Chun Chen

2026

doi dblp
LLM4DSR: Leveraging Large Language Model for Denoising Sequential Recommendation.
Bohao Wang|Feng Liu|Changwang Zhang|Jiawei Chen|Yudi Wu|Sheng Zhou|Xingyu Lou|Jun Wang|Yan Feng|Chun Chen|Can Wang
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 1
doi dblp
Does LLM Focus on the Right Words? Mitigating Context Bias in LLM-based Recommenders.
Bohao Wang|Jiawei Chen|Feng Liu|Changwang Zhang|Jun Wang|Canghong Jin|Chun Chen|Can Wang
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

doi dblp
MSL: Not All Tokens Are What You Need for Tuning LLM as a Recommender.
Bohao Wang|Feng Liu|Jiawei Chen|Xingyu Lou|Changwang Zhang|Jun Wang|Yuegang Sun|Yan Feng|Chun Chen|Can Wang
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
How Do Recommendation Models Amplify Popularity Bias? An Analysis from the Spectral Perspective.
Siyi Lin|Chongming Gao|Jiawei Chen|Sheng Zhou|Binbin Hu|Yan Feng|Chun Chen|Can Wang
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
doi dblp
Dynamic Graph Transformer with Correlated Spatial-Temporal Positional Encoding.
Zhe Wang|Sheng Zhou|Jiawei Chen|Zhen Zhang|Binbin Hu|Yan Feng|Chun Chen|Can Wang
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
doi dblp
Rankformer: A Graph Transformer for Recommendation based on Ranking Objective.
Sirui Chen|Shen Han|Jiawei Chen|Binbin Hu|Sheng Zhou|Gang Wang|Yan Feng|Chun Chen|Can Wang
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
doi dblp
Uncertainty-Aware Graph Structure Learning.
Shen Han|Zhiyao Zhou|Jiawei Chen|Zhezheng Hao|Sheng Zhou|Gang Wang|Yan Feng|Chun Chen|Can Wang
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

doi dblp
ReCRec: Reasoning the Causes of Implicit Feedback for Debiased Recommendation.
Siyi Lin|Sheng Zhou|Jiawei Chen|Yan Feng|Qihao Shi|Chun Chen|Ying Li|Can Wang
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 6
doi dblp
Distributionally Robust Graph-based Recommendation System.
Bohao Wang|Jiawei Chen|Changdong Li|Sheng Zhou|Qihao Shi|Yang Gao|Yan Feng|Chun Chen|Can Wang
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

doi dblp
CDR: Conservative Doubly Robust Learning for Debiased Recommendation.
Zijie Song|Jiawei Chen|Sheng Zhou|Qihao Shi|Yan Feng|Chun Chen|Can Wang
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023

2022

doi dblp
Collaborative Knowledge Distillation for Heterogeneous Information Network Embedding.
Can Wang|Sheng Zhou|Kang Yu|Defang Chen|Bolang Li|Yan Feng|Chun Chen
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp
CoSam: An Efficient Collaborative Adaptive Sampler for Recommendation.
Jiawei Chen|Chengquan Jiang|Can Wang|Sheng Zhou|Yan Feng|Chun Chen|Martin Ester|Xiangnan He
ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 3

2019

doi dblp
SamWalker: Social Recommendation with Informative Sampling Strategy.
Jiawei Chen|Can Wang|Sheng Zhou|Qihao Shi|Yan Feng|Chun Chen
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

doi dblp
Modeling Users' Exposure with Social Knowledge Influence and Consumption Influence for Recommendation.
Jiawei Chen|Yan Feng|Martin Ester|Sheng Zhou|Chun Chen|Can Wang
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
Joint User- and Event- Driven Stable Social Event Organization.
Xin Wang|Wenwu Zhu|Chun Chen|Martin Ester
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

2017

doi dblp
Learning Personalized Preference of Strong and Weak Ties for Social Recommendation.
Xin Wang|Steven C. H. Hoi|Martin Ester|Jiajun Bu|Chun Chen
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

2016

doi dblp
Social Recommendation with Strong and Weak Ties.
Xin Wang|Wei Lu|Martin Ester|Can Wang|Chun Chen
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2013

doi dblp
Whom to mention: expand the diffusion of tweets by @ recommendation on micro-blogging systems.
Beidou Wang|Can Wang|Jiajun Bu|Chun Chen|Wei Vivian Zhang|Deng Cai|Xiaofei He
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013

2012

doi dblp
Relational co-clustering via manifold ensemble learning.
Ping Li|Jiajun Bu|Chun Chen|Zhanying He
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012
doi dblp
An exploration of improving collaborative recommender systems via user-item subgroups.
Bin Xu|Jiajun Bu|Chun Chen|Deng Cai
Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012

2011

doi dblp
Efficient manifold ranking for image retrieval.
Bin Xu|Jiajun Bu|Chun Chen|Deng Cai|Xiaofei He|Wei Liu|Jiebo Luo
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

2010

doi dblp
Learning a user-thread alignment manifold for thread recommendation in online forum.
Jun Zhao|Jiajun Bu|Chun Chen|Ziyu Guan|Can Wang|Cheng Zhang
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010
doi dblp
Document recommendation in social tagging services.
Ziyu Guan|Can Wang|Jiajun Bu|Chun Chen|Kun Yang|Deng Cai|Xiaofei He
Proceedings of the 19th International Conference on World Wide Web, WWW 2010, Raleigh, North Carolina, USA, April 26-30, 2010

2009

doi dblp
Domain Specific Opinion Retrieval.
Guang Qiu|Feng Zhang|Jiajun Bu|Chun Chen
Information Retrieval Technology, 5th Asia Information Retrieval Symposium, AIRS 2009, Sapporo, Japan, October 21-23, 2009. Proceedings
doi dblp
Personalized tag recommendation using graph-based ranking on multi-type interrelated objects.
Ziyu Guan|Jiajun Bu|Qiaozhu Mei|Chun Chen|Can Wang
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
doi dblp
Probabilistic question recommendation for question answering communities.
Mingcheng Qu|Guang Qiu|Xiaofei He|Cheng Zhang|Hao Wu|Jiajun Bu|Chun Chen
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009
doi dblp
News article extraction with template-independent wrapper.
Junfeng Wang|Xiaofei He|Can Wang|Jian Pei|Jiajun Bu|Chun Chen|Ziyu Guan|Gang Lu
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009
doi dblp
Advertising keyword generation using active learning.
Hao Wu|Guang Qiu|Xiaofei He|Yuan Shi|Mingcheng Qu|Jing Shen|Jiajun Bu|Chun Chen
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009
doi dblp
Tag-oriented document summarization.
Junyan Zhu|Can Wang|Xiaofei He|Jiajun Bu|Chun Chen|Shujie Shang|Mingcheng Qu|Gang Lu
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009

2008

doi dblp
Improve Web Image Retrieval by Refining Image Annotations.
Peng Huang|Jiajun Bu|Chun Chen|Kangmiao Liu|Guang Qiu
Information Retrieval Technology, 4th Asia Infomation Retrieval Symposium, AIRS 2008, Harbin, China, January 15-18, 2008, Revised Selected Papers
doi dblp
A Simulated Shallow Dependency Parser Based on Weighted Hierarchical Structure Learning.
Zhiming Kang|Chun Chen|Jiajun Bu|Peng Huang|Guang Qiu
Information Retrieval Technology, 4th Asia Infomation Retrieval Symposium, AIRS 2008, Harbin, China, January 15-18, 2008, Revised Selected Papers
doi dblp
Improving Web Image Retrieval Using Image Annotations and Inference Network.
Peng Huang|Jiajun Bu|Chun Chen|Guang Qiu
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings
doi dblp
Guide focused crawler efficiently and effectively using on-line topical importance estimation.
Ziyu Guan|Can Wang|Chun Chen|Jiajun Bu|Junfeng Wang
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008
doi dblp
SOPING: a Chinese customer review mining system.
Chao Zhou|Guang Qiu|Kangmiao Liu|Jiajun Bu|Mingcheng Qu|Chun Chen
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008
doi dblp
Model bloggers' interests based on forgetting mechanism.
Yuan Cheng|Guang Qiu|Jiajun Bu|Kangmiao Liu|Ye Han|Can Wang|Chun Chen
Proceedings of the 17th International Conference on World Wide Web, WWW 2008, Beijing, China, April 21-25, 2008

2007

doi dblp
MRF based approach for sentence retrieval.
Keke Cai|Chun Chen|Kangmiao Liu|Jiajun Bu|Peng Huang
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007
doi dblp
A full-text retrieval toolkit for mobile desktop search.
Wei Chen|Jiajun Bu|Kangmiao Liu|Chun Chen|Chen Zhang
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007
doi dblp
Quantify query ambiguity using ODP metadata.
Guang Qiu|Kangmiao Liu|Jiajun Bu|Chun Chen|Zhiming Kang
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007
doi dblp
Bayesian network based sentence retrieval model.
Keke Cai|Jiajun Bu|Chun Chen|Kangmiao Liu|Wei Chen
Proceedings of the 16th International Conference on World Wide Web, WWW 2007, Banff, Alberta, Canada, May 8-12, 2007
doi dblp
Exploration of query context for information retrieval.
Keke Cai|Chun Chen|Jiajun Bu|Peng Huang|Zhiming Kang
Proceedings of the 16th International Conference on World Wide Web, WWW 2007, Banff, Alberta, Canada, May 8-12, 2007