Kai Zheng

2026

doi dblp
VisionST: Coordinating Cross-modal Traffic Prediction with Interactive Geo-image Encoding.
Jinwen Chen|Hao Miao|Chenxi Liu|Yan Zhao|Kai Zheng
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.
doi dblp
Efficient High-Dimensional Time Series Forecasting with Transformers: A Channel Reordering Perspective.
Yuchen Fang|Shiyu Wang|Yuxuan Liang|Zhou Ye|Yang Xiang|Yan Zhao|Kai Zheng
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.
doi dblp
Evolving Proxy Kills Drift: Data-Efficient Streaming Time Series Anomaly Detection.
Qing Wei|Hao Miao|Yan Zhao|Kai Zheng|Bin Yang|Volker Markl|Christian S. Jensen
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
The International Workshop on Spatio-Temporal Data Intelligence and Foundation Models.
Hao Miao|Yan Zhao|Yuxuan Liang|Bin Yang|Kai Zheng|Christian S. Jensen
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Enhancing Multi-Behavior Sequential Recommenders with Behavior-Aware Regularization.
Yongfu Fan|Jin Chen|Yangzixuan Jiao|Ximu Zeng|Liwei Deng|Kai Zheng
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Traffic Safety Evaluation Based on Macroscopic Traffic Features in Road Tunnels.
Yupu Zhang|Lei Jia|Hao Miao|Weizhu Qian|Yan Zhao|Kai Zheng
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Retrieval Augmented Generation with Collaborative Filtering for Personalized Text Generation.
Teng Shi|Jun Xu|Xiao Zhang|Xiaoxue Zang|Kai Zheng|Yang Song|Han Li
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
ReARTeR: Retrieval-Augmented Reasoning with Trustworthy Process Rewarding.
Zhongxiang Sun|Qipeng Wang|Weijie Yu|Xiaoxue Zang|Kai Zheng|Jun Xu|Xiao Zhang|Yang Song|Han Li
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
Diversity-aware Dual-promotion Poisoning Attack on Sequential Recommendation.
Yuchuan Zhao|Tong Chen|Junliang Yu|Kai Zheng|Lizhen Cui|Hongzhi Yin
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
DimeRec: A Unified Framework for Enhanced Sequential Recommendation via Generative Diffusion Models.
Wuchao Li|Rui Huang|Haijun Zhao|Chi Liu|Kai Zheng|Qi Liu|Na Mou|Guorui Zhou|Defu Lian|Yang Song|Wentian Bao|Enyun Yu|Wenwu Ou
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
doi dblp
LargePiG for Hallucination-Free Query Generation: Your Large Language Model is Secretly a Pointer Generator.
Zhongxiang Sun|Zihua Si|Xiaoxue Zang|Kai Zheng|Yang Song|Xiao Zhang|Jun Xu
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
doi dblp
On-device Content-based Recommendation with Single-shot Embedding Pruning: A Cooperative Game Perspective.
Hung Vinh Tran|Tong Chen|Guanhua Ye|Quoc Viet Hung Nguyen|Kai Zheng|Hongzhi Yin
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
doi dblp
LIRA: A Learning-based Query-aware Partition Framework for Large-scale ANN Search.
Ximu Zeng|Liwei Deng|Penghao Chen|Xu Chen|Han Su|Kai Zheng
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

doi dblp
When large language models meet personalization: perspectives of challenges and opportunities.
Jin Chen|Zheng Liu|Xu Huang|Chenwang Wu|Qi Liu|Gangwei Jiang|Yuanhao Pu|Yuxuan Lei|Xiaolong Chen|Xingmei Wang|Kai Zheng|Defu Lian|Enhong Chen
World Wide Web (WWW) 2024 Volume 27 Issue 4
doi dblp
Towards Online and Safe Configuration Tuning with Semi-supervised Anomaly Detection.
Haitian Chen|Xu Chen|Zibo Liang|Xiushi Feng|Jiandong Xie|Han Su|Kai Zheng
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
TWIN V2: Scaling Ultra-Long User Behavior Sequence Modeling for Enhanced CTR Prediction at Kuaishou.
Zihua Si|Lin Guan|Zhongxiang Sun|Xiaoxue Zang|Jing Lu|Yiqun Hui|Xingchao Cao|Zeyu Yang|Yichen Zheng|Dewei Leng|Kai Zheng|Chenbin Zhang|Yanan Niu|Yang Song|Kun Gai
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
Large Language Models Enhanced Collaborative Filtering.
Zhongxiang Sun|Zihua Si|Xiaoxue Zang|Kai Zheng|Yang Song|Xiao Zhang|Jun Xu
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
A Cause-Focused Query Optimizer Alert System.
Runfan Ye|Zibo Liang|Xu Chen|Shuncheng Liu|Kai Zheng
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
UniSAR: Modeling User Transition Behaviors between Search and Recommendation.
Teng Shi|Zihua Si|Jun Xu|Xiao Zhang|Xiaoxue Zang|Kai Zheng|Dewei Leng|Yanan Niu|Yang Song
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
Poisoning Decentralized Collaborative Recommender System and Its Countermeasures.
Ruiqi Zheng|Liang Qu|Tong Chen|Kai Zheng|Yuhui Shi|Hongzhi Yin
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
Physical Trajectory Inference Attack and Defense in Decentralized POI Recommendation.
Jing Long|Tong Chen|Guanhua Ye|Kai Zheng|Quoc Viet Hung Nguyen|Hongzhi Yin
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
doi dblp
Full Stage Learning to Rank: A Unified Framework for Multi-Stage Systems.
Kai Zheng|Haijun Zhao|Rui Huang|Beichuan Zhang|Na Mou|Yanan Niu|Yang Song|Hongning Wang|Kun Gai
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

doi dblp
ReFRS: Resource-efficient Federated Recommender System for Dynamic and Diversified User Preferences.
Mubashir Imran|Hongzhi Yin|Tong Chen|Quoc Viet Hung Nguyen|Alexander Zhou|Kai Zheng
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3
doi dblp
AdaTaskRec: An Adaptive Task Recommendation Framework in Spatial Crowdsourcing.
Yan Zhao|Liwei Deng|Kai Zheng
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 4
doi dblp
Batch-Mix Negative Sampling for Learning Recommendation Retrievers.
Yongfu Fan|Jin Chen|Yongquan Jiang|Defu Lian|Fangda Guo|Kai Zheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Cross-Scenario Maneuver Decision with Adaptive Perception for Autonomous Driving.
Yuan Fu|Shuncheng Liu|Yuyang Xia|Fangda Guo|Kai Zheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Target-Oriented Maneuver Decision for Autonomous Vehicle: A Rule-Aided Reinforcement Learning Framework.
Ximu Zeng|Quanlin Yu|Shuncheng Liu|Yuyang Xia|Han Su|Kai Zheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Personalized Location-Preference Learning for Federated Task Assignment in Spatial Crowdsourcing.
Xiaolong Zhong|Hao Miao|Dazhuo Qiu|Yan Zhao|Kai Zheng
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Model-Agnostic Decentralized Collaborative Learning for On-Device POI Recommendation.
Jing Long|Tong Chen|Quoc Viet Hung Nguyen|Guandong Xu|Kai Zheng|Hongzhi Yin
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
Continuous Input Embedding Size Search For Recommender Systems.
Yunke Qu|Tong Chen|Xiangyu Zhao|Lizhen Cui|Kai Zheng|Hongzhi Yin
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
Multi-behavior Self-supervised Learning for Recommendation.
Jingcao Xu|Chaokun Wang|Cheng Wu|Yang Song|Kai Zheng|Xiaowei Wang|Changping Wang|Guorui Zhou|Kun Gai
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
Adversarial Autoencoder for Unsupervised Time Series Anomaly Detection and Interpretation.
Xuanhao Chen|Liwei Deng|Yan Zhao|Kai Zheng
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.
doi dblp
S2TUL: A Semi-Supervised Framework for Trajectory-User Linking.
Liwei Deng|Hao Sun|Yan Zhao|Shuncheng Liu|Kai Zheng
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.
doi dblp
Controllable Universal Fair Representation Learning.
Yue Cui|Chen Ma|Kai Zheng|Lei Chen|Xiaofang Zhou
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

doi dblp
Introduction to the Special Issue on Intelligent Trajectory Analytics: Part I.
Kai Zheng|Yong Li|Cyrus Shahabi|Hongzhi Yin
ACM Transactions on Intelligent Systems and Technology (TIST) 2022 Volume 13 Issue 1
doi dblp
Hierarchical Hyperedge Embedding-Based Representation Learning for Group Recommendation.
Lei Guo|Hongzhi Yin|Tong Chen|Xiangliang Zhang|Kai Zheng
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 1
doi dblp
Sequential-Knowledge-Aware Next POI Recommendation: A Meta-Learning Approach.
Yue Cui|Hao Sun|Yan Zhao|Hongzhi Yin|Kai Zheng
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 2
doi dblp
Introduction to the Special Issue on Intelligent Trajectory Analytics: Part II.
Kai Zheng|Yong Li|Cyrus Shahabi|Hongzhi Yin
ACM Transactions on Intelligent Systems and Technology (TIST) 2022 Volume 13 Issue 3
doi dblp
Efficient Learning with Pseudo Labels for Query Cost Estimation.
Shuncheng Liu|Xu Chen|Yan Zhao|Jin Chen|Rui Zhou|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
HeGA: Heterogeneous Graph Aggregation Network for Trajectory Prediction in High-Density Traffic.
Shuncheng Liu|Xu Chen|Ziniu Wu|Liwei Deng|Han Su|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Task Publication Time Recommendation in Spatial Crowdsourcing.
Xuanlei Chen|Yan Zhao|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Efficient Trajectory Similarity Computation with Contrastive Learning.
Liwei Deng|Yan Zhao|Zidan Fu|Hao Sun|Shuncheng Liu|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Loyalty-based Task Assignment in Spatial Crowdsourcing.
Tinghao Lai|Yan Zhao|Weizhu Qian|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Task Assignment with Federated Preference Learning in Spatial Crowdsourcing.
Jiaxin Liu|Liwei Deng|Hao Miao|Yan Zhao|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
RISE: A Velocity Control Framework with Minimal Impacts based on Reinforcement Learning.
Yuyang Xia|Xu Chen|Sophia Ananiadou|Shuncheng Liu|Xu Chen|Sophia Ananiadou|Zhi Xu|Kai Zheng|Han Su
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
MARINA: An MLP-Attention Model for Multivariate Time-Series Analysis.
Jiandong Xie|Yue Cui|Feiteng Huang|Chao Liu|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Outlier Detection for Streaming Task Assignment in Crowdsourcing.
Yan Zhao|Xuanhao Chen|Liwei Deng|Tung Kieu|Chenjuan Guo|Bin Yang|Kai Zheng|Christian S. Jensen
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022
doi dblp
Learning Recommenders for Implicit Feedback with Importance Resampling.
Jin Chen|Defu Lian|Binbin Jin|Kai Zheng|Enhong Chen
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022
doi dblp
Fast Variational AutoEncoder with Inverted Multi-Index for Collaborative Filtering.
Jin Chen|Defu Lian|Binbin Jin|Xu Huang|Kai Zheng|Enhong Chen
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp
Open-world knowledge graph completion with multiple interaction attention.
Lei Niu|Chenpeng Fu|Qiang Yang|Zhixu Li|Zhigang Chen|Qingsheng Liu|Kai Zheng
World Wide Web (WWW) 2021 Volume 24 Issue 1
doi dblp
Implicit relation-aware social recommendation with variational auto-encoder.
Qiqi Zheng|Guanfeng Liu|An Liu|Zhixu Li|Kai Zheng|Lei Zhao|Xiaofang Zhou
World Wide Web (WWW) 2021 Volume 24 Issue 5
doi dblp
Predicting Human Mobility with Reinforcement-Learning-Based Long-Term Periodicity Modeling.
Shuo Tao|Jingang Jiang|Defu Lian|Kai Zheng|Enhong Chen
ACM Transactions on Intelligent Systems and Technology (TIST) 2021 Volume 12 Issue 6
doi dblp
Community-based influence maximization in location-based social network.
Xuanhao Chen|Liwei Deng|Yan Zhao|Xiaofang Zhou|Kai Zheng
World Wide Web (WWW) 2021 Volume 24 Issue 6
doi dblp
Historical Inertia: A Neglected but Powerful Baseline for Long Sequence Time-series Forecasting.
Yue Cui|Jiandong Xie|Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Into the Unobservables: A Multi-range Encoder-decoder Framework for COVID-19 Prediction.
Yue Cui|Chen Zhu|Guanyu Ye|Ziwei Wang|Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
PeriodicMove: Shift-aware Human Mobility Recovery with Graph Neural Network.
Hao Sun|Changjie Yang|Liwei Deng|Fan Zhou|Feiteng Huang|Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Task Assignment with Worker Churn Prediction in Spatial Crowdsourcing.
Ziwei Wang|Yan Zhao|Xuanhao Chen|Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
PATROL: A Velocity Control Framework for Autonomous Vehicle via Spatial-Temporal Reinforcement Learning.
Zhi Xu|Paul Buitelaar|Shuncheng Liu|Zhi Xu|Ziniu Wu|Paul Buitelaar|Xu Chen|Kai Zeng|Kai Zheng|Han Su
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Task Allocation with Geographic Partition in Spatial Crowdsourcing.
Guanyu Ye|Yan Zhao|Xuanhao Chen|Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Learning to Ask Appropriate Questions in Conversational Recommendation.
Xuhui Ren|Hongzhi Yin|Tong Chen|Hao Wang|Zi Huang|Kai Zheng
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Automated Creative Optimization for E-Commerce Advertising.
Jin Chen|Ju Xu|Gangwei Jiang|Tiezheng Ge|Zhiqiang Zhang|Defu Lian|Kai Zheng
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

doi dblp
Temporal paths discovery with multiple constraints in attributed dynamic graphs.
Anqi Zhao|Guanfeng Liu|Bolong Zheng|Yan Zhao|Kai Zheng
World Wide Web (WWW) 2020 Volume 23 Issue 1
doi dblp
Preface to the Special Issue on Graph Data Management in Online Social Networks.
Kai Zheng|Guanfeng Liu|Mehmet A. Orgun|Junping Du
World Wide Web (WWW) 2020 Volume 23 Issue 2
doi dblp
Multi-modal Knowledge Graphs for Recommender Systems.
Rui Sun|Xuezhi Cao|Yan Zhao|Junchen Wan|Kun Zhou|Fuzheng Zhang|Zhongyuan Wang|Kai Zheng
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

2019

doi dblp
Context-aware graph pattern based top-k designated nodes finding in social graphs.
Guanfeng Liu|Qun Shi|Kai Zheng|Zhixu Li|An Liu|Jiajie Xu
World Wide Web (WWW) 2019 Volume 22 Issue 2
doi dblp
An efficient method for top-k graph based node matching.
Guanfeng Liu|Qun Shi|Kai Zheng|An Liu|Zhixu Li|Xiaofang Zhou
World Wide Web (WWW) 2019 Volume 22 Issue 3
doi dblp
Searching activity trajectory with keywords.
Bolong Zheng|Kai Zheng|Peter Scheuermann|Xiaofang Zhou|Quoc Viet Hung Nguyen|Chenliang Li
World Wide Web (WWW) 2019 Volume 22 Issue 3
doi dblp
Spatio-temporal top-k term search over sliding window.
Lisi Chen|Shuo Shang|Bin Yao|Kai Zheng
World Wide Web (WWW) 2019 Volume 22 Issue 5
doi dblp
Towards secure and truthful task assignment in spatial crowdsourcing.
Dongjun Zhai|Yue Sun|An Liu|Zhixu Li|Guanfeng Liu|Lei Zhao|Kai Zheng
World Wide Web (WWW) 2019 Volume 22 Issue 5
doi dblp
Differential private collaborative Web services QoS prediction.
An Liu|Xindi Shen|Zhixu Li|Guanfeng Liu|Jiajie Xu|Lei Zhao|Kai Zheng|Shuo Shang
World Wide Web (WWW) 2019 Volume 22 Issue 6
doi dblp
Personalized Route Description Based On Historical Trajectories.
Han Su|Guanglin Cong|Wei Chen|Bolong Zheng|Kai Zheng
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.

2018

doi dblp
SharkDB: an in-memory column-oriented storage for trajectory analysis.
Bolong Zheng|Haozhou Wang|Kai Zheng|Han Su|Kuien Liu|Shuo Shang
World Wide Web (WWW) 2018 Volume 21 Issue 2
doi dblp
Context-aware trust network extraction in large-scale trust-oriented social networks.
Guanfeng Liu|Yi Liu|An Liu|Zhixu Li|Kai Zheng|Yan Wang|Xiaofang Zhou
World Wide Web (WWW) 2018 Volume 21 Issue 3
doi dblp
Semantic-aware top-k spatial keyword queries.
Zhihu Qian|Jiajie Xu|Kai Zheng|Pengpeng Zhao|Xiaofang Zhou
World Wide Web (WWW) 2018 Volume 21 Issue 3
doi dblp
GeoMF++: Scalable Location Recommendation via Joint Geographical Modeling and Matrix Factorization.
Defu Lian|Kai Zheng|Yong Ge|Longbing Cao|Enhong Chen|Xing Xie
ACM Transactions on Information Systems (TOIS) 2018 Volume 36 Issue 3

2017

doi dblp
Popularity-aware spatial keyword search on activity trajectories.
Kai Zheng|Bolong Zheng|Jiajie Xu|Guanfeng Liu|An Liu|Zhixu Li
World Wide Web (WWW) 2017 Volume 20 Issue 4
doi dblp
Ranking weighted clustering coefficient in large dynamic graphs.
Xuefei Li|Lijun Chang|Kai Zheng|Zi Huang|Xiaofang Zhou
World Wide Web (WWW) 2017 Volume 20 Issue 5
doi dblp
Preface to the special issue on big data search and mining.
Kai Zheng|Feifei Li|Kyuseok Shim
World Wide Web (WWW) 2017 Volume 20 Issue 5
doi dblp
A context-aware approach for trustworthy worker selection in social crowd.
Yang Zhao|Guanfeng Liu|Kai Zheng|An Liu|Zhixu Li|Xiaofang Zhou
World Wide Web (WWW) 2017 Volume 20 Issue 6
doi dblp
CNN-IETS: A CNN-based Probabilistic Approach for Information Extraction by Text Segmentation.
Meng Hu|Zhixu Li|Yongxin Shen|An Liu|Guanfeng Liu|Kai Zheng|Lei Zhao
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
Interactive Spatial Keyword Querying with Semantics.
Jiabao Sun|Jiajie Xu|Kai Zheng|Chengfei Liu
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
Destination-aware Task Assignment in Spatial Crowdsourcing.
Yan Zhao|Yang Li|Yu Wang|Han Su|Kai Zheng
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
Semantic-aware Query Processing for Activity Trajectories.
Huiwen Liu|Jiajie Xu|Kai Zheng|Chengfei Liu|Lan Du|Xian Wu
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

2016

doi dblp
Exploiting Dining Preference for Restaurant Recommendation.
Fuzheng Zhang|Nicholas Jing Yuan|Kai Zheng|Defu Lian|Xing Xie|Yong Rui
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11 - 15, 2016

2015

doi dblp
Making Sense of Spatial Trajectories.
Xiaofang Zhou|Kai Zheng|Hoyoung Jeung|Jiajie Xu|Shazia Sadiq
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015
doi dblp
A Novelty-Seeking based Dining Recommender System.
Fuzheng Zhang|Kai Zheng|Nicholas Jing Yuan|Xing Xie|Enhong Chen|Xiaofang Zhou
Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015

2014

doi dblp
SharkDB: An In-Memory Column-Oriented Trajectory Storage.
Haozhou Wang|Kai Zheng|Jiajie Xu|Bolong Zheng|Xiaofang Zhou|Shazia Sadiq
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014