Hang Li

2026

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Evalugator[inline-graphic not available: see fulltext] - Rapid, Agile Development and Evaluation of Retrieval Augmented Generation Systems Without Labels.
Bevan Koopman|Hang Li|Shuai Wang|Guido Zuccon
Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part IV

2023

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Pseudo Relevance Feedback with Deep Language Models and Dense Retrievers: Successes and Pitfalls.
Hang Li|Ahmed Mourad|Shengyao Zhuang|Bevan Koopman|Guido Zuccon
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3
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AgAsk: A Conversational Search Agent for Answering Agricultural Questions.
Hang Li|Bevan Koopman|Ahmed Mourad|Guido Zuccon
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.
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MeSH Suggester: A Library and System for MeSH Term Suggestion for Systematic Review Boolean Query Construction.
Shuai Wang|Hang Li|Guido Zuccon
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.

2022

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Pseudo-Relevance Feedback with Dense Retrievers in Pyserini.
Hang Li|Shengyao Zhuang|Xueguang Ma|Jimmy Lin|Guido Zuccon
Proceedings of the 26th Australasian Document Computing Symposium, ADCS 2022, Adelaide, SA, Australia, December 15-16, 2022.
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Improving Query Representations for Dense Retrieval with Pseudo Relevance Feedback: A Reproducibility Study.
Hang Li|Shengyao Zhuang|Ahmed Mourad|Xueguang Ma|Jimmy Lin|Guido Zuccon
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part I
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How Does Feedback Signal Quality Impact Effectiveness of Pseudo Relevance Feedback for Passage Retrieval.
Hang Li|Ahmed Mourad|Bevan Koopman|Guido Zuccon
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
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To Interpolate or not to Interpolate: PRF, Dense and Sparse Retrievers.
Hang Li|Shuai Wang|Shengyao Zhuang|Ahmed Mourad|Xueguang Ma|Jimmy Lin|Guido Zuccon
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
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Implicit Feedback for Dense Passage Retrieval: A Counterfactual Approach.
Shengyao Zhuang|Hang Li|Guido Zuccon
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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MeSH Term Suggestion for Systematic Review Literature Search.
Shuai Wang|Hang Li|Harrisen Scells|Daniel Locke|Guido Zuccon
ADCS '21: Australasian Document Computing Symposium, Virtual Event, Australia, 9 December 2021
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Deep Query Likelihood Model for Information Retrieval.
Shengyao Zhuang|Hang Li|Guido Zuccon
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

2020

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Systematic Review Automation Tools for End-to-End Query Formulation.
Hang Li|Harrisen Scells|Guido Zuccon
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
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IELAB for TREC Conversational Assistance Track (CAsT) 2020.
Sebastian Cross|Hang Li|Arvin Zhuang|Ahmed Mourad|Guido Zuccon|Bevan Koopman
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020.