2023

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Variational Reasoning over Incomplete Knowledge Graphs for Conversational Recommendation
Xiaoyu Zhang | Xin Xin | Dongdong Li | Wenxuan Liu | Pengjie Ren | Zhumin Chen | Jun Ma | Zhaochun Ren
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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Graph Technologies for User Modeling and Recommendation: Introduction to the Special Issue - Part 1
Xiangnan He | Zhaochun Ren | Emine Yilmaz | Marc Najork | Tat-Seng Chua
2022 Volume 40 Issue 2

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Introduction to the Special Section on Graph Technologies for User Modeling and Recommendation, Part 2
Xiangnan He | Zhaochun Ren | Emine Yilmaz | Marc Najork | Tat-Seng Chua
2022 Volume 40 Issue 3

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Question Tagging via Graph-guided Ranking
Xiao Zhang | Meng Liu | Jianhua Yin | Zhaochun Ren | Liqiang Nie
2022 Volume 40 Issue 1

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Improving legal judgment prediction through reinforced criminal element extraction
Yougang Lyu | Zihan Wang | Zhaochun Ren | Pengjie Ren | Zhumin Chen | Xiaozhong Liu | Yujun Li | Hongsong Li | Hongye Song
2022 Volume 59 Issue 1

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ReMeDi: Resources for Multi-domain, Multi-service, Medical Dialogues
Guojun Yan | Jiahuan Pei | Pengjie Ren | Zhaochun Ren | Xin Xin | Huasheng Liang | Maarten de Rijke | Zhumin Chen
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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Improving Conversational Recommender Systems via Transformer-based Sequential Modelling
Jie Zou | Evangelos Kanoulas | Pengjie Ren | Zhaochun Ren | Aixin Sun | Cheng Long
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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Rethinking Reinforcement Learning for Recommendation: A Prompt Perspective
Xin Xin | Tiago Pimentel | Alexandros Karatzoglou | Pengjie Ren | Konstantina Christakopoulou | Zhaochun Ren
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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Personalized Abstractive Opinion Tagging
Mengxue Zhao | Yang Yang | Miao Li | Jingang Wang | Wei Wu | Pengjie Ren | Maarten de Rijke | Zhaochun Ren
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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Variational Reasoning about User Preferences for Conversational Recommendation
Zhaochun Ren | Zhi Tian | Dongdong Li | Pengjie Ren | Liu Yang | Xin Xin | Huasheng Liang | Maarten de Rijke | Zhumin Chen
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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Meaningful Answer Generation of E-Commerce Question-Answering
Shen Gao | Xiuying Chen | Zhaochun Ren | Dongyan Zhao | Rui Yan
2021 Volume 39 Issue 2

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Conversations with Search Engines: SERP-based Conversational Response Generation
Pengjie Ren | Zhumin Chen | Zhaochun Ren | Evangelos Kanoulas | Christof Monz | Maarten de Rijke
2021 Volume 39 Issue 4

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Abstractive Opinion Tagging
Qintong Li | Piji Li | Xinyi Li | Zhaochun Ren | Zhumin Chen | Maarten de Rijke
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021

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Simulating User Satisfaction for the Evaluation of Task-oriented Dialogue Systems
Weiwei Sun | Shuo Zhang | Krisztian Balog | Zhaochun Ren | Pengjie Ren | Zhumin Chen | Maarten de Rijke
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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Conversations Powered by Cross-Lingual Knowledge
Weiwei Sun | Chuan Meng | Qi Meng | Zhaochun Ren | Pengjie Ren | Zhumin Chen | Maarten de Rijke
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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Multi-Type Textual Reasoning for Product-Aware Answer Generation
Yue Feng | Zhaochun Ren | Weijie Zhao | Mingming Sun | Ping Li
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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Cross-Domain Contract Element Extraction with a Bi-directional Feedback Clause-Element Relation Network
Zihan Wang | Hongye Song | Zhaochun Ren | Pengjie Ren | Zhumin Chen | Xiaozhong Liu | Hongsong Li | Maarten de Rijke
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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Semi-Supervised Variational Reasoning for Medical Dialogue Generation
Dongdong Li | Zhaochun Ren | Pengjie Ren | Zhumin Chen | Miao Fan | Jun Ma | Maarten de Rijke
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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Wizard of Search Engine: Access to Information Through Conversations with Search Engines
Pengjie Ren | Zhongkun Liu | Xiaomeng Song | Hongtao Tian | Zhumin Chen | Zhaochun Ren | Maarten de Rijke
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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Initiative-Aware Self-Supervised Learning for Knowledge-Grounded Conversations
Chuan Meng | Pengjie Ren | Zhumin Chen | Zhaochun Ren | Tengxiao Xi | Maarten de Rijke
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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CrowdGP: a Gaussian Process Model for Inferring Relevance from Crowd Annotations
Dan Li | Zhaochun Ren | Evangelos Kanoulas
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021

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Long Short-Term Session Search: Joint Personalized Reranking and Next Query Prediction
Qiannan Cheng | Zhaochun Ren | Yujie Lin | Pengjie Ren | Zhumin Chen | Xiangyuan Liu | Maarten de Rijke
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021

2020

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Report on the international workshop on natural language processing for recommendations (NLP4REC 2020) workshop held at WSDM 2020
Xiao Huang | Pengjie Ren | Zhaochun Ren | Fei Sun | Xiangnan He | Dawei Yin | Maarten de Rijke
2020 Volume 54 Issue 1

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NLP4REC: The WSDM 2020 Workshop on Natural Language Processing for Recommendations
Pengjie Ren | Zhaochun Ren | Fei Sun | Xiangnan He | Dawei Yin | Maarten de Rijke
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

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LARA: Attribute-to-feature Adversarial Learning for New-item Recommendation
Changfeng Sun | Han Liu | Meng Liu | Zhaochun Ren | Tian Gan | Liqiang Nie
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

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AIIS: The SIGIR 2020 Workshop on Applied Interactive Information Systems
Hongshen Chen | Zhaochun Ren | Pengjie Ren | Dawei Yin | Xiaodong He
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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DukeNet: A Dual Knowledge Interaction Network for Knowledge-Grounded Conversation
Chuan Meng | Pengjie Ren | Zhumin Chen | Weiwei Sun | Zhaochun Ren | Zhaopeng Tu | Maarten de Rijke
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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Meta Matrix Factorization for Federated Rating Predictions
Yujie Lin | Pengjie Ren | Zhumin Chen | Zhaochun Ren | Dongxiao Yu | Jun Ma | Maarten de Rijke | Xiuzhen Cheng
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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Coding Electronic Health Records with Adversarial Reinforcement Path Generation
Shanshan Wang | Pengjie Ren | Zhumin Chen | Zhaochun Ren | Jian-Yun Nie | Jun Ma | Maarten de Rijke
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
Streaming Graph Neural Networks
Yao Ma | Ziyi Guo | Zhaochun Ren | Jiliang Tang | Dawei Yin
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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VN Network: Embedding Newly Emerging Entities with Virtual Neighbors
Yongquan He | Zihan Wang | Peng Zhang | Zhaopeng Tu | Zhaochun Ren
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

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Keywords Generation Improves E-Commerce Session-based Recommendation
Yuanxing Liu | Zhaochun Ren | Wei-Nan Zhang | Wanxiang Che | Ting Liu | Dawei Yin
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

doi dblp
DAPA: The WSDM 2019 Workshop on Deep Matching in Practical Applications
Yixing Fan | Qingyao Ai | Zhaochun Ren | Liangjie Hong | Dawei Yin | Jiafeng Guo
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

doi dblp
Taxonomy-Aware Multi-Hop Reasoning Networks for Sequential Recommendation
Jin Huang | Zhaochun Ren | Wayne Xin Zhao | Gaole He | Ji-Rong Wen | Daxiang Dong
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

doi dblp
Product-Aware Answer Generation in E-Commerce Question-Answering
Shen Gao | Zhaochun Ren | Yihong Eric Zhao | Dongyan Zhao | Dawei Yin | Rui Yan
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

doi dblp
Order-free Medicine Combination Prediction with Graph Convolutional Reinforcement Learning
Shanshan Wang | Pengjie Ren | Zhumin Chen | Zhaochun Ren | Jun Ma | Maarten de Rijke
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

doi dblp
From Stances' Imbalance to Their HierarchicalRepresentation and Detection
Qiang Zhang | Shangsong Liang | Aldo Lipani | Zhaochun Ren | Emine Yilmaz
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

doi dblp
Improving Outfit Recommendation with Co-supervision of Fashion Generation
Yujie Lin | Pengjie Ren | Zhumin Chen | Zhaochun Ren | Jun Ma | Maarten de Rijke
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

doi dblp
Vectors of Pairwise Item Preferences
Gaurav Pandey | Shuaiqiang Wang | Zhaochun Ren | Yi Chang
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part I

doi dblp
Information Retrieval - 25th China Conference, CCIR 2019, Fuzhou, China, September 20-22, 2019, Proceedings

Information Retrieval - 25th China Conference, CCIR 2019, Fuzhou, China, September 20-22, 2019, Proceedings

2018

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Sentence Relations for Extractive Summarization with Deep Neural Networks
Pengjie Ren | Zhumin Chen | Zhaochun Ren | Furu Wei | Liqiang Nie | Jun Ma | Maarten de Rijke
2018 Volume 36 Issue 4

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Linear feature extraction for ranking
Gaurav Pandey | Zhaochun Ren | Shuaiqiang Wang | Jari Veijalainen | Maarten de Rijke
2018 Volume 21 Issue 6

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A Path-constrained Framework for Discriminating Substitutable and Complementary Products in E-commerce
Zihan Wang | Ziheng Jiang | Zhaochun Ren | Jiliang Tang | Dawei Yin
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

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Multi-Dimensional Network Embedding with Hierarchical Structure
Yao Ma | Zhaochun Ren | Ziheng Jiang | Jiliang Tang | Dawei Yin
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

doi dblp
Information Discovery in E-commerce: Half-day SIGIR 2018 Tutorial
Zhaochun Ren | Xiangnan He | Dawei Yin | Maarten de Rijke
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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Explicit State Tracking with Semi-Supervisionfor Neural Dialogue Generation
Xisen Jin | Wenqiang Lei | Zhaochun Ren | Hongshen Chen | Shangsong Liang | Yihong Zhao | Dawei Yin
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

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Manifold Learning for Rank Aggregation
Shangsong Liang | Ilya Markov | Zhaochun Ren | Maarten de Rijke
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

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Hierarchical Variational Memory Network for Dialogue Generation
Hongshen Chen | Zhaochun Ren | Jiliang Tang | Yihong Eric Zhao | Dawei Yin
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

2017

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Inferring Dynamic User Interests in Streams of Short Texts for User Clustering
Shangsong Liang | Zhaochun Ren | Yukun Zhao | Jun Ma | Emine Yilmaz | Maarten de Rijke
2017 Volume 36 Issue 1

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Social Collaborative Viewpoint Regression with Explainable Recommendations
Zhaochun Ren | Shangsong Liang | Piji Li | Shuaiqiang Wang | Maarten de Rijke
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

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Summarizing Answers in Non-Factoid Community Question-Answering
Hongya Song | Zhaochun Ren | Shangsong Liang | Piji Li | Jun Ma | Maarten de Rijke
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

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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

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Leveraging Contextual Sentence Relations for Extractive Summarization Using a Neural Attention Model
Pengjie Ren | Zhumin Chen | Zhaochun Ren | Furu Wei | Jun Ma | Maarten de Rijke
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 Attentive Session-based Recommendation
Jing Li | Pengjie Ren | Zhumin Chen | Zhaochun Ren | Tao Lian | Jun Ma
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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A Concept Language Model for Ad-hoc Retrieval
Bin Zou | Vasileios Lampos | Shangsong Liang | Zhaochun Ren | Emine Yilmaz | Ingemar J. Cox
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017

2016

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Explainable User Clustering in Short Text Streams
Yukun Zhao | Shangsong Liang | Zhaochun Ren | Jun Ma | Emine Yilmaz | Maarten de Rijke
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Time-aware Multi-Viewpoint Summarization of Multilingual Social Text Streams
Zhaochun Ren | Oana Inel | Lora Aroyo | Maarten de Rijke
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2015

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Mining and ranking users' intents behind queries
Pengjie Ren | Zhumin Chen | Jun Ma | Shuaiqiang Wang | Zhiwei Zhang | Zhaochun Ren
2015 Volume 18 Issue 6

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The University of Amsterdam (ILPS) at TREC 2015 Total Recall Track
David van Dijk | Zhaochun Ren | Evangelos Kanoulas | Maarten de Rijke
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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Summarizing Contrastive Themes via Hierarchical Non-Parametric Processes
Zhaochun Ren | Maarten de Rijke
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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Fusion helps diversification
Shangsong Liang | Zhaochun Ren | Maarten de Rijke
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Hierarchical multi-label classification of social text streams
Zhaochun Ren | Maria-Hendrike Peetz | Shangsong Liang | Willemijn van Dolen | Maarten de Rijke
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Time-Aware Rank Aggregation for Microblog Search
Shangsong Liang | Zhaochun Ren | Wouter Weerkamp | Edgar Meij | Maarten de Rijke
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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The Impact of Semantic Document Expansion on Cluster-Based Fusion for Microblog Search
Shangsong Liang | Zhaochun Ren | Maarten de Rijke
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

2013

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Ranking-oriented nearest-neighbor based method for automatic image annotation
Chaoran Cui | Jun Ma | Tao Lian | Xiaofang Wang | Zhaochun Ren
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Personalized time-aware tweets summarization
Zhaochun Ren | Shangsong Liang | Edgar Meij | Maarten de Rijke
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

2012

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PRAVDA-live: interactive knowledge harvesting
Yafang Wang | Maximilian Dylla | Zhaochun Ren | Marc Spaniol | Gerhard Weikum
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

2011

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Summarizing web forum threads based on a latent topic propagation process
Zhaochun Ren | Jun Ma | Shuaiqiang Wang | Yang Liu
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011