Selected Publications

Full list of publications: [Google Scholar] [DBLP] (* indicates co-first author)

2020
VLDB'20
new 		Efficient and Effective Similar Subtrajectory Search with Deep Reinforcement Learning
Zheng Wang, Cheng Long, Gao Cong, Yiding Liu.
In Proceedings of the VLDB Endowment, 2020. (code) (slides) (video)
SIGMOD'20
new 		Architecture-Intact Oracle for Fastest Path and Time Queries on Dynamic Spatial Networks
Victor Junqiu Wei, Raymond Chi-Wing Wong, and Cheng Long.
In ACM SIGMOD international conference on Management of data, 2020. (slides) (video (youtube))
(Nominee of the Best Paper Award)
KDD'20
new 		Doing in One Go: Delivery Time Inference Based on Couriers' Trajectories
Sijie Ruan, Zi Xiong, Cheng Long, Yiheng Chen, Jie Bao, Tianfu He, Ruiyuan Li, Shengnan Wu, Zhongyuan Jiang, and Yu Zheng.
In ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2020. [Applied Data Science track] (slides) (video)
CIKM'20
new 		Generating Full Spatiotemporal Vehicular Paths: A Data Fusion Approach
Nan Xiao, Nan Hu, Liang Yu, Cheng Long
In Proceedings of the 29th ACM International Conference on Information & Knowledge Management, 2020. [Applied research track]
CIKM'20
new 		Multi-Channel Sellers Traffic Allocation in Large-scale E-commerce Promotion
Shen Xin, Yizhou Ye, Martin Ester, Cheng Long, Jie Zhang, Zhao Li, Kaiying Yuan, Yanghua Li
In Proceedings of the 29th ACM International Conference on Information & Knowledge Management, 2020. [Applied research track]
AAAI'20 Learning to Generate Maps from Trajectories
Sijie Ruan, Cheng Long, Jie Bao, Chunyang Li, Zisheng Yu, Ruiyuan Li, Yuxuan Liang, Tianfu He, and Yu Zheng.
In Thirty-Fourth AAAI Conference on Artificial Intelligence, 2020. [Oral] (slides) (video)
WSDM'20 Context-aware Deep Model for Joint Mobility and Time Prediction
Yile Chen, Cheng Long, Gao Cong, and Chenliang Li.
In ACM International Conference on Web Search and Data Mining, 2020. [Oral] (slides) (video)

2019
KDD'19 Effective and Efficient Sports Play Retrieval with Deep Representation Learning
Zheng Wang, Cheng Long, Gao Cong, and Ce Ju.
In ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2019. [Oral] (code) (slides) (video)
ICDE'19 Fraction-Score: A New Support Measure for Co-location Pattern Mining
Harry Kai-Ho Chan, Cheng Long, Da Yan, and Raymond Chi-Wing Wong.
In IEEE International Conference on Data Engineering, 2019. (code) (slides)
ICDE'19 Adaptive Dynamic Bipartite Graph Matching: A Reinforcement Learning Approach
Yansheng Wang, Yongxin Tong, Cheng Long, Pan Xu, Ke Xu, and Weifeng Lv.
In IEEE International Conference on Data Engineering, 2019. (slides)
TKDE On Nearby-Fit Spatial Keyword Queries
Victor Junqiu Wei, Raymond Chi-Wing Wong, Cheng Long, and Pan Hui.
In IEEE Transactions on Knowledge and Data Engineering, 2019. (video)

2018
SIGMOD'18 Efficient k-Regret Query Algorithm with Restriction-free Bound for any Dimensionality
Min Xie, Raymond Chi-Wing Wong, Jian Li, Cheng Long, and Ashwin Lall.
In ACM SIGMOD international conference on Management of data, 2018.
EDBT'18 Counting Edges with Target Labels in Online Social Networks via Random Walk
Yang Wu, Cheng Long, Ada Wai-Chee Fu, and Zitong Chen.
In 21st International Conference on Extending Database Technology, 2018.
TKDE On Generalizing Collective Spatial Keyword Queries
Harry Kai-Ho Chan, Cheng Long, and Raymond Chi-Wing Wong.
In IEEE Transactions on Knowledge and Data Engineering, 2018.
TKDD Profit Maximization with Sufficient Customer Satisfactions
Cheng Long, Raymond Chi-Wing Wong, and Victor Junqiu Wei.
In ACM Transactions on Knowledge Discovery from Data, 2018.

2017 and before
SIGMOD'17 Distance Oracle on Terrain Surface
Victor Junqiu Wei, Raymond Chi-Wing Wong, Cheng Long, and David M. Mount.
In ACM SIGMOD international conference on Management of data, 2017.
SSTD'17 Inherent-Cost Aware Collective Spatial Keyword Queries
Harry Kai-Ho Chan, Cheng Long, and Raymond Chi-Wing Wong.
In The International Symposium on Spatial and Temporal Databases, 2017.
VLDB'15 Trajectory Simplification: On Minimizing the Direction-based Error
Cheng Long, Raymond Chi-Wing Wong, and H. V. Jagadish.
In Proceedings of the VLDB Endowment, 2015.
ICDM'15 Trend-MC: A Melody Composer by Constructing from Frequent Trend-based Patterns
Cheng Long, Raymond Chi-Wing Wong, and Raymond Ka Wai Sze.
In IEEE International Conference on Data Mining, 2015. [demo]
TODS Optimal Location Queries in Road Networks
Zitong Chen, Yubao Liu, Raymond Chi-Wing Wong, Jiamin Xiong, Ganglin Mai, and Cheng Long.
In ACM Transactions on Database Systems, 2015.
SIGMOD'14 Hypersphere Dominance: An Optimal Approach
Cheng Long, Raymond Chi-Wing Wong, Bin Zhang, and Min Xie.
In ACM SIGMOD international conference on Management of data, 2014.
SIGMOD'14 Efficient Algorithms for Optimal Location Queries in Road Networks
Zitong Chen, Yubao Liu, Raymond Chi-Wing Wong, Jiamin Xiong, Ganglin Mai, and Cheng Long.
In ACM SIGMOD international conference on Management of data, 2014.
VLDB'14 Terrain-Toolkit: A Multi-Functional Tool for Terrain Data
Qi Wang, Manohar Kaul, Cheng Long, and Raymond Chi-Wing Wong.
In Proceedings of the VLDB Endowment, 2014. [demo]
ICDM'14 Visual-VM: A Social Network Visualization Tool for Viral Marketing
Cheng Long and Raymond Chi-Wing Wong.
In IEEE International Conference on Data Mining, 2014. [demo]
SDM'14 A New Framework for Traffic Anomaly Detection
Jinsong Lan, Cheng Long, Raymond Chi-Wing Wong, Youyang Chen, Yanjie Fu, Danhuai Guo, Shuguang Liu, Yong Ge, Yuanchun Zhou, and Jianhui Li.
In SIAM International Conference on Data Mining, 2014.
SIGMOD'13 On Optimal Worst-Case Matching
Cheng Long, Raymond Chi-Wing Wong, Philip S. Yu, and Minhao Jiang.
In ACM SIGMOD international conference on Management of data, 2013.
SIGMOD'13 Collective Spatial Keyword Queries: A Distance Owner-Driven Approach
Cheng Long, Raymond Chi-Wing Wong, Ke Wang, and Ada Wai-Chee Fu.
In ACM SIGMOD international conference on Management of data, 2013.
VLDB'13 Direction-Preserving Trajectory Simplification
Cheng Long, Raymond Chi-Wing Wong, and H. V. Jagadish.
In Proceedings of the VLDB Endowment, 2013.
ICDE'13 T-Music: A Melody Composer based on Frequent Pattern Mining
Cheng Long, Raymond Chi-Wing Wong, and Raymond Ka Wai Sze.
In IEEE International Conference on Data Engineering, 2013. [demo]
ICDM'13 On Good and Fair Paper-Reviewer Assignment
Cheng Long, Raymond Chi-Wing Wong, Yu Peng, and Liangliang Ye.
In IEEE International Conference on Data Mining, 2013.
ICDM'11 Minimizing Seed Set for Viral Marketing
Cheng Long and Raymond Chi-Wing Wong.
In IEEE International Conference on Data Mining, 2011.