In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2026 (SIGIR \u201926)<\/i><\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n<\/div>\n
Learning from Natural Language Feedback for Personalized Question Answering<\/strong><\/div>\n
Alireza Salemi and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2026 (SIGIR \u201926)<\/i><\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n<\/div>\n
Scaling Laws for Embedding Dimension in Information Retrieval<\/b><\/div>\n
Julian Killingback*, Mahta Rafiee*, Madine Manas, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2026 (SIGIR \u201926)<\/i><\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n<\/header>\n
\u00a0<\/div>\n
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Evaluation of Information Access Agents under Simulated AI Marketplace Dynamics<\/strong><\/div>\n
To Eun Kim, Alireza Salemi, Fernando Diaz, and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2026 (SIGIR \u201926)<\/i><\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n<\/div>\n
Total Recall QA: A Verifiable Evaluation Suite for Deep Research Agents<\/b><\/div>\n
Mahta Rafiee, Heydar Soudani, Zahra Abbasiantaeb, Mohammad Aliannejadi, Faegheh Hasibi, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2026 (SIGIR \u201926)<\/i><\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
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\u00a0<\/div>\n<\/header><\/header>\n
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Exploring and Improving Cross- and Multi-Domain Personalized Question Answering via a Dual Retrieval Augmentation Approach<\/strong><\/div>\n
Ozel Yilmazel, Hamed Zamani<\/em>, and James Allan<\/div>\n
In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2026 (SIGIR \u201926)<\/i>
<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Learning to Reason for Multi-Step Retrieval of Personal Context in Personalized Question Answering<\/b><\/div>\n
Maryam Amirizaniani, Alireza Salemi, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2026 (SIGIR \u201926)<\/i><\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n<\/div>\n
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Can Instructed Retrieval Models Really Support Exploration?<\/b><\/div>\n
Piyush Maheshwari, Sheshera Mysore, and Hamed Zamani
<\/span>In Proceedings of the 2026 ACM SIGIR Conference on Human Information Interaction and Retrieval, 2026 (CHIIR ’26<\/i><\/em>)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/header><\/header><\/div>\n
\u00a0<\/div>\n
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Scaling Laws for Reranking in Information Retrieval<\/b><\/div>\n
Rahul Seetharaman, Aman Bansal, Hamed Zamani<\/em>, and Kaustubh Dhole
<\/span>arxiv, 2026 <\/em>(preprint)
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n<\/div>\n<\/header>\n
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Improving User Privacy in Personalized Generation: Client-Side Retrieval-Augmented Modification of Server-Side Generated Speculations<\/b><\/div>\n
Alireza Salemi and Hamed Zamani<\/em>
<\/span>arxiv, 2026 <\/em>(preprint)
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n<\/header>\n
\u00a0<\/div>\n
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Truncated Step-Level Sampling with Process Rewards for Retrieval-Augmented Reasoning<\/b><\/div>\n
Chris Samarinas, Haw-Shiuan Chang, and Hamed Zamani<\/em>
<\/span>arxiv, 2026 <\/em>(preprint)
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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TERSE: Test-Time Adaptation via Retrieval of Skills and Experience for Reasoning Agents<\/b><\/div>\n
Junda Wang, Zonghai Tao, Hansi Zeng, Zhichao Yang, Hamed Zamani<\/em>, and Hong Yu
<\/span>arxiv, 2026 <\/em>(preprint)
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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\u00a02025\u00a0<\/span><\/h1>\n<\/div>\n
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Personalization of Large Language Models: A Survey<\/strong><\/a><\/div>\n
Zhehao Zhang et al.<\/em><\/div>\n
Transactions on Machine Learning Research, 2025<\/i><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n<\/div>\n<\/header>\n
\u00a0<\/div>\n
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Search-R1: Training LLMs to Reason and Leverage Search Engines with Reinforcement Learning<\/strong><\/div>\n
Bowen Jin, Hansi Zeng, Zhenrui Yue, Jinsung Yoon, Sercan O. Arik, Dong Wang, Hamed Zamani, <\/em>and Jiawei Han<\/div>\n
In Proceedings of the Second Conference on Language Modeling, 2025 (COLM ’25)
<\/i>[Preprint<\/a>] [code<\/a>] [models<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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LaMP-QA: A Benchmark for Personalized Long-form Question Answering<\/strong><\/div>\n
Alireza Salemi and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP ’25)
<\/i>[Preprint<\/a>] [code and data<\/a>]<\/span><\/div>\n<\/div>\n
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\u00a0<\/div>\n<\/div>\n
Accelerating Retrieval Augmented Generation<\/b><\/a><\/div>\n
Derrick Quinn, Mohammad Nouri, Neel Patel, Alireza Salemi, Sukhan Lee, Hamed Zamani<\/em>, and Mohammad Alian
In Proceedings of the ACM International Conference on Architectural Support for Programming Languages and Operating Systems, 2025 (ASPLOS ’25)<\/em><\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n<\/header>\n
\u00a0<\/div>\n
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Hypencoder: Hypernetworks for Information Retrieval<\/strong><\/a><\/div>\n
Julian Killingback, Hansi Zeng, and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2025 (SIGIR \u201925)<\/i>
<\/i>[Preprint<\/a>] [code<\/a>] [models<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Bridging Personalization and Control in Scientific Personalized Search<\/strong><\/a><\/div>\n
Sheshera Mysore, Garima Dhanania, Kishor Patil, Surya Kallumadi, Andrew McCallum, and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2025 (SIGIR \u201925)<\/i>
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Scaling Sparse and Dense Retrieval in Decoder-Only LLMs<\/strong><\/a><\/div>\n
Hansi Zeng, Julian Killingback, and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2025 (SIGIR \u201925)<\/i>
<\/i>[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Personalized Generation in Large Model Era: A Survey<\/strong><\/a><\/div>\n
Yiyan Xu, Jinghao Zhang, Alireza Salemi, Xinting Hu, Wenjie Wang, Fuli Feng, Hamed Zamani, <\/em>Xiangnan He, and Tat-Seng Chua<\/div>\n
In Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics, 2025 <\/em>(ACL ’25)<\/i>
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Beyond Factual Accuracy: Evaluating Coverage of Diverse Factual Information in Long-form Text Generation<\/strong><\/a><\/div>\n
Chris Samarinas, Alexander Krubner, Alireza Salemi, Youngwoo Kim, and Hamed Zamani<\/em><\/div>\n
In Findings of the 63rd Annual Meeting of the Association for Computational Linguistics, 2025 <\/em>(ACL ’25 Findings)<\/i>
<\/i>[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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ExPerT: Effective and Explainable Evaluation of Personalized Long-Form Text Generation<\/strong><\/a><\/div>\n
Alireza Salemi, Julian Killingback, and Hamed Zamani<\/em><\/div>\n
In Findings of the 63rd Annual Meeting of the Association for Computational Linguistics, 2025 <\/em>(ACL ’25 Findings)<\/i>
<\/i>[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Comparing Retrieval-Augmentation and Parameter-Efficient Fine-Tuning for Privacy-Preserving Personalization of Large Language Models<\/strong><\/a><\/div>\n
Alireza Salemi and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 2025 ACM International Conference on Innovative Concepts and Theories in Information Retrieval, 2025 <\/em>(ICTIR \u201925)<\/i><\/span><\/div>\n
[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Learning to Rank for Multiple Retrieval-Augmented Models through Iterative Utility Maximization<\/strong><\/a><\/div>\n
Alireza Salemi and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 2025 ACM International Conference on Innovative Concepts and Theories in Information Retrieval, 2025 <\/em>(ICTIR \u201925)<\/i><\/span><\/div>\n
[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n<\/div>\n
\u00a0<\/div>\n
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Reliable Annotations with Less Effort: Evaluation LLM-Human Collaboration in Search Clarification<\/strong><\/a><\/div>\n
Leila Tavakoli and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 2025 ACM International Conference on Innovative Concepts and Theories in Information Retrieval, 2025 <\/em>(ICTIR \u201925)<\/i><\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
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Distillation and Refinement of Reasoning in Small Language Models for Document Re-Ranking<\/strong><\/a><\/div>\n
Chris Samarinas and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 2025 ACM International Conference on Innovative Concepts and Theories in Information Retrieval, 2025 <\/em>(ICTIR \u201925)<\/i><\/span><\/div>\n
[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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CIIR@LiveRAG 2025: Optimizing Multi-Agent Retrieval Augmented Generation through Self-Training<\/strong><\/div>\n
Alireza Salemi, Mukta Maddipatla, and Hamed Zamani<\/em><\/div>\n
In Proceedings of the LiveRAG Challenge at ACM SIGIR 2025<\/i>
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Plan-and-Refine: Diverse and Comprehensive Retrieval-Augmented Generation<\/strong><\/div>\n
Alireza Salemi, Chris Samarinas, and Hamed Zamani<\/em><\/div>\n
arxiv, 2025 <\/i>(preprint)
<\/i>[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Reasoning-Enhanced Self-Training for Long-from Personalized Text Generation<\/strong><\/div>\n
Alireza Salemi, Cheng Li, Mingyang Zhang, Qiaozhu Mei, Weize Kong, Tao Chen, Zhuowan Li, Michael Bendersky, and Hamed Zamani<\/em><\/div>\n
arxiv, 2025 <\/i>(preprint)
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Open-Domain and Knowledge-Intensive Video Question Answering<\/strong><\/div>\n
Md Zarif Ul Alam and Hamed Zamani<\/em><\/div>\n
arxiv, 2025 <\/i>(preprint)
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Can Pre-training Indicators Reliably Predict Fine-tuning Outcomes of LLMs?<\/b><\/div>\n
Hansi Zeng, Kai Hui, Honglei Zhuang, Zhen Qin, Zhenrui Yue, Hamed Zamani, <\/em>and Dana Alon<\/div>\n
arxiv, 2025 <\/i>(preprint)
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Aligning LLMs on a Budget: Inference-Time Alignment with Heuristic Reward Models<\/strong><\/div>\n
Mason Nakamura, Saaduddin Mahmud, Kyle H. Wray, Hamed Zamani<\/em>, and Shlomo Zilberstein<\/div>\n
arxiv, 2025 <\/i>(preprint)
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Benchmarking Information Retrieval Models for Complex Retrieval Tasks<\/strong><\/div>\n
Julian Killingback and Hamed Zamani<\/em><\/div>\n
arxiv, 2025 <\/i>(preprint)
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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LLM-based Multi-Agent Blackboard System for Information Discovery in Data Science<\/strong><\/div>\n
Alireza Salemi, Mihir Parmar, Palash Goyal, Yiwen Song, Jinsung Yoon, Hamed Zamani<\/em>, Hamid Palangi, and Tomas Pfister<\/div>\n
arxiv, 2025 <\/i>(preprint)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
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\u00a02024\u00a0<\/span><\/h1>\n<\/div>\n
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Future of Information Retrieval Research in the Age of Generative AI<\/strong><\/div>\n
James Allan, Eunsol Choi, Daniel Lopresti, Hamed Zamani<\/em>
CCC Report, Computing Research Association, 2024<\/span><\/div>\n<\/div>\n<\/header>\n
[Preprint<\/a>] [website<\/a>]<\/div>\n
\u00a0<\/div>\n
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Interactions with Generative Information Retrieval Systems<\/strong><\/a><\/div>\n
Mohammad Aliannejadi, Jacek Gwizdka, and Hamed Zamani<\/em><\/span><\/div>\n
Book Chapter in Information Access in the Era of Generative AI, 2024<\/i>
<\/i>[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n<\/div>\n
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Generalized Weak Supervision for Neural Information Retrieval<\/b><\/span><\/a><\/div>\n<\/header>
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Yen-Chieh Lien, Hamed Zamani<\/em>, and W. Bruce Croft
<\/span>ACM Transactions on Information Systems (TOIS), 2024<\/i>
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n<\/header>\n
\u00a0<\/div>\n
Online and Offline Evaluation in Search Clarification<\/strong><\/a><\/div>\n
Leila Tavakoli, Johanne R. Trippas, Hamed Zamani<\/em>, Falk Scholer, and Mark Sanderson<\/div>\n
ACM Transactions on Information Systems (TOIS), 2024<\/i>
<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
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The Second Workshop on Large Language Models for Individuals, Groups, and Society<\/strong><\/a><\/div>\n
Michael Bendersky, Cheng Li, Qiaozhu Mei, Vanessa Murdock, Jie Tang, Hongning Wang, Hamed Zamani<\/em>, Mingyang Zhang, and Xingjian Zhang<\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)
<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Third Workshop on Personalization and Recommendations in Search (PaRiS)<\/strong><\/a><\/div>\n
Sudarshan Lamkhede, Hamed Zamani<\/em>, Moumita Bhattacharya, and Hongning Wang<\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Scalable and Effective Generative Information Retrieval<\/b><\/span><\/a><\/div>\n
Hansi Zeng, Chen Luo, Bowen Jin, Sheikh Sarwar, Tianxin Wei, and Hamed Zamani<\/em>
<\/span>In Proceedings of the Web Conference, 2024 <\/em>(WWW ’24)
[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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LaMP: When Large Language Models Meet Personalization<\/b><\/span><\/a><\/div>\n
Alireza Salemi, Sheshera Mysore, Michael Bendersky, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics<\/em>, 2024<\/i>\u00a0(ACL ’24)
[Preprint<\/a>][benchmark website<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
Planning Ahead in Generative Retrieval: Guiding Autoregressive Generation through Simultaneous Decoding<\/strong><\/a><\/div>\n
Hansi Zeng, Chen Luo, and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)
[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Optimization Methods for Personalizing Large Language Models through Retrieval Augmentation<\/strong><\/a><\/div>\n
Alireza Salemi, Surya Kallumadi, and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)<\/span><\/div>\n
[Preprint<\/a>] [code<\/a>]<\/div>\n
\u00a0<\/div>\n
Towards a Search Engine for Machines: Unified Ranking for Multiple Retrieval-Augmented Language Models<\/strong><\/a><\/div>\n
Alireza Salemi and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
ProCIS: A Benchmark for Proactive Retrieval in Conversations<\/strong><\/a><\/div>\n
Chris Samarinas and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
\"\"<\/a><\/span>Evaluating Retrieval Quality in Retrieval-Augmented Generation<\/a><\/strong><\/div>\n
Alireza Salemi and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)<\/span><\/div>\n
[Preprint<\/a>] [code<\/a>] [Best Short Paper Award]<\/b><\/span><\/span><\/div>\n
\u00a0<\/div>\n
Stochastic RAG: End-to-End Retrieval-Augmented Generation through Expected Utility Maximization<\/strong><\/a><\/div>\n
Hamed Zamani<\/em> and Michael Bendersky<\/div>\n
In Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2024 (SIGIR \u201924)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
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ICXML: An In-Context Learning Framework for Zero-Shot Extreme Multi-Label Classification<\/b><\/span><\/a><\/div>\n
Yaxin Zhu and Hamed Zamani<\/em>
<\/span>In Findings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics, 2024 <\/em>(NAACL ’24 Findings)
[Preprint<\/a>] [YouTube video by Manish Gupta (Microsoft)<\/a>]<\/span><\/span><\/span><\/span><\/span><\/div>\n
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\u00a0<\/div>\n
Multimodal Reranking for Knowledge-Intensive Visual Question Answering<\/strong><\/div>\n
Haoyang Wen, Honglei Zhuang, Hamed Zamani<\/em>, Alexander G. Hauptmann, and Michael Bendersky
<\/span>In Proceedings of the 3rd Workshop on Advances in Language and Vision Research, 2024 (ALVR @ ACL 2024)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n<\/div>\n
\u00a0<\/div>\n
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Understanding Modality Preferences in Search Clarification<\/strong><\/div>\n
Leila Tavakoli, Giovanni Castiglia, Federica Cal\u00f2, Yashar Deldjoo, Hamed Zamani<\/em>, and Johanne R. Trippas
In Proceedings of the 1st Workshop on Multimodal Search and Recommendations, 2024 (MMSR @ CIKM 2024)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
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CS^4: Measuring the Creativity of Large Language Models Automatically by Controlling the Number of Story-Writing Constraints<\/strong><\/div>\n
Anirudh Atmakuru, Jatin Nainani, Rohith S. R. Bheemreddy, Anirudh Lakkaraju, Zonghai Yao, Hamed Zamani<\/em>, and Haw-Shiuan Chang
In Proceedings of the Sixth Workshop on Narrative Understanding, 2024 (WNU @ EMNLP 2024)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
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\u00a0<\/div>\n
Simulating Task-Oriented Dialogues with State Transition Graphs and Large Language Models<\/strong><\/div>\n
Chris Samarinas*, Pracha Promthaw*, Atharva Nijasure*, Hansi Zeng, Julian Killingback, and Hamed Zamani<\/em>
arxiv, 2024 <\/i>(preprint)
<\/i>[Preprint<\/a>] [code<\/a>]<\/span><\/div>\n<\/div>\n<\/div>\n
\u00a0<\/div>\n
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Retrieval-Enhanced Machine Learning: Synthesis and Opportunities<\/strong><\/div>\n
To Eun Kim, Alireza Salemi, Andrew Drozdov, Fernando Diaz, and Hamed Zamani<\/em>
arxiv, 2024 <\/i>(preprint)
<\/i>[Preprint<\/a>] [Tutorial Website<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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Interactive Topic Models with Optimal Transport<\/strong><\/div>\n
Garima Dhanania, Sheshera Mysore, Chau Minh Pham, Mohit Iyyer, Hamed Zamani<\/em>, and Andrew McCallum<\/div>\n
arxiv, 2024 <\/i>(preprint)
<\/i>[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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LongLaMP: A Benchmark for Personalized Long-form Text Generation<\/strong><\/div>\n
Ishita Kumar, Snigdha Viswanathan, Sushrita Yerra, Alireza Salemi, Ryan A. Rossi, Franck Dernoncourt, Hanieh Deilamsalehy, Xiang Chen, Ruiyi Zhang, Shubham Agarwal, Nedim Lipka, and Hamed Zamani<\/em><\/div>\n
arxiv, 2024 <\/i>(preprint)
<\/i>[Preprint<\/a>] [website<\/a>]<\/span><\/div>\n<\/div>\n
\n
\u00a0<\/div>\n<\/div>\n
\n
\n
\n
\u00a0<\/div>\n<\/div>\n<\/div>\n
\n

\u00a02023\u00a0<\/span><\/h1>\n<\/div>\n
\n
Conversational Information Seeking<\/a>
<\/span><\/strong>Hamed Zamani<\/em>, Johanne R. Trippas, Jeff Dalton, and Filip Radlinski
<\/span>Foundations and Trends in Information Retrieval (FntIR), 2023<\/i>
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Conversational Information Seeking: Theory and Application (Tutorial)
<\/span><\/strong>Jeff Dalton, Filip Radlinski, Federico Rossetto, Johanne R. Trippas, Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the Web Conference, 2023 <\/em>(WWW ’23)
[tutorial website<\/a>]<\/span><\/div>\n<\/div>\n<\/header>\n
\u00a0<\/div>\n
\n
SIGIR 2023 Workshop on Retrieval-Enhanced Machine Learning (REML @ SIGIR 2023)<\/b><\/span><\/a><\/div>\n
Michael Bendersky, Danqi Chen, Fernando Diaz, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2023 (SIGIR \u201923)
[workshop website<\/a>]
<\/span><\/div>\n
\u00a0<\/div>\n<\/div>\n
A Personalized Dense Retrieval Framework for Unified Information Access<\/b><\/span><\/a><\/div>\n
Hansi Zeng, Surya Kallumadi, Zaid Alibadi, Rodrigo Nogueira, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2023 (SIGIR \u201923)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
\n
\"\"<\/a><\/span><\/strong>A Symmetric Dual Encoding Dense Retrieval Framework for Knowledge-Intensive Visual Question Answering<\/a><\/b><\/span><\/div>\n
Alireza Salemi, Juan Altmayer Pizzorno, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2023 (SIGIR \u201923)<\/span><\/div>\n
[Preprint<\/a>] [Best Student Paper Award]<\/b><\/span><\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
Editing User Profiles for Controllable Text Recommendation<\/b><\/span><\/a><\/div>\n
Sheshera Mysore, Mahmood Jasim, Andrew McCallum, and Hamed Zamani<\/em>
<\/span>In Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2023 (SIGIR \u201923)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
FiD-Light: Efficient and Effective Retrieval-Augmented Text Generation<\/strong><\/a><\/div>\n
Sebastian Hofst\u00e4tter, Jiecao Chen, Karthik Raman, and Hamed Zamani<\/em>
<\/span><\/div>\n
In Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2023 (SIGIR \u201923)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
Multivariate Representation Learning for Information Retrieval<\/strong><\/a><\/div>\n
Hamed Zamani<\/em> and Michael Bendersky
<\/span><\/div>\n
In Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2023 (SIGIR \u201923)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
Soft Prompt Decoding for Multilingual Dense Retrieval<\/strong><\/a><\/div>\n
Zhiqi Huang, Hansi Zeng, Hamed Zamani<\/em>, and James Allan
<\/span><\/div>\n
In Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2023 (SIGIR \u201923)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
Learning List-Level Domain-Invariant Representations for Ranking<\/strong><\/a><\/div>\n
Ruicheng Xian, Honglei Zhuang, Zhen Qin, Hamed Zamani<\/em>, Jing Lu, Ji Ma, Kai Hui, Han Zhao, Xuanhui Wang, Michael Bendersky<\/div>\n
In Proceedings of the 37th Conference on Neural Information Processing Systems, <\/em>2023 (NeurIPS \u201923)
[Preprint<\/a>] [Selected for Spotlight Presentation]<\/strong>
<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
Pre-Training Multi-Modal Dense Retrievers for Outside-Knowledge Visual Question Answering<\/strong><\/a><\/div>\n
Alireza Salemi, Mahta Rafiee, and Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 2023 ACM International Conference on the Theory of Information Retrieval, 2023 <\/em>(ICTIR \u201923)
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
Large Language Model Augmented Narrative Driven Recommendations<\/span><\/strong><\/a><\/div>\n
Sheshera Mysore, Andrew McCallum, and Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 17th ACM Conference on Recommender Systems, <\/em>2023 (RecSys \u201923)
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
\n
Multi-Modal Augmentation for Large Language Models with Applications to Task-Oriented Dialogues<\/b><\/span><\/a><\/div>\n
Chris Samarinas, Pracha Promthaw, Rohan Lekhwani, Sheshera Mysore, Sung Ming Huang, Atharva Nijasure, Hansi Zeng, and Hamed Zamani<\/em>
<\/span>In Proceedings of the Second Alexa Prize TaskBot Challenge (Alexa Prize ’23)<\/em><\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
\u00a0<\/div>\n
\n
\n

\u00a02022\u00a0<\/span><\/h1>\n<\/div>\n
Conversational Information Seeking: Theory and Application (Tutorial)<\/a><\/span><\/strong><\/div>\n<\/header>\n
Jeff Dalton, Sophie Fischer, Paul Owoicho, Filip Radlinski, Federico Rossetto, Johanne R. Trippas, Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2022 (SIGIR \u201922)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
Analyzing Clarification in Asynchronous Information Seeking Conversations<\/a><\/strong>
<\/span>Leila Tavakoli, Hamed Zamani<\/em>, Falk Scholer, W. Bruce Croft, and Mark Sanderson
<\/span>Journal of the Association for Information Science and Technology,\u00a0<\/em>2022 (JASIST)
[Preprint<\/a>]
<\/span><\/div>\n
\u00a0<\/div>\n
Retrieval-Enhanced Machine Learning<\/a>
<\/span><\/strong>Hamed Zamani<\/em>*, Fernando Diaz*, Mostafa Dehghani, Donald Metzler, and Michael Bendersky
<\/span>In Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2022 (SIGIR \u201922)
[Preprint<\/a>]
<\/span><\/div>\n
\u00a0<\/div>\n
MIMICS-Duo: Enabling Both Offline & Online Evaluations for Search Clarification<\/a>
<\/span><\/strong>Leila Tavakoli, Johanne R. Trippas, Hamed Zamani<\/em>, Falk Scholer, and Mark Sanderson
<\/span>In Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2022 (SIGIR \u201922)
[Preprint<\/a>] [Data<\/a>]<\/span>
<\/span><\/div>\n
\u00a0<\/div>\n
\"\"<\/a>Curriculum Learning for Dense Retrieval Distillation<\/a>
<\/span><\/strong>Hansi Zeng, Hamed Zamani<\/em>, Vishwa Vinay
<\/span>In Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, <\/em>2022 (SIGIR \u201922)<\/span><\/div>\n
[Preprint<\/a>] [Code<\/a>] [Best Short Paper Award]<\/b><\/span><\/span><\/div>\n
\u00a0<\/div>\n
\n
Stochastic Retrieval-Conditioned Reranking<\/a>
<\/span><\/strong>Hamed Zamani*<\/em>, Michael Bendersky*, Donald Metzler, Honglei Zhuang, Xuanhui Wang
<\/span>In Proceedings of the 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, <\/em>2022 (ICTIR \u201922)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
Revisiting Open Domain Query Facet Extraction and Generation<\/a>
<\/span><\/strong>Chris Samarinas, Arkin Dharawat, Hamed Zamani<\/em>
<\/span>In Proceedings of the 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, <\/em>2022 (ICTIR \u201922)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
\n
DISAPERE: A Dataset for Discourse Structure in Peer Review Discussions<\/strong><\/a><\/div>\n
Neha Nayak Kennard, Tim O’Gorman, Akshay Sharma, Chhandak Bagchi, Matthew Clinton, Pranay Kumar Yelugam, Rajarshi Das, Hamed Zamani<\/em>, Andrew McCallum<\/div>\n
In Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, <\/em>2022 (NAACL \u201922)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
Stochastic Optimization of Text Set Generation for Learning Multiple Query Intent Representations<\/a>
<\/span><\/strong>Helia Hashemi, Hamed Zamani<\/em>, W. Bruce Croft
<\/span>In Proceedings of the 31st ACM International on Conference on Information and Knowledge Management, <\/em>2022 (CIKM \u201922)<\/span><\/div>\n
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
Predicting Prerequisite Relations for Unseen Concepts<\/strong><\/a><\/div>\n
Yaxin Zhu and Hamed Zamani<\/em><\/div>\n
In Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing (EMNLP ’22)
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
You Can’t Pick Your Neighbors, or Can You? When and How to Rely on Retrieval in the KNN-LM<\/strong><\/a><\/div>\n
Andrew Drozdov, Shufan Wang, Razieh Rahimi, Andrew McCallum, Hamed Zamani<\/em>, Mohit Iyyer<\/div>\n
In Findings of the 2022 Conference on Empirical Methods in Natural Language Processing (EMNLP ’22 Findings)
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
\n
Multi-Task Retrieval-Augmented Text Generation with Relevance Sampling
<\/b>Sebastian Hofst\u00e4tter, Jiecao Chen, Karthik Raman, Hamed Zamani<\/em>
<\/span>In Proceedings of the ICML 2022 Workshop on Knowledge Retrieval and Language Models (KRLM @ ICML ’22)<\/em><\/span><\/div>\n
[Preprint<\/a>]<\/div>\n<\/div>\n
\u00a0<\/div>\n
Maruna Bot: An Extensible Retrieval-Focused Framework for Task-Oriented Dialogues<\/a>
<\/b>Amit Hattimare, Arkin Dharawat, Yelman Khan, Yen-Chieh Lien, Chris Samarinas, George Z. Wei, Yulin Yang, Hamed Zamani<\/em>
<\/span>In Proceedings of the First Alexa Prize TaskBot Challenge (Alexa Prize ’22)<\/em><\/span><\/div>\n
[Preprint<\/a>] [CICS News<\/a>]\u00a0<\/div>\n
\u00a0<\/div>\n
\n
Are We There Yet? A Decision Framework for Replacing Term-Based Retrieval with Dense Retrieval Systems<\/strong><\/div>\n
Sebastian Hofst\u00e4tter, Nick Craswell, Bhaskar Mitra, Hamed Zamani, <\/em>Allan Hanbury<\/span><\/div>\n
arxiv, 2022<\/i>\u00a0(preprint)
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\n
\u00a0<\/div>\n<\/header>\n
\n

\u00a02021\u00a0<\/span><\/h1>\n<\/div>\n
Conversational Search and Recommendation: Introduction to the Special Issue<\/a>
<\/span><\/strong>Claudia Hauff, Julia Kiseleva, Mark Sanderson,\u00a0Hamed Zamani<\/em>, and Yongfeng Zhang
<\/span>ACM Transactions on Information Systems,\u00a0<\/em>2021 (TOIS)
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Context-Aware Target Apps Selection and Recommendation for Enhancing Personal Mobile Assistants<\/a>
<\/span><\/strong>Mohammad Aliannejadi, Hamed Zamani<\/em>, Fabio Crestani, and W. Bruce Croft
<\/span>ACM Transactions on Information Systems,\u00a0<\/em>2021 (TOIS)
<\/span>[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
A Flexible Framework for Evaluating User and Item Fairness in Recommender Systems<\/a>
<\/span><\/strong>Yashar Deldjoo, Vito Walter Anelli,\u00a0Hamed Zamani<\/em>, Alejandro Bellogin, and Tommaso Di Noia
<\/span>User Modeling and User-Adapted Interaction,\u00a0<\/em>2021 (UMUAI)
<\/span>[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Generalizing Discriminative Retrieval Models using Generative Tasks<\/a>
<\/span><\/strong>Binsheng Liu,\u00a0Hamed Zamani<\/em>, Xiaolu Lu, and J. Shane Culpepper
<\/span>In Proceedings of the 30th International Conference on World Wide Web,\u00a0<\/em>2021 (WWW \u201921)
<\/span>[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Intra-Document Cascading: Learning to Select Passages for Neural Document Ranking<\/a>
<\/span><\/strong>Sebastian Hofst\u00e4tter, Bhaskar Mitra,\u00a0Hamed Zamani<\/em>, Nick Craswell, and Allan Hanbury
<\/span>In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2021 (SIGIR \u201921)
<\/span>[Preprint<\/a>]<\/span><\/div>\n

Towards Multi-Modal Conversational Information Seeking<\/a><\/strong>
<\/span>Yashar Deldjoo, Johanne R. Trippas, and\u00a0Hamed Zamani
<\/em><\/span>In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2021 (SIGIR \u201921)
<\/span>[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Current Challenges and Future Directions in Podcast Information Access<\/a>
<\/span><\/strong>Rosie Jones*,\u00a0Hamed Zamani*<\/em>, Markus Schedl, Ching-Wei Chen, Sravana Reddy, Ann Clifton, Jussi Karlgren, Helia Hashemi, Aasish Pappu, Zahra Nazari, Longqi Yang, Oguz Semerci, Hugues Bouchard, and Ben Carterette
<\/span>In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2021 (SIGIR \u201921)
<\/span>[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Learning Robust Dense Retrieval Models from Incomplete Relevance Labels<\/a><\/span><\/strong><\/div>\n
Prafull Prakash, Julian Killingback, and\u00a0Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2021 (SIGIR \u201921)<\/span><\/div>\n
[Preprint<\/a>] [Code<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Passage Retrieval for Outside-Knowledge Visual Question Answering<\/a><\/span><\/strong><\/div>\n
Chen Qu,\u00a0Hamed Zamani<\/em>, Liu Yang, W. Bruce Croft, and Erik Learned-Miller<\/span><\/div>\n
In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2021 (SIGIR \u201921)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Improving Transformer-Kernel Ranking Model Using Conformer and Query Term Independence<\/a><\/span><\/strong><\/div>\n
Bhaskar Mitra, Sebastian Hofst\u00e4tter,\u00a0Hamed Zamani<\/em>, and Nick Craswell<\/span><\/div>\n
In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2021 (SIGIR \u201921)<\/span><\/div>\n
[Preprint<\/a>] [Code<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Learning Multiple Intent Representations for Search Queries<\/a><\/span><\/strong><\/div>\n
\n
Helia Hashemi, Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 30th ACM International on Conference on Information and Knowledge Management, <\/em>2021 (CIKM \u201921)
[Preprint<\/a>]<\/span>
<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
Analyzing Mixed Initiatives and Search Strategies during Conversational Search<\/a><\/span><\/strong><\/div>\n
\n
Mohammad Aliannejadi, Leif Azzopardi, Hamed Zamani<\/em>, Evangelos Kanoulas, Paul Thomas and Nick Craswell<\/span><\/div>\n
In Proceedings of the 30th ACM International on Conference on Information and Knowledge Management, <\/em>2021 (CIKM \u201921)
[Preprint<\/a>]<\/span>
<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
Tip of the Tongue Known-Item Retrieval: A Case Study in Movie Identification<\/a><\/span><\/strong><\/div>\n
Jaime Arguello, Adam Ferguson, Emery Fine, Bhaskar Mitra,\u00a0Hamed Zamani<\/em>, and Fernando Diaz<\/span><\/div>\n
In Proceedings of the Sixth ACM SIGIR Conference on Human Information Interaction and Retrieval,\u00a0<\/em>2021 (CHIIR \u201921)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Towards System-Initiative Conversational Information Seeking<\/a><\/span><\/strong><\/div>\n
Somin Wadhwa and Hamed Zamani
<\/em>In Proceedings of the Second International Conference on Design of Experimental Search and Information Retrieval Systems, <\/em>2021 (DESIRES \u201921)
[Preprint<\/a>]<\/div>\n
\u00a0<\/div>\n
CSFCube\u2013A Test Collection of Computer Science Research Articles for Faceted Query by Example<\/span><\/strong><\/a><\/div>\n
Sheshera Mysore, Tim O\u2019Gorman, Andrew McCallum, and\u00a0Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 35th Conference on Neural Information Processing Systems, 2021<\/i> (NeurIPS ’21) – Datasets and Benchmarks Track<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
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Explaining Documents’ Relevance to Search Queries<\/strong><\/div>\n
Razieh Rahimi, Youngwoo Kim, Hamed Zamani,\u00a0<\/em>James Allan<\/span><\/div>\n
arxiv, 2021<\/i> (preprint)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n<\/div>\n
\u00a0<\/div>\n
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\u00a02020\u00a0<\/span><\/h1>\n<\/div>\n
A Deep Look into Neural Ranking Models for Information Retrieval<\/a><\/span><\/strong><\/div>\n
Jiafeng Guo, Yixing Fan, Liang Pang, Liu Yang, Qingyao Ai,\u00a0Hamed Zamani<\/em>, Chen Wu, W. Bruce Croft, and Xueqi Cheng<\/span><\/div>\n
Information Processing & Management,\u00a0<\/em>2020 (IP&M)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Generating Clarifying Questions for Information Retrieval<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Susan Dumais, Nick Craswell, Paul Bennett, and Gord Lueck<\/span><\/div>\n
In Proceedings of the 29th International Conference on World Wide Web,\u00a0<\/em>2020 (WWW \u201920)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Learning a Joint Search and Recommendation Model from User-Item Interactions<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 13th ACM International Conference on Web Search and Data Mining,\u00a0<\/em>2020 (WSDM \u201920)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Analyzing and Learning from User Interactions for Search Clarification<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Bhaskar Mitra, Everest Chen, Gord Lueck, Fernando Diaz, Paul Bennett, Nick Craswell, and Susan Dumais<\/span><\/div>\n
In Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2020 (SIGIR \u201920)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Guided Transformer: Leveraging Multiple External Sources for Representation Learning in Conversational Search<\/a><\/span><\/strong><\/div>\n
Helia Hashemi,\u00a0Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2020 (SIGIR \u201920)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n

A Reinforcement Learning Framework for Relevance Feedback<\/a><\/strong><\/span><\/div>\n
Ali Montazeralghaem,\u00a0Hamed Zamani<\/em>, and James Allan
<\/span>In Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2020 (SIGIR \u201920)<\/span><\/div>\n
\u00a0<\/div>\n
Macaw: An Extensible Conversational Information Seeking Platform<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and Nick Craswell
<\/span>In Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2020 (SIGIR \u201920)<\/span><\/div>\n
[Preprint<\/a>] [Code<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Local Self-Attention over Long Text for Efficient Document Retrieval<\/a><\/span><\/strong><\/div>\n
Sebastian Hofst\u00e4tter,\u00a0Hamed Zamani<\/em>, Bhaskar Mitra, Nick Craswell, and Allan Hanbury
<\/span>In Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2020 (SIGIR \u201920)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Recipe Retrieval with Visual Query of Ingredients<\/a><\/span><\/strong><\/div>\n
Yen-Chieh Lien,\u00a0Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2020 (SIGIR \u201920)<\/span><\/div>\n

\"\"<\/a>MIMICS: A Large-Scale Data Collection for Search Clarification<\/a><\/strong><\/span><\/div>\n
Hamed Zamani<\/em>, Gord Lueck, Everest Chen, Rodolfo Quispe, Flint Luu, and Nick Craswell<\/span><\/div>\n
In Proceedings of the 29th ACM International on Conference on Information and Knowledge Management,\u00a0<\/em>2020 (CIKM \u201920)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]\u00a0[Best Paper Award – Resource Track]<\/b><\/span><\/div>\n
\u00a0<\/div>\n
ANTIQUE: A Non-Factoid Question Answering Benchmark<\/a><\/span><\/strong><\/div>\n
Helia Hashemi, Mohammad Aliannejadi,\u00a0Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 42nd European Conference on Information Retrieval,\u00a0<\/em>2020 (ECIR \u201920)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Conformer-Kernel with Query Term Independence at TREC 2020 Deep Learning Track<\/a><\/span><\/strong><\/div>\n
Bhaskar Mitra, Sebastian Hofst\u00e4tter,\u00a0Hamed Zamani<\/em>, and Nick Craswell<\/span><\/div>\n
In Proceedings of the 2020 Text REtrieval Conference,\u00a0<\/em>2020 (TREC \u201920)<\/span><\/div>\n
[Code<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Common Conversational Community Prototype: Scholarly Conversational Assistant<\/span><\/strong><\/div>\n
Krisztian Balog, Lucie Flekova, Matthias Hagen, Rosie Jones, Martin Potthast, Filip Radlinski, Mark Sanderson, Svitlana Vakulenko, and\u00a0Hamed Zamani<\/em><\/span><\/div>\n
arxiv,\u00a0<\/em>2020 (preprint)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
\n

\u00a02019\u00a0<\/span><\/h1>\n<\/div>\n
\"\"<\/a>Neural Models for Information Retrieval without Labaled Data<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em><\/span><\/div>\n
University of Massachusetts Amherst,\u00a0<\/em>2019 (Ph.D. Dissertation)<\/span><\/div>\n
[Preprint<\/a>]\u00a0[UMass CICS Outstanding Dissertation Award]<\/b><\/span><\/div>\n
\u00a0<\/div>\n
An Analysis of Approaches Taken in the ACM RecSys Challenge 2018 for Automatic Music Playlist Continuation<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Markus Schedl, Paul Lamere, and Ching-Wei Chen<\/span><\/div>\n
ACM Transactions on Intelligent Systems and Technology,\u00a0<\/em>2019 (TIST)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Asking Clarifying Questions in Open-Domain Information Seeking Conversations<\/a><\/span><\/strong><\/div>\n
Mohammad Aliannejadi,\u00a0Hamed Zamani<\/em>, Fabio Crestani, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2019 (SIGIR \u201919)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Analyzing and Predicting News Popularity in an Instant Messaging Service<\/a><\/span><\/strong><\/div>\n
Mohammad Naseri, and\u00a0Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2019 (SIGIR \u201919)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n

\"\"<\/a><\/strong>Performance Prediction for Non-Factoid Question Answering<\/a><\/strong><\/span><\/div>\n
Helia Hashemi,\u00a0Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 2019 ACM International Conference on the Theory of Information Retrieval,\u00a0<\/em>2019 (ICTIR \u201919)<\/span><\/div>\n
[Preprint<\/a>]\u00a0[Best Short Paper Honorable Mention]<\/b><\/span><\/div>\n
\u00a0<\/div>\n
\"\"<\/a>Multi-Step Entity-Centric Information Retrieval for Multi-Hop Question Answering<\/a><\/span><\/strong><\/div>\n
Rajarshi Das, Ameya Godbole, Dilip Kavarthapu, Zhiyu Gong, Abhishek Singhal, Mo Yu, Xiaoxiao Guo, Tian Gao,\u00a0Hamed Zamani<\/em>, Manzil Zaheer, and Andrew McCallum<\/span><\/div>\n
In Proceedings of the EMNLP 2019 Workshop on Machine Reading for Question Answering,\u00a0<\/em>2019 (MRQA @ EMNLP \u201919)<\/span><\/div>\n
[Best Paper Award]<\/b><\/span><\/div>\n
\u00a0<\/div>\n
Recommender Systems Fairness Evaluation via Generalized Cross Entropy<\/a><\/span><\/strong><\/div>\n
Yashar Deldjoo, Vito Walter Anelli,\u00a0Hamed Zamani<\/em>, Alejandro Bellogin, and Tommaso Di Noia<\/span><\/div>\n
In Proceedings of the 2019 ACM RecSys Workshop on Recommendation in Multistakeholder Environments,\u00a0<\/em>2019 (RMSE @ RecSys \u201919)<\/span><\/div>\n
\u00a0<\/div>\n
Investigating the Successes and Failures of BERT for Passage Re-Ranking<\/a><\/span><\/strong><\/div>\n
Harshith Padigela,\u00a0Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
arxiv,\u00a0<\/em>2019 (preprint)<\/span><\/div>\n
\u00a0<\/div>\n
\n

\u00a02018\u00a0<\/span><\/h1>\n<\/div>\n
SIGIR Workshop on Learning from Limited or Noisy Data for Information Retrieval (LND4IR)<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Mostafa Dehghani, Fernando Diaz, Hang Li, and Nick Craswell<\/span><\/div>\n
In Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2018 (SIGIR \u201918)<\/span><\/div>\n
\u00a0<\/div>\n
RecSys Challenge 2018: Automatic Music Playlist Continuation<\/a><\/span><\/strong><\/div>\n
Ching-Wei Chen, Paul Lamere, Markus Schedl, and\u00a0Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 12th ACM Conference on Recommender Systems,\u00a0<\/em>2018 (RecSys \u201918)<\/span><\/div>\n
\u00a0<\/div>\n
A Language Model-based Framework for Multi-publisher Content-based Recommender Systems<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
Information Retrieval Journal,\u00a0<\/em>2018 (IRJ)<\/span><\/div>\n
\u00a0<\/div>\n
PERSON: Personalized Information Retrieval Evaluation Based on Citation Networks<\/a><\/span><\/strong><\/div>\n
Shayan A. Tabrizi, Azadeh Shakery,\u00a0Hamed Zamani<\/em>, and Mohammad Ali Tavallaei<\/span><\/div>\n
Information Processing & Management,\u00a0<\/em>2018 (IP&M)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Current Challenges and Visions in Music Recommender Systems Research<\/a><\/span><\/strong><\/div>\n
Markus Schedl,\u00a0Hamed Zamani<\/em>, Ching-Wei Chen, Yashar Deldjoo, and Mehdi Elahi<\/span><\/div>\n
International Journal of Multimedia Information Retrieval,\u00a0<\/em>2018 (IJMIR)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Neural Ranking Models with Multiple Document Fields<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Bhaskar Mitra, Xia Song, Nick Craswell, and Saurabh Tiwary<\/span><\/div>\n
In Proceedings of the 11th ACM International Conference on Web Search and Data Mining,\u00a0<\/em>2018 (WSDM \u201918)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Neural Query Performance Prediction using Weak Supervision from Multiple Signals<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, W. Bruce Croft, and J. Shane Culpepper<\/span><\/div>\n
In Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2018 (SIGIR \u201918)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Target Apps Selection: Towards a Unified Search Framework for Mobile Devices<\/a><\/span><\/strong><\/div>\n
Mohammad Aliannejadi,\u00a0Hamed Zamani<\/em>, Fabio Crestani, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2018 (SIGIR \u201918)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Universal Approximation Functions for Fast Learning to Rank<\/a><\/span><\/strong><\/div>\n
Daniel Cohen, John Foley,\u00a0Hamed Zamani<\/em>, James Allan, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2018 (SIGIR \u201918)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Citation Worthiness of Sentences in Scientific Reports<\/a><\/span><\/strong><\/div>\n
Hamed Bonab,\u00a0Hamed Zamani<\/em>, Erik Learned-Miller, and James Allan<\/span>In Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2018 (SIGIR \u201918)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Theoretical Analysis of Interdependent Constraints in Pseudo-Relevance Feedback<\/a><\/span><\/strong><\/div>\n
Ali Montazeralghaem,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2018 (SIGIR \u201918)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
From Neural Re-Ranking to Neural Ranking: Learning a Sparse Representation for Inverted Indexing<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Mostafa Dehghani, W. Bruce Croft, Erik Learned-Miller, and Jaap Kamps<\/span><\/div>\n
In Proceedings of the 27th ACM International on Conference on Information and Knowledge Management,\u00a0<\/em>2018 (CIKM \u201918)<\/span><\/div>\n
[Preprint<\/a>] [Code<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
In Situ and Context-Aware Target Apps Selection for Unified Mobile Search<\/a><\/span><\/strong><\/div>\n
Mohammad Aliannejadi,\u00a0Hamed Zamani<\/em>, Fabio Crestani, and W. Bruce Croft<\/span>In Proceedings of the 27th ACM International on Conference on Information and Knowledge Management,\u00a0<\/em>2018 (CIKM \u201918)<\/span><\/div>\n
[Preprint<\/a>] [Data<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
On the Theory of Weak Supervision for Information Retrieval<\/a><\/span><\/strong><\/div>\n
\\Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 2018 ACM International Conference on the Theory of Information Retrieval,\u00a0<\/em>2018 (ICTIR \u201918)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Joint Modeling and Optimization of Search and Recommendation<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the First International Conference on Design of Experimental Search and Information Retrieval Systems,\u00a0<\/em>2018 (DESIRES \u201918)<\/span><\/div>\n
\u00a0<\/div>\n
Towards a Unified Supervised Approach for Ranking Triples of Type-like Relations<\/a><\/span><\/strong><\/div>\n
Mahsa S. Shahshahani, Faegheh Hasibi,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 40th European Conference on Information Retrieval,\u00a0<\/em>2018 (ECIR \u201918)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Towards Theoretical Understanding of Weak Supervision for Information Retrieval<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the SIGIR 2018 Workshop on Learning From Limited or Noisy Data for Information Retrieval,\u00a0<\/em>2018 (LND4IR \u201918)<\/span><\/div>\n
\u00a0<\/div>\n
\n

\u00a02017\u00a0<\/span><\/h1>\n<\/div>\n
An Expectation-Maximization Algorithm for Query Translation Based on Pseudo-Relevant Documents<\/a><\/span><\/strong><\/div>\n
Javid Dadashkarimi, Azadeh Shakery, Heshaam Faili, and\u00a0Hamed Zamani<\/em><\/span><\/div>\n
Information Processing & Management,\u00a0<\/em>2017 (IP&M)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Situational Context for Ranking in Personal Search<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Michael Bendersky, Xuanhui Wang, and Mingyang Zhang<\/span><\/div>\n
In Proceedings of the 26th International Conference on World Wide Web,\u00a0<\/em>2017 (WWW \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Relevance-based Word Embedding<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2017 (SIGIR \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Neural Ranking Models with Weak Supervision<\/a><\/span><\/strong><\/div>\n
Mostafa Dehghani,\u00a0Hamed Zamani<\/em>, Aliaksei Severyn, Jaap Kamps, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2017 (SIGIR \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Term Proximity Constraints for Pseudo-Relevance Feedback<\/a><\/span><\/strong><\/div>\n
Ali Montazeralghaem,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2017 (SIGIR \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Improving Retrieval Performance for Verbose Queries via Axiomatic Analysis of Term Discrimination Heuristic<\/a><\/span><\/strong><\/div>\n
Mozhdeh Ariannezhad, Ali Montazeralghaem,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2017 (SIGIR \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Word Embedding Causes Topic Shifting; Exploit Global Context!<\/a><\/span><\/strong><\/div>\n
Navid Rekabsaz, Mihai Lupu, Allan Hanbury, and\u00a0Hamed Zamani<\/em><\/span><\/div>\n
In Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2017 (SIGIR \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
A Semantic-Aware Profile Updating Model for Text Recommendation<\/a><\/span><\/strong><\/div>\n
Hossein Rahmatizadeh Zagheli,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the Eleventh ACM Conference on Recommender Systems,\u00a0<\/em>2017 (RecSys \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Iterative Estimation of Document Relevance Score for Pseudo-Relevance Feedback<\/a><\/span><\/strong><\/div>\n
Mozhdeh Ariannezhad, Ali Montazeralghaem,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 39th European Conference on Information Retrieval,\u00a0<\/em>2017 (ECIR \u201917)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Neural Matching Models for Question Retrieval and Next Question Prediction in Conversation<\/a><\/span><\/strong><\/div>\n
Liu Yang,\u00a0Hamed Zamani<\/em>, Yongfeng Zhang, Jiafeng Guo, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 2017 Workshop on Neural Information Retrieval,\u00a0<\/em>2017 (NeuIR@SIGIR\u00a0\u201917)<\/span><\/div>\n
\u00a0<\/div>\n
UMass at TREC 2017 Common Core Track<\/a><\/span><\/strong><\/div>\n
Qingyao Ai,\u00a0Hamed Zamani<\/em>, Stephen Harding, Shahrzad Naseri, James Allan, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 2017 Text REtrieval Conference,\u00a0<\/em>2017 (TREC \u201917)<\/span><\/div>\n
\u00a0<\/div>\n
\n

\u00a02016\u00a0<\/span><\/h1>\n<\/div>\n
Sentence Alignment Using Local and Global Information<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Heshaam Faili, and Azadeh Shakery<\/span><\/div>\n
Computer Speech & Language,\u00a0<\/em>2016 (CSL)<\/span><\/div>\n
\u00a0<\/div>\n
Pseudo-Relevance Feedback Based on Matrix Factorization<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Javid Dadashkarimi, Azadeh Shakery, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 25th ACM International on Conference on Information and Knowledge Management,\u00a0<\/em>2016 (CIKM \u201916)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Estimating Embedding Vectors for Queries<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 2016 ACM International Conference on the Theory of Information Retrieval,\u00a0<\/em>2016 (ICTIR \u201916)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Embedding-based Query Language Models<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, and W. Bruce Croft<\/span><\/div>\n
In Proceedings of the 2016 ACM International Conference on the Theory of Information Retrieval,\u00a0<\/em>2016 (ICTIR \u201916)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Axiomatic Analysis for Improving the Log-Logistic Feedback Model<\/a><\/span><\/strong><\/div>\n
Ali Montazeralghaem,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 39th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2016 (SIGIR \u201916)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
Cross Domain User Engagement Evaluation<\/a><\/span><\/strong><\/div>\n
Ali Montazeralghaem,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 38th European Conference on Information Retrieval,\u00a0<\/em>2016 (ECIR \u201916)<\/span><\/div>\n
[Preprint<\/a>]<\/span><\/div>\n
\u00a0<\/div>\n
\n

\u00a02015\u00a0<\/span><\/h1>\n<\/div>\n
Recommender Systems in Multi-Publisher Environments<\/span><\/strong><\/div>\n
Hamed Zamani<\/em><\/span><\/div>\n
University of Tehran,\u00a0<\/em>2015 (M.Sc. Thesis)<\/span><\/div>\n
\u00a0<\/div>\n
Adaptive User Engagement Evaluation via Multi-task Learning<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Pooya Moradi, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval,\u00a0<\/em>2015 (SIGIR \u201915)<\/span><\/div>\n
\u00a0<\/div>\n
Multitask Learning for Adaptive Quality Estimation of Automatically Transcribed Utterances<\/a><\/span><\/strong><\/div>\n
Jos\u00e9 G. Souza,\u00a0Hamed Zamani<\/em>, Matteo Negri, Marco Turchi, and Falavigna Daniele<\/span><\/div>\n
In Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies,\u00a0<\/em>2015 (NAACL \u201915)<\/span><\/div>\n
\u00a0<\/div>\n
Reference-free and Confidence-independent Binary Quality Estimation for Automatic Speech Recognition<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Jos\u00e9 G. Souza, Matteo Negri, Marco Turchi, and Falavigna Daniele<\/span><\/div>\n
In Proceedings of the Second Italian Conference on Computational Linguistic,\u00a0<\/em>2015 (CLiC-It \u201915)<\/span><\/div>\n
\u00a0<\/div>\n
\n

\u00a02014\u00a0<\/span><\/h1>\n<\/div>\n
Regression and Learning to Rank Aggregation for User Engagement Evaluation<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Azadeh Shakery, and Pooya Moradi<\/span><\/div>\n
In Proceedings of the 2014 Recommender Systems Challenge,\u00a0<\/em>2014 (RecSysChallenge \u201914)<\/span><\/div>\n
\u00a0<\/div>\n
Authorship Identification Using Dynamic Selection of Features from Probabilistic Feature Set<\/a><\/span><\/strong><\/div>\n
Hamed Zamani<\/em>, Hossein Nasr Esfahani, Pariya Babaie, Samira Abnar, Mostafa Dehghani, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of Information Access Evaluation. Multilinguality, Multimodality, and Interaction – 5th International Conference of the CLEF Initiative,\u00a0<\/em>2014 (CLEF \u201914)<\/span><\/div>\n
\u00a0<\/div>\n
Expanded N-Grams for Semantic Text Alignment<\/a><\/span><\/strong><\/div>\n
Samira Abnar, Mostafa Dehghani,\u00a0Hamed Zamani<\/em>, and Azadeh Shakery<\/span><\/div>\n
In Proceedings of the CLEF 2014 Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse,\u00a0<\/em>2014 (PAN \u201914)<\/span><\/div>\n\n","protected":false},"excerpt":{"rendered":"

Publications in reversed chronological order. dblp,\u00a0Google Scholar \u00a02026\u00a0 Beyond a Million Tokens: Benchmarking and Enhancing Long-Term Memory in LLMs Mohammad Tavakoli, Alireza Salemi, Carrie Ye, Mohamed Abdalla, Hamed Zamani, J. Ross MitchellIn Proceedings of the 14th International Conference on Learning Representations, 2026 (ICLR ’26) [Preprint] \u00a0 Pathways of Thoughts: Multi-Directional Thinking for Long-form Personalized Question … Continue reading “Publications”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-16","page","type-page","status-publish","hentry","hfeed"],"_links":{"self":[{"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/pages\/16","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/comments?post=16"}],"version-history":[{"count":183,"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/pages\/16\/revisions"}],"predecessor-version":[{"id":899,"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/pages\/16\/revisions\/899"}],"wp:attachment":[{"href":"https:\/\/groups.cs.umass.edu\/zamani\/wp-json\/wp\/v2\/media?parent=16"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}