Wai Lam

2025

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Proactive Conversational AI: A Comprehensive Survey of Advancements and Opportunities.
Yang Deng|Lizi Liao|Wenqiang Lei|Grace Hui Yang|Wai Lam|Tat-Seng Chua
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 3
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Unveiling Knowledge Boundary of Large Language Models for Trustworthy Information Access.
Yang Deng|Moxin Li|Liang Pang|Wenxuan Zhang|Wai Lam
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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Asking Multimodal Clarifying Questions in Mixed-Initiative Conversational Search.
Yifei Yuan|Clemencia Siro|Mohammad Aliannejadi|Maarten de Rijke|Wai Lam
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

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A Unified Multi-task Learning Framework for Multi-goal Conversational Recommender Systems.
Yang Deng|Wenxuan Zhang|Weiwen Xu|Wenqiang Lei|Tat-Seng Chua|Wai Lam
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3
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Learning to Ask Clarification Questions with Spatial Reasoning.
Yang Deng|Shuaiyi Li|Wai Lam
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

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Contextualized Knowledge-aware Attentive Neural Network: Enhancing Answer Selection with Knowledge.
Yang Deng|Yuexiang Xie|Yaliang Li|Min Yang|Wai Lam|Ying Shen
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 1
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Toward Personalized Answer Generation in E-Commerce via Multi-perspective Preference Modeling.
Yang Deng|Yaliang Li|Wenxuan Zhang|Bolin Ding|Wai Lam
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 4
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Search Clarification Selection via Query-Intent-Clarification Graph Attention.
Chang Gao|Wai Lam
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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Sentiment Analysis of Fashion Related Posts in Social Media.
Yifei Yuan|Wai Lam
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022
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User Satisfaction Estimation with Sequential Dialogue Act Modeling in Goal-oriented Conversational Systems.
Yang Deng|Wenxuan Zhang|Wai Lam|Hong Cheng|Helen Meng
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

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Unified Conversational Recommendation Policy Learning via Graph-based Reinforcement Learning.
Yang Deng|Yaliang Li|Fei Sun|Bolin Ding|Wai Lam
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
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Conversational Fashion Image Retrieval via Multiturn Natural Language Feedback.
Yifei Yuan|Wai Lam
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

doi dblp
Information Retrieval Technology - 15th Asia Information Retrieval Societies Conference, AIRS 2019, Hong Kong, November 7-9, 2019, Proceedings
Asia Information Retrieval Symposium (AIRS) 2020
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Opinion-aware Answer Generation for Review-driven Question Answering in E-Commerce.
Yang Deng|Wenxuan Zhang|Wai Lam
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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Bridging Hierarchical and Sequential Context Modeling for Question-driven Extractive Answer Summarization.
Yang Deng|Wenxuan Zhang|Yaliang Li|Min Yang|Wai Lam|Ying Shen
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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Soft Kernel-based Ranking on a Statistical Manifold.
Xinshi Lin|Wai Lam
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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Answer Ranking for Product-Related Questions via Multiple Semantic Relations Modeling.
Wenxuan Zhang|Yang Deng|Wai Lam
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
Review-guided Helpful Answer Identification in E-commerce.
Wenxuan Zhang|Wai Lam|Yang Deng|Jing Ma
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Context-Aware Helpfulness Prediction for Online Product Reviews.
Iyiola E. Olatunji|Xin Li|Wai Lam
Information Retrieval Technology - 15th Asia Information Retrieval Societies Conference, AIRS 2019, Hong Kong, November 7-9, 2019, Proceedings
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CUIS at the NTCIR-14 STC-3 DQ Subtask.
Kai Cong|Wai Lam
Proceedings of the 14th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2019, Tokyo, Japan, June 10-13, 2019
doi dblp
Persona-Aware Tips Generation?
Piji Li|Zihao Wang|Lidong Bing|Wai Lam
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

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Joint Modeling of Participant Influence and Latent Topics for Recommendation in Event-based Social Networks.
Yi Liao|Wai Lam|Lidong Bing|Xin Shen
ACM Transactions on Information Systems (TOIS) 2018 Volume 36 Issue 3
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Guiding Approximate Text Classification Rules via Context Information.
Wai Chung Wong|Sunny Lai|Wai Lam|Kwong-Sak Leung
Information Retrieval Technology - 14th Asia Information Retrieval Societies Conference, AIRS 2018, Taipei, Taiwan, November 28-30, 2018, Proceedings
doi dblp
Entity Retrieval via Type Taxonomy Aware Smoothing.
Xinshi Lin|Wai Lam
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings
doi dblp
Entity Retrieval in the Knowledge Graph with Hierarchical Entity Type and Content.
Xinshi Lin|Wai Lam|Kwun Ping Lai
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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Product Question Intent Detection using Indicative Clause Attention and Adversarial Learning.
Qian Yu|Wai Lam
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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CUIS Team at TREC 2018 CAR Track.
Xinshi Lin|Wai Lam
Proceedings of the Twenty-Seventh Text REtrieval Conference, TREC 2018, Gaithersburg, Maryland, USA, November 14-16, 2018
doi dblp
Review-Aware Answer Prediction for Product-Related Questions Incorporating Aspects.
Qian Yu|Wai Lam
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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CUIS Team for NTCIR-13 AKG Task.
Xinshi Lin|Wai Lam|Shubham Sharma
The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017
doi dblp
Neural Rating Regression with Abstractive Tips Generation for Recommendation.
Piji Li|Zihao Wang|Zhaochun Ren|Lidong Bing|Wai Lam
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
doi dblp
Jointly Learning Word Embeddings and Latent Topics.
Bei Shi|Wai Lam|Shoaib Jameel|Steven Schockaert|Kwun Ping Lai
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

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Learning a Semantic Space of Web Search via Session Data.
Lidong Bing|Zheng-Yu Niu|Wai Lam|Haifeng Wang
Information Retrieval Technology - 12th Asia Information Retrieval Societies Conference, AIRS 2016, Beijing, China, November 30 - December 2, 2016, Proceedings
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A Joint Framework for Collaborative Filtering and Metric Learning.
Tak-Lam Wong|Wai Lam|Haoran Xie|Fu Lee Wang
Information Retrieval Technology - 12th Asia Information Retrieval Societies Conference, AIRS 2016, Beijing, China, November 30 - December 2, 2016, Proceedings
doi dblp
Digesting News Reader Comments via Fine-Grained Associations with Event Facets and News Contents.
Bei Shi|Wai Lam
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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Digesting Multilingual Reader Comments via Latent Discussion Topics with Commonality and Specificity.
Bei Shi|Wai Lam|Lidong Bing|Yinqing Xu
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016
doi dblp
Exploring Urban Lifestyles Using a Nonparametric Temporal Graphical Model.
Shoaib Jameel|Yi Liao|Wai Lam|Steven Schockaert|Xing Xie
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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Who Wants to Join Me?: Companion Recommendation in Location Based Social Networks.
Yi Liao|Wai Lam|Shoaib Jameel|Steven Schockaert|Xing Xie
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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CUIS at the NTCIR-12 MobileClick2 Task.
Kwun Ping Lai|Wai Lam|Lidong Bing
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

2015

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Web Query Reformulation via Joint Modeling of Latent Topic Dependency and Term Context.
Lidong Bing|Wai Lam|Tak-Lam Wong|Shoaib Jameel
ACM Transactions on Information Systems (TOIS) 2015 Volume 33 Issue 2
doi dblp
Supervised topic models with word order structure for document classification and retrieval learning.
Shoaib Jameel|Wai Lam|Lidong Bing
Discover Computing 2015 Volume 18 Issue 4
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Abstract Venue Concept Detection from Location-Based Social Networks.
Yi Liao|Shoaib Jameel|Wai Lam|Xing Xie
Information Retrieval Technology - 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings
doi dblp
A Unified Posterior Regularized Topic Model with Maximum Margin for Learning-to-Rank.
Shoaib Jameel|Wai Lam|Steven Schockaert|Lidong Bing
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015
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Nonparametric Topic Modeling Using Chinese Restaurant Franchise with Buddy Customers.
Shoaib Jameel|Wai Lam|Lidong Bing
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings

2014

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Collaborative Filtering Incorporating Review Text and Co-clusters of Hidden User Communities and Item Groups.
Yinqing Xu|Wai Lam|Tianyi Lin
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014
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Latent Aspect Mining via Exploring Sparsity and Intrinsic Information.
Yinqing Xu|Tianyi Lin|Wai Lam|Zirui Zhou|Hong Cheng|Anthony Man-Cho So
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014
doi dblp
Web page segmentation with structured prediction and its application in web page classification.
Lidong Bing|Rui Guo|Wai Lam|Zheng-Yu Niu|Haifeng Wang
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2013

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Robust detection of semi-structured web records using a DOM structure-knowledge-driven model.
Lidong Bing|Wai Lam|Tak-Lam Wong
ACM Transactions on the Web 2013 Volume 7 Issue 4
doi dblp
A Nonparametric N-Gram Topic Model with Interpretable Latent Topics.
Shoaib Jameel|Wai Lam
Information Retrieval Technology - 9th Asia Information Retrieval Societies Conference, AIRS 2013, Singapore, December 9-11, 2013. Proceedings
doi dblp
Structured positional entity language model for enterprise entity retrieval.
Chunliang Lu|Lidong Bing|Wai Lam
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013
doi dblp
An N-Gram Topic Model for Time-Stamped Documents.
Shoaib Jameel|Wai Lam
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings
doi dblp
An unsupervised topic segmentation model incorporating word order.
Shoaib Jameel|Wai Lam
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013
doi dblp
Wikipedia entity expansion and attribute extraction from the web using semi-supervised learning.
Lidong Bing|Wai Lam|Tak-Lam Wong
Sixth ACM International Conference on Web Search and Data Mining, WSDM 2013, Rome, Italy, February 4-8, 2013

2012

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Unsupervised Extraction of Popular Product Attributes from Web Sites.
Lidong Bing|Tak-Lam Wong|Wai Lam
Information Retrieval Technology, 8th Asia Information Retrieval Societies Conference, AIRS 2012, Tianjin, China, December 17-19, 2012. Proceedings

2011

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Towards a unified solution: data record region detection and segmentation.
Lidong Bing|Wai Lam|Yuan Gu
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011
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Using query log and social tagging to refine queries based on latent topics.
Lidong Bing|Wai Lam|Tak-Lam Wong
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011
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An unsupervised ranking method based on a technical difficulty terrain.
Shoaib Jameel|Wai Lam|Ching-man Au Yeung|Sheaujiun Chyan
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011
doi dblp
Normalizing web product attributes and discovering domain ontology with minimal effort.
Tak-Lam Wong|Lidong Bing|Wai Lam
Proceedings of the Forth International Conference on Web Search and Web Data Mining, WSDM 2011, Hong Kong, China, February 9-12, 2011

2010

doi dblp
Information Retrieval Technology - 6th Asia Information Retrieval Societies Conference, AIRS 2010, Taipei, Taiwan, December 1-3, 2010. Proceedings
Asia Information Retrieval Symposium (AIRS) 2010
doi dblp
Learning ontology resolution for document representation and its applications in text mining.
Lidong Bing|Bai Sun|Shan Jiang|Yan Zhang|Wai Lam
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010
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Discovery of logic relations for text mining adaptation using unlabeled data.
Ki Chan|Wai Lam|Tak-Lam Wong
Recherche d'Information Assistée par Ordinateur, RIAO 2010: Adaptivity, Personalization and Fusion of Heterogeneous Information, 9th International Conference, Bibliotheque Nationale de France, Paris, France, April 28-30, 2010, Proceedings

2009

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An integrated discriminative probabilistic approach to information extraction.
Xiaofeng Yu|Wai Lam|Bo Chen
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009
doi dblp
Mining employment market via text block detection and adaptive cross-domain information extraction.
Tak-Lam Wong|Wai Lam|Bo Chen
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

2008

doi dblp
Pronoun Resolution with Markov Logic Networks.
Ki Chan|Wai Lam
Information Retrieval Technology, 4th Asia Infomation Retrieval Symposium, AIRS 2008, Harbin, China, January 15-18, 2008, Revised Selected Papers
doi dblp
Coreference resolution using expressive logic models.
Ki Chan|Wai Lam|Xiaofeng Yu
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008
doi dblp
An unsupervised framework for extracting and normalizing product attributes from multiple web sites.
Tak-Lam Wong|Wai Lam|Tik-Shun Wong
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

2007

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Named entity translation matching and learning: With application for mining unseen translations.
Wai Lam|Shing-Kit Chan|Ruizhang Huang
ACM Transactions on Information Systems (TOIS) 2007 Volume 25 Issue 1
doi dblp
Introduction to the special topic section on mining Web resources for enhancing information retrieval.
Wai Lam|Christopher C. Yang|Filippo Menczer
Journal of the Association for Information Science and Technology (JASIST) 2007 Volume 58 Issue 12

2006

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Introduction to the special topic section on multilingual information systems.
Christopher C. Yang|Wai Lam
Journal of the Association for Information Science and Technology (JASIST) 2006 Volume 57 Issue 5
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Text Clustering with Limited User Feedback Under Local Metric Learning.
Ruizhang Huang|Zhigang Zhang|Wai Lam
Information Retrieval Technology, Third Asia Information Retrieval Symposium, AIRS 2006, Singapore, October 16-18, 2006, Proceedings
doi dblp
Refining hierarchical taxonomy structure via semi-supervised learning.
Ruizhang Huang|Zhigang Zhang|Wai Lam
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006
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Using Semantic Relations with World Knowledge for Question Answering.
Ka Kan Lo|Wai Lam
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

2005

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Context-based generic cross-lingual retrieval of documents and automated summaries.
Wai Lam|Ki Chan|Dragomir R. Radev|Horacio Saggion|Simone Teufel
Journal of the Association for Information Science and Technology (JASIST) 2005 Volume 56 Issue 2
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Gene Ontology Classification of Biomedical Literatures Using Context Association.
Ki Chan|Wai Lam
Information Retrieval Technology, Second Asia Information Retrieval Symposium, AIRS 2005, Jeju Island, Korea, October 13-15, 2005, Proceedings
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Pattern Based Customized Learning for TREC Genomics Track Categorization Task.
Wai Lam|Yiqiu Han|Ki Chan
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

2004

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Improving Transliteration with Precise Alignment of Phoneme Chunks and Using Contextual Features.
Wei Gao|Kam-Fai Wong|Wai Lam
Information Retrieval Technology, Asia Information Retrieval Symposium, AIRS 2004, Beijing, China, October 18-20, 2004, Revised Selected Papers
doi dblp
Learning phonetic similarity for matching named entity translations and mining new translations.
Wai Lam|Ruizhang Huang|Pik-Shan Cheung
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

2001

doi dblp
Modeling user interest shift using a bayesian approach.
Wai Lam|Javed Mostafa
Journal of the Association for Information Science and Technology (JASIST) 2001 Volume 52 Issue 5
doi dblp
Chinese document indexing based on a new partitioned signature file: Model and evaluation.
Wai Lam|Kam-Fai Wong|Chi-Yin Wong
Journal of the Association for Information Science and Technology (JASIST) 2001 Volume 52 Issue 7
doi dblp
A Meta-Learning Approach for Text Categorization.
Wai Lam|Kwok-Yin Lai
SIGIR 2001: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, September 9-13, 2001, New Orleans, Louisiana, USA

2000

doi dblp
Automatic classification using supervised learning in a medical document filtering application.
Javed Mostafa|Wai Lam
Information Processing and Management 2000 Volume 36 Issue 3
doi dblp
Learning to Extract Hierarchical Information from Semi-structured Documents.
Wai Lam|Wai-Yip Lin
Proceedings of the 2000 ACM CIKM International Conference on Information and Knowledge Management, McLean, VA, USA, November 6-11, 2000

1999

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An Intelligent Adaptive Filtering Agent Based on an On-Line Learning Model (poster abstract).
Wai Lam|Kwok Leung Yu
SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 15-19, 1999, Berkeley, CA, USA

1998

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A New On-Line Learning Algorithm for Adaptive Text Filtering.
Kwok Leung Yu|Wai Lam
Proceedings of the 1998 ACM CIKM International Conference on Information and Knowledge Management, Bethesda, Maryland, USA, November 3-7, 1998
doi dblp
Using a Generalized Instance Set for Automatic Text Categorization.
Wai Lam|Pascal Felber|Chao Yang Ho
SIGIR '98: Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 24-28 1998, Melbourne, Australia

1997

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A Multilevel Approach to Intelligent Information Filtering: Model, System, and Evaluation.
Javed Mostafa|Snehasis Mukhopadhyay|Wai Lam|Mathew J. Palakal
ACM Transactions on Information Systems (TOIS) 1997 Volume 15 Issue 4

1996

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Detection of Shifts in User Interests for Personalized Information Filtering.
Wai Lam|Snehasis Mukhopadhyay|Javed Mostafa|Mathew J. Palakal
Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR'96, August 18-22, 1996, Zurich, Switzerland (Special Issue of the SIGIR Forum)