An Liu

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

doi dblp

Forget Me, Not My Friends! Object Unlearning Based on Scene Graphs.

Chenhan Zhang|Benjamin Zi Hao Zhao|Hassan Asghar|Weiqi Wang|An Liu|Dali Kaafar

Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

2025

doi dblp

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

DDE-CLIP: Detail-Guided Dual-Modal Enhancement for Zero-Shot Anomaly Detection.

Zehao Deng|Qingzhi Ma|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

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

TAPE: Tailored Posterior Difference for Auditing of Machine Unlearning.

Weiqi Wang|Zhiyi Tian|An Liu|Shui Yu

Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

doi dblp

CLR2G: Cross modal Contrastive Learning on Radiology Report Generation.

Hongchen Xue|Qingzhi Ma|Guanfeng Liu|Jianfeng Qu|Yuanjun Liu|An Liu

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

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

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

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.

Lei Wu|Shangfei Zheng|An Liu|Zhiwei Li|Junhua Fang|Wei Chen|Pengpeng Zhao|Mingjing Li|Lei Zhao|Lei Wu|An Liu|Junhua Fang|Zhiwei Li|Lei Zhao|Mingjing Li

CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

doi dblp

Guest editorial: special issue on trust, privacy, and security in crowdsourcing computing.

An Liu|Guanfeng Liu|Mehmet A. Orgun|Qing Li

World Wide Web (WWW) 2020 Volume 23 Issue 1

doi dblp

Distributed and parallel processing for real-time and dynamic spatio-temporal graph.

Junhua Fang|Jiafeng Ding|Pengpeng Zhao|Jiajie Xu|An Liu|Zhixu Li

World Wide Web (WWW) 2020 Volume 23 Issue 2

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

User experience-driven secure task assignment in spatial crowdsourcing.

Wei Peng|An Liu|Zhixu Li|Guanfeng Liu|Qing Li

World Wide Web (WWW) 2020 Volume 23 Issue 3

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

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

Protecting multi-party privacy in location-aware social point-of-interest recommendation.

Weiqi Wang|An Liu|Zhixu Li|Xiangliang Zhang|Qing Li|Xiaofang Zhou

World Wide Web (WWW) 2019 Volume 22 Issue 2

doi dblp

Effective shortest travel-time path caching and estimating for location-based services.

Detian Zhang|An Liu|Zhixu Li|Gangyong Jia|Fei Chen|Qing Li

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

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

2018

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

2017

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

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

Location-aware publish/subscribe index with complex boolean expressions.

Pengpeng Zhao|Hanhan Jiang|Jiajie Xu|Victor S. Sheng|Guanfeng Liu|An Liu|Jian Wu|Zhiming Cui

World Wide Web (WWW) 2017 Volume 20 Issue 6

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

2008

doi dblp

A logical framework for modeling and reasoning about semantic web services contract.

Hai Liu|Qing Li|Naijie Gu|An Liu

Proceedings of the 17th International Conference on World Wide Web, WWW 2008, Beijing, China, April 21-25, 2008