Lei Zhao

2026

doi dblp
When Temporal Knowledge Graph meets multi-modality: A new perspective for Temporal Knowledge Graph Forecasting.
Gaojie Han|Wei Chen|Xiaofang Zhang|Li Zhang|An Liu|Lei Zhao
Information Processing and Management 2026 Volume 63 Issue 2

2025

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Stamp: Semantic-Aware Sub-trajectory Anomaly Detection with Diffusion Multi-model Pool for Evolving Data Streams.
Biao Chen|Junhua Fang|Pingfu Chao|An Liu|Pengpeng Zhao|Lei Zhao
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
TKHist: Cardinality Estimation for Join Queries via Histograms with Dominant Attribute Correlation Finding.
Renrui Li|Qingzhi Ma|Jiajie Xu|Lei Zhao|An Liu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Federated Approximate Query Processing Based on Deep Models.
Yutong Xie|Qingzhi Ma|Lei Zhao|An Liu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
MAGIC: Noise Mitigation and Knowledge Alignment for Knowledge Graph-Based Multi-modal Recommendation.
Shijie Zhu|Yan Zhang|Li Zhang|Xi Chen|Lei Zhao
Proceedings of the 2025 International Conference on Multimedia Retrieval, ICMR 2025, Chicago, IL, USA, 30 June 2025 - 3 July 2025

2024

doi dblp
Safety: A spatial and feature mixed outlier detection method for big trajectory data.
Yang Wu|Junhua Fang|Wei Chen|Pengpeng Zhao|Lei Zhao
Information Processing and Management 2024 Volume 61 Issue 2
doi dblp
HPS: A novel heuristic hierarchical pruning strategy for dynamic top-k trajectory similarity query.
Tianyi Gu|Junhua Fang|Zhicheng Pan|Yang Wu|Yi Ban|Pingfu Chao|Lei Zhao
Information Processing and Management 2024 Volume 61 Issue 6
doi dblp
KMCT: k-Means Clustering of Trajectories Efficiently in Location-Based Services.
Yuanjun Liu|Shiting Wen|Ee-Peng Lim|Guanfeng Liu|Qingzhi Ma|Lei Zhao|Viet-An Nguyen|Zhixu Li|An Liu|Aixin Sun|Ee-Peng Lim|Shiting Wen|Viet-An Nguyen|Lei Zhao|An Liu|Aixin Sun
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

2023

doi dblp
LIFOSS: a learned index scheme for streaming scenarios.
Tong Yu|Guanfeng Liu|An Liu|Zhixu Li|Lei Zhao
World Wide Web (WWW) 2023 Volume 26 Issue 1
doi dblp
Feature selection based on absolute deviation factor for text classification.
Lingbin Jin|Li Zhang|Lei Zhao
Information Processing and Management 2023 Volume 60 Issue 3
doi dblp
TULRN: Trajectory user linking on road networks.
Yu Sang|Zhenping Xie|Wei Chen|Lei Zhao
World Wide Web (WWW) 2023 Volume 26 Issue 4
doi dblp
Quaternion-based graph convolution network for recommendation.
Yaxing Fang|Pengpeng Zhao|Guanfeng Liu|Yanchi Liu|Victor S. Sheng|Lei Zhao|Xiaofang Zhou
World Wide Web (WWW) 2023 Volume 26 Issue 5
doi dblp
Hybrid Enhancement-based prototypical networks for few-shot relation classification.
Lei Wang|Jianfeng Qu|Tianyu Xu|Zhixu Li|Wei Chen|Jiajie Xu|Lei Zhao
World Wide Web (WWW) 2023 Volume 26 Issue 5
doi dblp
Ensemble Modeling with Contrastive Knowledge Distillation for Sequential Recommendation.
Hanwen Du|Huanhuan Yuan|Pengpeng Zhao|Fuzhen Zhuang|Guanfeng Liu|Lei Zhao|Yanchi Liu|Victor S. Sheng
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
DREAM: Adaptive Reinforcement Learning based on Attention Mechanism for Temporal Knowledge Graph Reasoning.
Shangfei Zheng|Hongzhi Yin|Tong Chen|Quoc Viet Hung Nguyen|Wei Chen|Lei Zhao
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
Long-Document Cross-Lingual Summarization.
Shaohui Zheng|Zhixu Li|Jiaan Wang|Jianfeng Qu|An Liu|Lei Zhao|Zhigang Chen
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.

2022

doi dblp
Contrastive Learning with Bidirectional Transformers for Sequential Recommendation.
Hanwen Du|Hui Shi|Pengpeng Zhao|Deqing Wang|Victor S. Sheng|Yanchi Liu|Guanfeng Liu|Lei Zhao
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Aries: Accurate Metric-based Representation Learning for Fast Top-k Trajectory Similarity Query.
Chunhui Feng|Zhicheng Pan|Junhua Fang|Jiajie Xu|Pengpeng Zhao|Lei Zhao
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Drive Less but Finish More: Food Delivery based on Multi-Level Workers in Spatial Crowdsourcing.
Xiaojia Xu|An Liu|Guanfeng Liu|Zhixu Li|Lei Zhao
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Evidence-aware Document-level Relation Extraction.
Tianyu Xu|Wen Hua|Jianfeng Qu|Zhixu Li|Jiajie Xu|An Liu|Lei Zhao
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Knowledge Enhanced Sports Game Summarization.
Jiaan Wang|Zhixu Li|Tingyi Zhang|Duo Zheng|Jianfeng Qu|An Liu|Lei Zhao|Zhigang Chen
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

2021

doi dblp
Solutions for concurrency conflict problem on Hyperledger Fabric.
Lu Xu|Wei Chen|Zhixu Li|Jiajie Xu|An Liu|Lei Zhao
World Wide Web (WWW) 2021 Volume 24 Issue 1
doi dblp
Handling conditional queries and data storage on Hyperledger Fabric efficiently.
Tianlu Yan|Wei Chen|Pengpeng Zhao|Zhixu Li|An Liu|Lei Zhao
World Wide Web (WWW) 2021 Volume 24 Issue 1
doi dblp
HOPE: a hybrid deep neural model for out-of-town next POI recommendation.
Huimin Sun|Jiajie Xu|Rui Zhou|Wei Chen|Lei Zhao|Chengfei Liu
World Wide Web (WWW) 2021 Volume 24 Issue 5
doi dblp
EEUPL: Towards effective and efficient user profile linkage across multiple social platforms.
Manman Wang|Weiqing Wang|Wei Chen|Lei Zhao
World Wide Web (WWW) 2021 Volume 24 Issue 5
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
TAML: A Traffic-aware Multi-task Learning Model for Estimating Travel Time.
Jia-Jie Xu|Saijun Xu|Rui Zhou|Chengfei Liu|An Liu|Lei Zhao
ACM Transactions on Intelligent Systems and Technology (TIST) 2021 Volume 12 Issue 6
doi dblp
Meta-Learning Based Hyper-Relation Feature Modeling for Out-of-Knowledge-Base Embedding.
Yufeng Zhang|Weiqing Wang|Wei Chen|Jiajie Xu|An Liu|Lei Zhao
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
When Hardness Makes a Difference: Multi-Hop Knowledge Graph Reasoning over Few-Shot Relations.
Shangfei Zheng|An Liu|Lei Wu|Wei Chen|Junhua Fang|Zhiwei Li|Mingjing Li|Pengpeng Zhao|Lei Zhao|An Liu|Lei Wu|Zhiwei Li|Junhua Fang|Mingjing Li|Lei Zhao
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

doi dblp
SGPM: a privacy protected approach of time-constrained graph pattern matching in cloud.
Jinjing Huang|Wei Chen|Zhixu Li|Pengpeng Zhao|Weiqing Wang|Hongzhi Yin|Lei Zhao
World Wide Web (WWW) 2020 Volume 23 Issue 1
doi dblp
A crowd-efficient learning approach for NER based on online encyclopedia.
Maolong Li|Zhixu Li|Qiang Yang|Zhigang Chen|Pengpeng Zhao|Lei Zhao
World Wide Web (WWW) 2020 Volume 23 Issue 1
doi dblp
Spatial crowdsourcing based on Web mapping services.
Detian Zhang|Shiting Wen|Fei Chen|Zhixu Li|Lei Zhao
World Wide Web (WWW) 2020 Volume 23 Issue 1
doi dblp
Cluster query: a new query pattern on temporal knowledge graph.
Jinjing Huang|Wei Chen|An Liu|Weiqing Wang|Hongzhi Yin|Lei Zhao
World Wide Web (WWW) 2020 Volume 23 Issue 2
doi dblp
Geographical address representation learning for address matching.
Shuangli Shan|Zhixu Li|Qiang Yang|An Liu|Lei Zhao|Guanfeng Liu|Zhigang Chen
World Wide Web (WWW) 2020 Volume 23 Issue 3
doi dblp
End-to-end relation extraction based on bootstrapped multi-level distant supervision.
Ying He|Zhixu Li|Qiang Yang|Zhigang Chen|An Liu|Lei Zhao|Xiaofang Zhou
World Wide Web (WWW) 2020 Volume 23 Issue 5
doi dblp
Extracting representative user subset of social networks towards user characteristics and topological features.
Yiming Zhou|Yuehui Han|An Liu|Zhixu Li|Hongzhi Yin|Wei Chen|Lei Zhao
World Wide Web (WWW) 2020 Volume 23 Issue 5

2019

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
A novel hybrid publication recommendation system using compound information.
Qiang Yang|Zhixu Li|An Liu|Guanfeng Liu|Lei Zhao|Xiangliang Zhang|Min Zhang|Xiaofang Zhou
World Wide Web (WWW) 2019 Volume 22 Issue 6

2017

doi dblp
A feature based method for trajectory dataset segmentation and profiling.
Wei Jiang|Jie Zhu|Jiajie Xu|Zhixu Li|Pengpeng Zhao|Lei Zhao
World Wide Web (WWW) 2017 Volume 20 Issue 1
doi dblp
Effective and efficient trajectory outlier detection based on time-dependent popular route.
Jie Zhu|Wei Jiang|An Liu|Guanfeng Liu|Lei Zhao
World Wide Web (WWW) 2017 Volume 20 Issue 1
doi dblp
Exploiting Spatio-Temporal User Behaviors for User Linkage.
Wei Chen|Hongzhi Yin|Weiqing Wang|Lei Zhao|Wen Hua|Xiaofang Zhou
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
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