Selected Recent Publications

[DBLP Entry] [Google Scholar Profile]

Data Management & Machine Learning

Kaiyu Li, Xiaohui Yu, Jian Pei: CDA: Cost-Sensitive Data Acquisition for Incomplete Datasets, to appear in Proceedings of the IEEE International Conference on Data Engineering (ICDE 2025).
Kaiwen Chen, Yueting Chen, Nick Koudas, Xiaohui Yu: Reliable Text-to-SQL with Adaptive Abstention, to appear in Proceedings of the ACM on Management of Data (SIGMOD 2025).
Daren Chao, Yueting Chen, Nick Koudas, Xiaohui Yu: Optimizing Video Queries with Declarative CLUEs, in Proceedings of the VLDB Endowment, Vol. 17, 2024 (VLDB 2024).
Daren Chao, Nick Koudas, Xiaohui Yu, Yueting Chen: Ensembling Object Detectors for Effective Video Query Processing, to appear in Proceedings of the International Conference on Extending Database Technology (EDBT 2025).
Yifan Li, Xiaohui Yu, Nick Koudas: Data Acquisition for Improving Model Confidence, in Proceedings of the ACM on Management of Data (SIGMOD 2024), Vol. 2, No. 3, Article 131. (author's copy)
Chaohong Ma, Xiaohui Yu, Yifan Li, Xiaofeng Meng, Maoliniyazi Aishan: FILM: a Fully Learned Index for Larger-than-Memory Databases, in Proceedings of the VLDB Endowment, Vol. 16, No. 3, pages 561 - 573, 2023 (VLDB 2023).
Yifan Li, Xiaohui Yu, Nick Koudas, Shu Lin, Chong Chen, Calvin Sun: dbET: Execution Time Distribution-based Plan Selection, in Proceedings of the ACM on Management of Data, 1(1): 31:1-31:26 (SIGMOD 2023).
Daren Chao, Nick Koudas, Xiaohui Yu: Marshalling Model Inference In Video Streams, in Proceedings of the IEEE International Conference on Data Engineering (ICDE 2023): 1379-1392.
Daren Chao, Yueting Chen, Nick Koudas, Xiaohui Yu: Track Merging for Effective Video Query Processing, in Proceedings of the IEEE International Conference on Data Engineering (ICDE 2023): 164-176.
Yueting Chen, Nick Koudas, Xiaohui Yu, Ziqiang Yu: Spatial and Temporal Constrained Ranked Retrieval over Videos, in Proceedings of the VLDB Endowment, Vol. 15, No. 11, 2022 (VLDB 2022)
Yueting Chen, Xiaohui Yu, Nick Koudas: Ranked Window Query Retrieval over Video Repositories, in Proceedings of the IEEE International Conference on Data Engineering (ICDE 2022).
Yifan Li, Xiaohui Yu, Nick Koudas: LES3: Learning-based Exact Set Similarity Search, in Proceedings of VLDB Endowment, Vol. 14, 2021 (VLDB 2021).
Yifan Li, Xiaohui Yu, Nick Koudas: Data Acquisition for Improving Machine Learning Models, in Proceedings of the VLDB Endowment, 14(10):1832 - 1844, 2021 (VLDB 2021). (preprint)
Yueting Chen, Xiaohui Yu, Nick Koudas, Ziqiang Yu: Evaluating Temporal Queries Over Video Feeds, in Proceedings of the ACM SIGMOD Conference on Management of Data (SIGMOD 2021): 287-299. (Technical Report)
Zhaoyue Cheng, Nick Koudas, Zhe Zhang, Xiaohui Yu: Efficient Construction of Nonlinear Models over Normalized Data, in Proceedings of the IEEE International Conference on Data Engineering (ICDE 2021):1140-1151. (Technical Report).
Yueting Chen, Xiaohui Yu, Nick Koudas: TQVS: Temporal Queries over Video Streams in Action. Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD 2020): 2737-2740. (Demo Paper)
Yunhai Wang, Kang Feng, Xiaowei Chu, Jian Zhang, Chi-Wing Fu, Michael Sedlmair, Xiaohui Yu, Baoquan Chen: A Perception-Driven Approach to Supervised Dimensionality Reduction for Visualization. IEEE Transactions on Visualization and Computer Graphics (TVCG) 24(5): 1828-1840 (2018)

Spatio-Temporal Data Management & Mining

ST Data Management

Ziqiang Yu, Xiaohui Yu, Tao Zhou, Yueting Chen, Yang Liu, Bohan Li. ODIN: Object Density Aware Indexing for CkNN Query Processing over Moving Objects, in IEEE Transactions on Knowledge and Data Engineering (TKDE), accepted, December 2023.
Ziqiang Yu, Xiaohui Yu, Nick Koudas, Yueting Chen, Yang Liu. A Distributed Solution for Efficient K Shortest Paths Computation Over Dynamic Road Networks, in IEEE Transactions on Knowledge and Data Engineering (TKDE), 36(7): 2759-2773, July 2024. (author's version)
Yunhai Wang, Yuchun Wang, Xin Chen, Yue Zhao, Fan Zhang, Eugene Wu, Chi-Wing Fu, Xiaohui Yu: OM³: An Ordered Multi-level Min-Max Representation for Interactive Progressive Visualization of Time Series, in Proceedings of the ACM on Management of Data 1(2): 145:1-145:24 (SIGMOD 2023).
Ziqiang Yu, Xiaohui Yu, Nick Koudas, Yang Liu, Yifan Li, Yueting Chen, Dingyu Yang: Distributed Processing of k Shortest Path Queries over Dynamic Road Networks. Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD 2020): 665-679. (full technical report)
Yifan Li, Xiaohui Yu, Nick Koudas: Top-K Queries over Digital Traces. Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD 2019): 954-971. [Publisher Version]
Xingcan Cui, Xiaohui Yu, Xiaofang Zhou, Jiong Guo: ID Repair for Trajectories with Transition Graphs. Proceedings of the 21st International Conference on Extending Database Technology (EDBT 2018), March 26-29, 2018.

ST Data Mining

Ronghui Xu, Meng Chen, Yongshun Gong, Yang Liu, Xiaohui Yu, Liqiang Nie: TME: Tree-guided Multi-task Embedding Learning towards Semantic Venue Annotation, ACM Transactions on Information Systems (TOIS) 41(4): 112:1-112:24, 2023
Haoran Xu, Ronghui Xu, Meng Chen, Yang Liu, Xiaohui Yu: CAVE-SC: Inferring Categories for Venues Using Check-ins, Information Sciences, Vol. 611, September 2022: 159-172.
Tianao Sun, Kai Zhao, Chao Zhang, Meng Chen, Xiaohui Yu: PR-LTTE: Link Travel Time Estimation Based on Path Recovery from Large-scale Incomplete Trip Data, Information Sciences, Vol. 589, 2022: 34-45.
Ning An, Meng Chen, Li Lian, Peng Li, Kai Zhang, Xiaohui Yu, Yilong Yin: Enabling the interpretability of pretrained venue representations using semantic categories, Knowledge-Based Systems, Vol. 235, January 2022: 107623.
Meng Chen, Lei Zhu, Ronghui Xu, Yang Liu, Xiaohui Yu, Yilong Yin: Embedding Hierarchical Structures for Venue Category Representation, ACM Transactions on Information Systems (TOIS), 40(3): Article 57, 2022.
Xiaoyi Jia, Xiaoyu Dong, Meng Chen, Xiaohui Yu: Missing Data Imputation for Traffic Congestion Data Based on Joint Matrix Factorization, Knowledge-Based Systems, Vol. 225, August 2021.
Min Liu, Zhaohui Peng, Xiaohui Yu, Senzhang Wang, Qiao Song: LDFeRR: A Fuel-efficient Route Recommendation Approach for Long-distance Driving Based on Historical Trajectories, in Proceedings of the 2021 SIAM International Conference on Data Mining (SDM 2021): 73-81.
Meng Chen, Qingjie Liu, Weiming Huang, Teng Zhang, Yixuan Zuo, Xiaohui Yu: Origin-aware Location Prediction Based on Historical Vehicle Trajectories, to appear in ACM Transactions on Intelligent Systems and Technology (TIST).
Meng Chen, Yan Zhao, Yang Liu, Xiaohui Yu, Kai Zheng: Modeling Spatial Trajectories with Attribute Representation Learning, IEEE Transactions on Knowledge and Data Engineering (TKDE), early access, 2020
Meng Chen, Yixuan Zuo, Xiaoyi Jia, Yang Liu, Xiaohui Yu, Kai Zheng: CEM: A Convolutional Embedding Model for Predicting Next Locations, in IEEE Trans. Intelligent Transportation Systems (T-ITS), 22(6): 3349-3358, 2021
Meng Chen, Xiaohui Yu, Yang Liu: TraLFM: Latent Factor Modeling of Traffic Trajectory Data. IEEE Trans. Intelligent Transportation Systems (T-ITS), 20(12), 4624 - 4634 (2019). [Publisher Version]
Meng Chen, Xiaohui Yu, Yang Liu: MPE: A Mobility Pattern Embedding Model for Predicting Next Locations. World Wide Web, 22(6), 2901-2920 (2019)
Meng Chen, Xiaohui Yu, Yang Liu: PCNN: Deep Convolutional Networks for Short-Term Traffic Congestion Prediction. IEEE Trans. Intelligent Transportation Systems (T-ITS), 19(11): 3550-3559 (2018)

Keyword Search, Natural Language Processing

Omer Tal, Yang Liu, Jimmy Huang, Xiaohui Yu, Bushra Aljbawi: Neural Attention Frameworks for Explainable Recommendation. IEEE Transactions on Knowledge and Data Engineering (TKDE), 33(5):2137-2150, 2021
Jianhua Yin, Daren Chao, Zhongkun Liu, Wei Zhang, Xiaohui Yu, Jianyong Wang: Model-based Clustering of Short Text Streams. Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining (KDD 2018): 2634-2642
Meng Chen, Xiaoyi Jia, Elizabeth Gorbonos, Chnh T. Hong, Xiaohui Yu, Yang Liu: Eating Healthier: Exploring Nutrition Information for Healthier Recipe Recommendation. Information Processing & Management (IP&M), 57(6): 102051 (2020) [Publisher Version]
Xiaohui Yu, Ziqiang Yu, Yang Liu, Huxia Shi: CI-Rank: Collective Importance Ranking for Keyword Search in Databases. Information Sciences, Volume 384: 1-20 (2017)