Hamed Zamani

2026

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Can Instructed Retrieval Models Really Support Exploration?
Piyush Maheshwari|Sheshera Mysore|Hamed Zamani
Proceedings of the 2026 Conference on Human Information Interaction and Retrieval, CHIIR 2026, Seattle, WA, USA, March 22-26, 2026
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Inferential Question Answering.
Jamshid Mozafari|Hamed Zamani|Guido Zuccon|Adam Jatowt
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.
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Pathways of Thoughts: Multi-Directional Thinking for Long-form Personalized Question Answering.
Alireza Salemi|Cheng Li|Mingyang Zhang|Qiaozhu Mei|Zhuowan Li|Spurthi Amba Hombaiah|Weize Kong|Tao Chen|Hamed Zamani|Michael Bendersky
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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Proceedings of the 2025 International ACM SIGIR Conference on Innovative Concepts and Theories in Information Retrieval, ICTIR 2025, Padua, Italy, 18 July 2025
International Conference on the Theory of Information Retrieval (ICTIR) 2025
doi dblp
Online and Offline Evaluation in Search Clarification.
Leila Tavakoli|Johanne R. Trippas|Hamed Zamani|Falk Scholer|Mark Sanderson
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1
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Report from the 4th Strategic Workshop on Information Retrieval in Lorne (SWIRL 2025).
Johanne R. Trippas|J. Shane Culpepper|Mohammad Aliannejadi|James Allan|Enrique Amigó|Jaime Arguello|Leif Azzopardi|Peter Bailey|Jamie Callan|Rob Capra|Nick Craswell|W. Bruce Croft|Jeff Dalton|Gianluca Demartini|Laura Dietz|Zhicheng Dou|Carsten Eickhoff|Michael D. Ekstrand|Nicola Ferro|Norbert Fuhr|Dorota Glowacka|Faegheh Hasibi|Danula Hettiachchi|Rosie Jones|Jaap Kamps|Noriko Kando|Sarvnaz Karimi|Makoto P. Kato|Bevan Koopman|Yiqun Liu|Chenglong Ma|Joel Mackenzie|Maria Maistro|Jiaxin Mao|Dana McKay|Bhaskar Mitra|Stefano Mizzaro|Alistair Moffat|Josiane Mothe|Iadh Ounis|Lida Rashidi|Yongli Ren|Mark Sanderson|Rodrygo L. T. Santos|Falk Scholer|Chirag Shah|Laurianne Sitbon|Ian Soboroff|Damiano Spina|Paul Thomas|Julián Urbano|Arjen P. de Vries|Ryen White|Abby Yuan|Hamed Zamani|Oleg Zendel|Min Zhang|Shengyao Zhuang|Justin Zobel|Guido Zuccon
SIGIR Forum 2025 Volume 59 Issue 1
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Pre-Trained Models for Search and Recommendation: Introduction to the Special Issue - Part 1.
Wenjie Wang|Zheng Liu|Fuli Feng|Zhicheng Dou|Qingyao Ai|Grace Hui Yang|Defu Lian|Lu Hou|Aixin Sun|Hamed Zamani|Donald Metzler|Maarten de Rijke
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2
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Pre-Trained Models for Search and Recommendation: Introduction to the Special Issue - Part 2.
Wenjie Wang|Zheng Liu|Fuli Feng|Zhicheng Dou|Qingyao Ai|Grace Hui Yang|Defu Lian|Lu Hou|Aixin Sun|Hamed Zamani|Donald Metzler|Maarten de Rijke
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 5
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ProActLLM: Proactive Conversational Information Seeking with Large Language Models.
Shubham Chatterjee|Xi Wang|Shuo Zhang|Sajad Ebrahimi|Zhaochun Ren|Debasis Ganguly|Gareth J. F. Jones|Emine Yilmaz|Hamed Zamani
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Learning to Rank for Multiple Retrieval-Augmented Models through Iterative Utility Maximization.
Alireza Salemi|Hamed Zamani
Proceedings of the 2025 International ACM SIGIR Conference on Innovative Concepts and Theories in Information Retrieval, ICTIR 2025, Padua, Italy, 18 July 2025
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Comparing Retrieval-Augmentation and Parameter-Efficient Fine-Tuning for Privacy-Preserving Personalization of Large Language Models.
Alireza Salemi|Hamed Zamani
Proceedings of the 2025 International ACM SIGIR Conference on Innovative Concepts and Theories in Information Retrieval, ICTIR 2025, Padua, Italy, 18 July 2025
doi dblp
Distillation and Refinement of Reasoning in Small Language Models for Document Re-ranking.
Chris Samarinas|Hamed Zamani
Proceedings of the 2025 International ACM SIGIR Conference on Innovative Concepts and Theories in Information Retrieval, ICTIR 2025, Padua, Italy, 18 July 2025
doi dblp
Reliable Annotations with Less Effort: Evaluating LLM-Human Collaboration in Search Clarifications.
Leila Tavakoli|Hamed Zamani
Proceedings of the 2025 International ACM SIGIR Conference on Innovative Concepts and Theories in Information Retrieval, ICTIR 2025, Padua, Italy, 18 July 2025
doi dblp
The Second Tutorial on Retrieval-Enhanced Machine Learning: Synthesis and Opportunities.
Fernando Diaz|Andrew Drozdov|To Eun Kim|Alireza Salemi|Hamed Zamani
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Hypencoder: Hypernetworks for Information Retrieval.
Julian Killingback|Hansi Zeng|Hamed Zamani
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Bridging Personalization and Control in Scientific Personalized Search.
Sheshera Mysore|Garima Dhanania|Kishor Patil|Surya Kallumadi|Andrew McCallum|Hamed Zamani
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Scaling Sparse and Dense Retrieval in Decoder-Only LLMs.
Hansi Zeng|Julian Killingback|Hamed Zamani
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

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Special Issue on Conversational Information Seeking.
Wenqiang Lei|Richang Hong|Hamed Zamani|Pawel Budzianowski|Vanessa Murdock|Emine Yilmaz
ACM Transactions on the Web 2024 Volume 18 Issue 4
doi dblp
Generalized Weak Supervision for Neural Information Retrieval.
Yen-Chieh Lien|Hamed Zamani|W. Bruce Croft
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 5
doi dblp
The Second Workshop on Large Language Models for Individuals, Groups, and Society.
Michael Bendersky|Cheng Li|Qiaozhu Mei|Vanessa Murdock|Jie Tang|Hongning Wang|Hamed Zamani|Mingyang Zhang|Xingjian Zhang
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Third Workshop on Personalization and Recommendations in Search (PaRiS).
Sudarshan Lamkhede|Hamed Zamani|Moumita Bhattacharya|Hongning Wang
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Optimization Methods for Personalizing Large Language Models through Retrieval Augmentation.
Alireza Salemi|Surya Kallumadi|Hamed Zamani
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Towards a Search Engine for Machines: Unified Ranking for Multiple Retrieval-Augmented Large Language Models.
Alireza Salemi|Hamed Zamani
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Evaluating Retrieval Quality in Retrieval-Augmented Generation.
Alireza Salemi|Hamed Zamani
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
ProCIS: A Benchmark for Proactive Retrieval in Conversations.
Chris Samarinas|Hamed Zamani
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Stochastic RAG: End-to-End Retrieval-Augmented Generation through Expected Utility Maximization.
Hamed Zamani|Michael Bendersky
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Planning Ahead in Generative Retrieval: Guiding Autoregressive Generation through Simultaneous Decoding.
Hansi Zeng|Chen Luo|Hamed Zamani
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
WSDM 2024 Workshop on Large Language Models for Individuals, Groups, and Society.
Michael Bendersky|Cheng Li|Qiaozhu Mei|Vanessa Murdock|Jie Tang|Hongning Wang|Hamed Zamani|Mingyang Zhang
Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024
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The 3rd International Workshop on Interactive and Scalable Information Retrieval Methods for eCommerce (ISIR-eCom 2024).
Vachik S. Dave|Linsey Pang|Xiquan Cui|Chen Luo|Hamed Zamani|Lingfei Wu|George Karypis
Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024
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Scalable and Effective Generative Information Retrieval.
Hansi Zeng|Chen Luo|Bowen Jin|Sheikh Muhammad Sarwar|Tianxin Wei|Hamed Zamani
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

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Conversational Information Seeking.
Hamed Zamani|Johanne R. Trippas|Jeff Dalton|Filip Radlinski
Foundations and Trends in Information Retrieval 2023 Volume 17 Issue 3-4
doi dblp
Pre-Training Multi-Modal Dense Retrievers for Outside-Knowledge Visual Question Answering.
Alireza Salemi|Mahta Rafiee|Hamed Zamani
Proceedings of the 2023 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2023, Taipei, Taiwan, 23 July 2023
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SIGIR 2023 Workshop on Retrieval Enhanced Machine Learning (REML @ SIGIR 2023).
Michael Bendersky|Danqi Chen|Fernando Diaz|Hamed Zamani
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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FiD-Light: Efficient and Effective Retrieval-Augmented Text Generation.
Sebastian Hofstätter|Jiecao Chen|Karthik Raman|Hamed Zamani
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
Soft Prompt Decoding for Multilingual Dense Retrieval.
Zhiqi Huang|Hansi Zeng|Hamed Zamani|James Allan
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
Editable User Profiles for Controllable Text Recommendations.
Sheshera Mysore|Mahmood Jasim|Andrew McCallum|Hamed Zamani
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
A Symmetric Dual Encoding Dense Retrieval Framework for Knowledge-Intensive Visual Question Answering.
Alireza Salemi|Juan Altmayer Pizzorno|Hamed Zamani
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
Multivariate Representation Learning for Information Retrieval.
Hamed Zamani|Michael Bendersky
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
A Personalized Dense Retrieval Framework for Unified Information Access.
Hansi Zeng|Surya Kallumadi|Zaid Alibadi|Rodrigo Nogueira|Hamed Zamani
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
doi dblp
The 2nd Workshop on Interactive and Scalable Information Retrieval Methods for eCommerce (ISIR-eCom).
Vachik S. Dave|Linsey Pang|Xiquan Cui|Lingfei Wu|Hamed Zamani|George Karypis
Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023
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Tutorials at The Web Conference 2023.
Quan Z. Sheng|Yu Zhang|Valeria Fionda|Olaf Hartig|Reyhaneh Abdolazimi|Sihem Amer-Yahia|Hongzhi Chen|Xiao Chen|Peng Cui|Jeffrey Dalton|Xin Luna Dong|Lisette Espín-Noboa|Wenqi Fan|Manuela Fritz|Quan Gan|Jingtong Gao|Xiaojie Guo|Torsten Hahmann|Jiawei Han|Soyeon Caren Han|Estevam Hruschka|Liang Hu|Jiaxin Huang|Utkarshani Jaimini|Olivier Jeunen|Yushan Jiang|Fariba Karimi|George Karypis|Krishnaram Kenthapadi|Himabindu Lakkaraju|Hady W. Lauw|Thai Le|Trung-Hoang Le|Dongwon Lee|Geon Lee|Liat Levontin|Cheng-Te Li|Haoyang Li|Ying Li|Jay Chiehen Liao|Qidong Liu|Usha Lokala|Ben London|Siqu Long|Hande Küçük-McGinty|Yu Meng|Seungwhan Moon|Usman Naseem|Pradeep Natarajan|Behrooz Omidvar-Tehrani|Zijie Pan|Devesh Parekh|Jian Pei|Tiago Peixoto|Steven Pemberton|Josiah Poon|Filip Radlinski|Federico Rossetto|Kaushik Roy|Aghiles Salah|Mehrnoosh Sameki|Amit P. Sheth|Cogan Shimizu|Kijung Shin|Dongjin Song|Julia Stoyanovich|Dacheng Tao|Johanne R. Trippas|Quoc Truong|Yu-Che Tsai|Adaku Uchendu|Bram van den Akker|Lin Wang|Minjie Wang|Shoujin Wang|Xin Wang|Ingmar Weber|Henry Weld|Lingfei Wu|Da Xu|Yifan Ethan Xu|Shuyuan Xu|Bo Yang|Ke Yang|Elad Yom-Tov|Jaemin Yoo|Zhou Yu|Reza Zafarani|Hamed Zamani|Meike Zehlike|Qi Zhang|Xikun Zhang|Yongfeng Zhang|Quan Z. Sheng|Yu Zhang|Zheng Zhang|Liang Zhao|Xiangyu Zhao|Wenwu Zhu
Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Analyzing clarification in asynchronous information-seeking conversations.
Leila Tavakoli|Hamed Zamani|Falk Scholer|William Bruce Croft|Mark Sanderson
Journal of the Association for Information Science and Technology (JASIST) 2022 Volume 73 Issue 3
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Stochastic Optimization of Text Set Generation for Learning Multiple Query Intent Representations.
Helia Hashemi|Hamed Zamani|W. Bruce Croft
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Towards Mixed-Initiative Conversational Information Seeking.
Hamed Zamani
Proceedings of the CIKM 2022 Workshops co-located with 31st ACM International Conference on Information and Knowledge Management (CIKM 2022), Atlanta, USA, October 17-21, 2022.
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Revisiting Open Domain Query Facet Extraction and Generation.
Chris Samarinas|Arkin Dharawat|Hamed Zamani
ICTIR '22: The 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, Madrid, Spain, July 11 - 12, 2022
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Stochastic Retrieval-Conditioned Reranking.
Hamed Zamani|Michael Bendersky|Donald Metzler|Honglei Zhuang|Xuanhui Wang
ICTIR '22: The 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, Madrid, Spain, July 11 - 12, 2022
doi dblp
Conversational Information Seeking: Theory and Application.
Jeffrey Dalton|Sophie Fischer|Paul Owoicho|Filip Radlinski|Federico Rossetto|Johanne R. Trippas|Hamed Zamani
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
doi dblp
MIMICS-Duo: Offline & Online Evaluation of Search Clarification.
Leila Tavakoli|Johanne R. Trippas|Hamed Zamani|Falk Scholer|Mark Sanderson
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
doi dblp
Retrieval-Enhanced Machine Learning.
Hamed Zamani|Fernando Diaz|Mostafa Dehghani|Donald Metzler|Michael Bendersky
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
doi dblp
Curriculum Learning for Dense Retrieval Distillation.
Hansi Zeng|Hamed Zamani|Vishwa Vinay
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

doi dblp
Context-aware Target Apps Selection and Recommendation for Enhancing Personal Mobile Assistants.
Mohammad Aliannejadi|Hamed Zamani|Fabio Crestani|W. Bruce Croft
ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 3
doi dblp
Conversational Search and Recommendation: Introduction to the Special Issue.
Claudia Hauff|Julia Kiseleva|Mark Sanderson|Hamed Zamani|Yongfeng Zhang
ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 4
doi dblp
Tip of the Tongue Known-Item Retrieval: A Case Study in Movie Identification.
Jaime Arguello|Adam Ferguson|Emery Fine|Bhaskar Mitra|Hamed Zamani|Fernando Diaz
CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, Canberra, ACT, Australia, March 14-19, 2021
doi dblp
Analysing Mixed Initiatives and Search Strategies during Conversational Search.
Mohammad Aliannejadi|Leif Azzopardi|Hamed Zamani|Evangelos Kanoulas|Paul Thomas|Nick Craswell
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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Learning Multiple Intent Representations for Search Queries.
Helia Hashemi|Hamed Zamani|W. Bruce Croft
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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Towards System-Initiative Conversational Information Seeking.
Somin Wadhwa|Hamed Zamani
Proceedings of the Second International Conference on Design of Experimental Search & Information REtrieval Systems, Padova, Italy, September 15-18, 2021.
doi dblp
Session details: Session 2B - Conversational Search.
Hamed Zamani
ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Canada, July 11, 2021
doi dblp
Towards Multi-Modal Conversational Information Seeking.
Yashar Deldjoo|Johanne R. Trippas|Hamed Zamani
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Intra-Document Cascading: Learning to Select Passages for Neural Document Ranking.
Sebastian Hofstätter|Bhaskar Mitra|Hamed Zamani|Nick Craswell|Allan Hanbury
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Current Challenges and Future Directions in Podcast Information Access.
Rosie Jones|Hamed Zamani|Markus Schedl|Ching-Wei Chen|Sravana Reddy|Ann Clifton|Jussi Karlgren|Helia Hashemi|Aasish Pappu|Zahra Nazari|Longqi Yang|Oguz Semerci|Hugues Bouchard|Ben Carterette
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Improving Transformer-Kernel Ranking Model Using Conformer and Query Term Independence.
Bhaskar Mitra|Sebastian Hofstätter|Hamed Zamani|Nick Craswell
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Learning Robust Dense Retrieval Models from Incomplete Relevance Labels.
Prafull Prakash|Julian Killingback|Hamed Zamani
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Passage Retrieval for Outside-Knowledge Visual Question Answering.
Chen Qu|Hamed Zamani|Liu Yang|W. Bruce Croft|Erik G. Learned-Miller
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Generalizing Discriminative Retrieval Models using Generative Tasks.
Binsheng Liu|Hamed Zamani|Xiaolu Lu|J. Shane Culpepper
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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A Deep Look into neural ranking models for information retrieval.
Jiafeng Guo|Yixing Fan|Liang Pang|Liu Yang|Qingyao Ai|Hamed Zamani|Chen Wu|W. Bruce Croft|Xueqi Cheng
Information Processing and Management 2020 Volume 57 Issue 6
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MIMICS: A Large-Scale Data Collection for Search Clarification.
Hamed Zamani|David Thau|Gord Lueck|Shawn Bowers|Everest Chen|Bertram Ludäscher|Rodolfo Quispe|Flint Luu|Nick Craswell
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
doi dblp
ANTIQUE: A Non-factoid Question Answering Benchmark.
Helia Hashemi|Mohammad Aliannejadi|Hamed Zamani|W. Bruce Croft
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II
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Guided Transformer: Leveraging Multiple External Sources for Representation Learning in Conversational Search.
Helia Hashemi|Hamed Zamani|W. Bruce Croft
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
Local Self-Attention over Long Text for Efficient Document Retrieval.
Sebastian Hofstätter|Hamed Zamani|Bhaskar Mitra|Nick Craswell|Allan Hanbury
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
Recipe Retrieval with Visual Query of Ingredients.
Yen-Chieh Lien|Hamed Zamani|W. Bruce Croft
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
A Reinforcement Learning Framework for Relevance Feedback.
Ali Montazeralghaem|Hamed Zamani|James Allan
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
Macaw: An Extensible Conversational Information Seeking Platform.
Hamed Zamani|Nick Craswell
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
Analyzing and Learning from User Interactions for Search Clarification.
Hamed Zamani|Bhaskar Mitra|Everest Chen|Gord Lueck|Fernando Diaz|Paul N. Bennett|Nick Craswell|Susan T. Dumais
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
dblp
Conformer-Kernel with Query Term Independence at TREC 2020 Deep Learning Track.
Bhaskar Mitra|Sebastian Hofstätter|Hamed Zamani|Nick Craswell
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020.
doi dblp
Learning a Joint Search and Recommendation Model from User-Item Interactions.
Hamed Zamani|W. Bruce Croft
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020
doi dblp
Generating Clarifying Questions for Information Retrieval.
Hamed Zamani|Susan T. Dumais|Nick Craswell|Paul N. Bennett|Gord Lueck
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

doi dblp
Neural models for information retrieval without labeled data.
Hamed Zamani
SIGIR Forum 2019 Volume 53 Issue 2
doi dblp
An Analysis of Approaches Taken in the ACM RecSys Challenge 2018 for Automatic Music Playlist Continuation.
Hamed Zamani|Markus Schedl|Paul Lamere|Ching-Wei Chen
ACM Transactions on Intelligent Systems and Technology (TIST) 2019 Volume 10 Issue 5
doi dblp
Performance Prediction for Non-Factoid Question Answering.
Helia Hashemi|Hamed Zamani|W. Bruce Croft
Proceedings of the 2019 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2019, Santa Clara, CA, USA, October 2-5, 2019.
doi dblp
Asking Clarifying Questions in Open-Domain Information-Seeking Conversations.
Mohammad Aliannejadi|Hamed Zamani|Fabio Crestani|W. Bruce Croft
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.
doi dblp
Analyzing and Predicting News Popularity in an Instant Messaging Service.
Mohammad Naseri|Hamed Zamani
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

2018

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Current challenges and visions in music recommender systems research.
Markus Schedl|Hamed Zamani|Ching-Wei Chen|Yashar Deldjoo|Mehdi Elahi
International Journal of Multimedia Information Retrieval (IJMIR) 2018 Volume 7 Issue 2
doi dblp
PERSON: Personalized information retrieval evaluation based on citation networks.
Shayan A. Tabrizi|Azadeh Shakery|Hamed Zamani|Mohammad Ali Tavallaei
Information Processing and Management 2018 Volume 54 Issue 4
doi dblp
A language model-based framework for multi-publisher content-based recommender systems.
Hamed Zamani|Azadeh Shakery
Discover Computing 2018 Volume 21 Issue 5
doi dblp
In Situ and Context-Aware Target Apps Selection for Unified Mobile Search.
Mohammad Aliannejadi|Hamed Zamani|Fabio Crestani|W. Bruce Croft
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
From Neural Re-Ranking to Neural Ranking: Learning a Sparse Representation for Inverted Indexing.
Hamed Zamani|Mostafa Dehghani|W. Bruce Croft|Erik G. Learned-Miller|Jaap Kamps
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
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Joint Modeling and Optimization of Search and Recommendation.
Hamed Zamani|W. Bruce Croft
Proceedings of the First Biennial Conference on Design of Experimental Search & Information Retrieval Systems, Bertinoro, Italy, August 28-31, 2018.
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Towards a Unified Supervised Approach for Ranking Triples of Type-Like Relations.
Mahsa S. Shahshahani|Faegheh Hasibi|Hamed Zamani|Azadeh Shakery
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings
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On the Theory of Weak Supervision for Information Retrieval.
Hamed Zamani|W. Bruce Croft
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018
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Target Apps Selection: Towards a Unified Search Framework for Mobile Devices.
Mohammad Aliannejadi|Hamed Zamani|Fabio Crestani|W. Bruce Croft
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
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Citation Worthiness of Sentences in Scientific Reports.
Hamed R. Bonab|Hamed Zamani|Erik G. Learned-Miller|James Allan
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
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Universal Approximation Functions for Fast Learning to Rank: Replacing Expensive Regression Forests with Simple Feed-Forward Networks.
Daniel Cohen|John Foley|Hamed Zamani|James Allan|W. Bruce Croft
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
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Theoretical Analysis of Interdependent Constraints in Pseudo-Relevance Feedback.
Ali Montazeralghaem|Hamed Zamani|Azadeh Shakery
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
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SIGIR 2018 Workshop on Learning from Limited or Noisy Data for Information Retrieval.
Hamed Zamani|Mostafa Dehghani|Fernando Diaz|Hang Li|Nick Craswell
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
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Neural Query Performance Prediction using Weak Supervision from Multiple Signals.
Hamed Zamani|W. Bruce Croft|J. Shane Culpepper
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
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Neural Ranking Models with Multiple Document Fields.
Hamed Zamani|Bhaskar Mitra|Xia Song|Nick Craswell|Saurabh Tiwary
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

2017

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An expectation-maximization algorithm for query translation based on pseudo-relevant documents.
Javid Dadashkarimi|Azadeh Shakery|Heshaam Faili|Hamed Zamani
Information Processing and Management 2017 Volume 53 Issue 2
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ACM SIGIR Student Liaison Program.
Mohammad Aliannejadi|Maram Hasanain|Jiaxin Mao|Jaspreet Singh|Johanne R. Trippas|Hamed Zamani|Laura Dietz
SIGIR Forum 2017 Volume 51 Issue 3
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Iterative Estimation of Document Relevance Score for Pseudo-Relevance Feedback.
Mozhdeh Ariannezhad|Ali Montazeralghaem|Hamed Zamani|Azadeh Shakery
Advances in Information Retrieval - 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings
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Improving Retrieval Performance for Verbose Queries via Axiomatic Analysis of Term Discrimination Heuristic.
Mozhdeh Ariannezhad|Ali Montazeralghaem|Hamed Zamani|Azadeh Shakery
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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Neural Ranking Models with Weak Supervision.
Mostafa Dehghani|Hamed Zamani|Aliaksei Severyn|Jaap Kamps|W. Bruce Croft
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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Term Proximity Constraints for Pseudo-Relevance Feedback.
Ali Montazeralghaem|Hamed Zamani|Azadeh Shakery
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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Word Embedding Causes Topic Shifting; Exploit Global Context!
Navid Rekabsaz|Mihai Lupu|Allan Hanbury|Hamed Zamani
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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Relevance-based Word Embedding.
Hamed Zamani|W. Bruce Croft
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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UMass at TREC 2017 Common Core Track.
Qingyao Ai|Hamed Zamani|Stephen M. Harding|Shahrzad Naseri|James Allan|W. Bruce Croft
Proceedings of The Twenty-Sixth Text REtrieval Conference, TREC 2017, Gaithersburg, Maryland, USA, November 15-17, 2017
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Situational Context for Ranking in Personal Search.
Hamed Zamani|Michael Bendersky|Xuanhui Wang|Mingyang Zhang
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

2016

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Pseudo-Relevance Feedback Based on Matrix Factorization.
Hamed Zamani|Javid Dadashkarimi|Azadeh Shakery|W. Bruce Croft
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016
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Cross Domain User Engagement Evaluation.
Ali Montazeralghaem|Hamed Zamani|Azadeh Shakery
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings
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Estimating Embedding Vectors for Queries.
Hamed Zamani|W. Bruce Croft
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016
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Embedding-based Query Language Models.
Hamed Zamani|W. Bruce Croft
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016
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Axiomatic Analysis for Improving the Log-Logistic Feedback Model.
Ali Montazeralghaem|Hamed Zamani|Azadeh Shakery
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

2015

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Adaptive User Engagement Evaluation via Multi-task Learning.
Hamed Zamani|Pooya Moradi|Azadeh Shakery
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

2014

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Authorship Identification Using Dynamic Selection of Features from Probabilistic Feature Set.
Hamed Zamani|Hossein Nasr Esfahani|Pariya Babaie|Samira Abnar|Mostafa Dehghani|Azadeh Shakery
Information Access Evaluation. Multilinguality, Multimodality, and Interaction - 5th International Conference of the CLEF Initiative, CLEF 2014, Sheffield, UK, September 15-18, 2014. Proceedings
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Expanded N-Grams for Semantic Text Alignment Notebook for PAN at CLEF 2014.
Samira Abnar|Mostafa Dehghani|Hamed Zamani|Azadeh Shakery
Working Notes for CLEF 2014 Conference, Sheffield, UK, September 15-18, 2014.