2024

• DiffCrime: A Multimodal Conditional Diffusion Model for Crime Risk Map Inference
  Shuliang Wang, Xinyu Pan, Sijie Ruan, Haoyu Han, Ziyu Wang, Hanning Yuan, Jiabao Zhu, Qi Li
  in Proceedings of the 30th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'24), 2024.
• Towards Robust Trajectory Representations: Isolating Environmental Confounders with Causal Learning
  Kang Luo, Yuanshao Zhu, Wei Chen, Kun Wang, Zhengyang Zhou, Sijie Ruan and Yuxuan Liang
  in Proceedings of the 33rd International Joint Conference on Artificial Intelligence (IJCAI'24), 2024.
• A Lightweight Multi-Layer Perceptron for Efficient Multivariate Time Series Forecasting
  Zhenghong Wang^#, Sijie Ruan^#, Tianqiang Huang^#, Haoyi Zhou, Shanghang Zhang, Yi Wang, Leye Wang and Yu Liu
  Knowledge-Based Systems (KBS), 2024.
• DelvMap: Completing Residential Roads in Maps Based on Couriers' Trajectories and Satellite Imagery
  Shuliang Wang, Ziyu Wang, Sijie Ruan*, Haoyu Han, Keqin Xiong, Hannning Yuan, Ziqiang Yuan, Guoqing Li, Jie Bao and Yu Zheng
  Transactions on Geoscience and Remote Sensing (TGRS), 2024.[Code]
• Urban Sensing for Multi-Destination Workers via Deep Reinforcement Learning
  Shuliang Wang, Song Tang, Sijie Ruan*, Cheng Long, Yuxuan Liang, Qi Li, Ziqiang Yuan, Jie Bao and Yu Zheng
  in Proceedings of the 40th IEEE International Conference on Data Engineering (ICDE'24), 2024.[Code]
• Coresets for Fast Causal Discovery with the Additive Noise Model
  Boxiang Zhao, Shuliang Wang*, Lianhua Chi, Hanning Yuan, Ye Yuan, Qi Li, Jing Geng, and Shao-Liang Zhang
  Pattern Recognition, 148:110149.
• Plaintext-aware Encrypted Traffic Detection Network for Identifying Cobalt Strike HTTPS Traffics
  Xiaodu Yang, Sijie Ruan*, Yinliang Yue and Bo Sun*
  Computer Networks, 2024.

2023

• HANM: Hierarchical Additive Noise Model for Many-to-One Causality Discovery
  Boxiang Zhao, Shuliang Wang*, Lianhua Chi, Chuanfeng Zhao, Hanning Yuan, Qi Li, Xiaojia Liu, Jing Geng and Ye Yuan
  in IEEE Transactions on Knowledge and Data Engineering (TKDE), 35(12): 12708 - 12720.
• A Novel Approach for Company Real Workplace Identification via E-commercial Data (Short Paper)
  Huimin Ren, Sijie Ruan*, Ye Yuan, Yanhua Li*, Jie Bao, Tianfu He, Huajun He, Chuishi Meng and Yu Zheng
  in Proceedings of the 31st ACM International Conference on Advances in Geographical Information Systems (SIGSPATIAL'23), 2023.
• A Survey of Urban Geographic Information Inference Driven by Crowdsourced Spatio-Temporal Data (in Chinese)
  Sijie Ruan, Keqin Xiong, Shuliang Wang, Jing Geng, Jie Bao and Yu Zheng
  in Acta Electronica Sinica, 2023.
• SAInf: Stay Area Inference of Vehicles using Surveillance Camera Records
  Zhipeng Ma, Chuishi Meng, Huimin Ren, Sijie Ruan, Jie Bao, Xiaoting Wang, Tianrui Li and Yu Zheng
  in Proceedings of the 29th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'23), 2023.
• Filling Delivery Time Automatically Based on Couriers' Trajectories
  Sijie Ruan, Xi Fu, Cheng Long, Zi Xiong, Jie Bao, Ruiyuan Li, Yiheng Chen, Shengnan Wu and Yu Zheng
  in IEEE Transactions on Knowledge and Data Engineering (TKDE), 2023.
• TrajMesa: A Distributed NoSQL-Based Trajectory Data Management System
  Ruiyuan Li, Huajun He, Rubin Wang, Sijie Ruan, Tianfu He, Jie Bao, Junbo Zhang, Liang Hong and Yu Zheng
  in IEEE Transactions on Knowledge and Data Engineering (TKDE), 2023.
• CD-BNN: Causal Discovery with Bayesian Neural Network
  Huaxu Han, Shuliang Wang, Hanning Yuan, Sijie Ruan
  in Proceedings of the 19th International Conference on Advanced Data Mining and Applications (ADMA'23), 2023.

2022

• Traffic Speed Imputation with Spatio-Temporal Attentions and Cycle-Perceptual Training
  Qianxiong Xu, Sijie Ruan, Cheng Long, Liang Yu and Chen Zhang
  in Proceedings of the 31st ACM International Conference on Information and Knowledge Management (CIKM'22), 2022.
• Service Time Prediction for Delivery Tasks via Spatial Meta-Learning
  Sijie Ruan, Cheng Long, Zhipeng Ma, Jie Bao, Tianfu He, Ruiyuan Li, Yiheng Chen, Shengnan Wu and Yu Zheng
  in Proceedings of the 28th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'22), 2022.
• Modeling Trajectories with Multi-task Learning (Short Paper)
  Kaijun Liu, Sijie Ruan, Qianxiong Xu, Cheng Long, Nan Hu, Nan Xiao, Liang Yu and Sinno Pan
  in Proceedings of the 23rd IEEE International Conference on Mobile Data Management (MDM'22), 2022.
• Discovering Actual Delivery Locations from Mis-Annotated Couriers' Trajectories
  Sijie Ruan, Cheng Long, Xiaodu Yang, Tianfu He, Ruiyuan Li, Jie Bao, Yiheng Chen, Shengnan Wu, Jiangtao Cui and Yu Zheng
  in Proceedings of the 38th IEEE International Conference on Data Engineering (ICDE'22), 2022.
• TraSS: Efficient Trajectory Similarity Search Based on Key-Value Data Stores
  Huajun He, Ruiyuan Li, Sijie Ruan, Tianfu He, Jie Bao, Tianrui Li and Yu Zheng
  in Proceedings of the 38th IEEE International Conference on Data Engineering (ICDE'22), 2022.
• Fine-Grained Urban Flow Inference
  Kun Ouyang, Yuxuan Liang, Ye Liu, Zekun Tong, Sijie Ruan, Yu Zheng and David S. Rosenblum
  in IEEE Transactions on Knowledge and Data Engineering (TKDE), 2022.

2021

• Extreme Clustering - A Clustering Method via Density Extreme Points
  Shuliang Wang, Qi Li, Chuanfeng Zhao, Xingquan Zhu, Hanning Yuan and Tianru Dai
  Information Sciences, 2021.
• Distributed Spatio-Temporal k Nearest Neighbors Join
  Ruiyuan Li, Rubin Wang, Junwen Liu, Zisheng Yu, Huajun He, Tianfu He, Sijie Ruan, Jie Bao, Chao Chen, Fuqiang Gu, Liang Hong and Yu Zheng
  in Proceedings of the 29th ACM International Conference on Advances in Geographical Information Systems (SIGSPATIAL'21), 2021.
• SALON: A Universal Stay Point-Based Location Analysis Platform (Demo Paper) Best Demo Paper Award
  Yue Hu, Sijie Ruan*, Yuting Ni, Huajun He, Jie Bao*, Ruiyuan Li and Yu Zheng
  in Proceedings of the 29th ACM International Conference on Advances in Geographical Information Systems (SIGSPATIAL'21), 2021.
• ICFinder: A Ubiquitous Approach to Detecting Illegal Hazardous Chemical Facilities with Truck Trajectories (Short Paper)
  Zheng Zhu, Huimin Ren, Sijie Ruan, Boyang Han, Jie Bao, Ruiyuan Li, Yanhua Li and Yu Zheng
  in Proceedings of the 29th ACM International Conference on Advances in Geographical Information Systems (SIGSPATIAL'21), 2021.
• POI Alias Discovery in E-commerce Delivery Address Data using User Check-ins (Short Paper)
  Tianfu He, Guochun Chen, Chuishi Meng, Huajun He, Zheyi Pan, Yexin Li, Sijie Ruan, Huimin Ren, Ye Yuan, Ruiyuan Li, Junbo Zhang, Jie Bao, Hui He and Yu Zheng
  in Proceedings of the 29th ACM International Conference on Advances in Geographical Information Systems (SIGSPATIAL'21), 2021.
• TLDS: A Transfer-Learning-Based Delivery Station Location Selection Pipeline
  Chenyu Hou, Bin Cao, Sijie Ruan and Jing Fan
  in ACM Transactions on Intelligent Systems and Technology (TIST), 2021.
• MTrajRec: Map-Constrained Trajectory Recovery via Seq2Seq Multi-task Learning
  Huimin Ren, Sijie Ruan, Yanhua Li, Jie Bao, Chuishi Meng, Ruiyuan Li and Yu Zheng
  in Proceedings of the 27th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'21), 2021.

2020

• Global and Local Tensor Factorization for Multi-Criteria Recommender System
  Shuliang Wang, Jingting Yang, Zhengyu Chen, Hanning Yuan, Jing Geng, Zhen Hai
  Patterns (Cell 子刊)，1(2): 100023
• You Are How You Use: Catching Gas Theft Suspects among Diverse Restaurant Users
  Xiaodu Yang, Xiuwen Yi, Shun Chen, Sijie Ruan, Junbo Zhang, Yu Zheng and Tianrui Li
  in Proceedings of the 29th ACM International Conference on Information and Knowledge Management (CIKM'20), 2020.
• 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 Proceedings of the 26th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'20), 2020.
• Discovering Real-time Reachable Area using Trajectory Connections
  Ruiyuan Li, Jie Bao, Huajun He, Sijie Ruan, Tianfu He, Liang Hong, Zhongyuan Jiang and Yu Zheng
  in Proceedings of the 25th International Conference on Database Systems for Advanced Applications (DASFAA'20), 2020.
• Dynamic Public Resource Allocation based on Human Mobility Prediction [Code&Data]
  Sijie Ruan, Jie Bao, Yuxuan Liang, Ruiyuan Li, Tianfu He, Chuishi Meng, Yanhua Li, Yingcai Wu and Yu Zheng
  in Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp'20), 2020.
• What is the Human Mobility in a New City? Transfer Mobility Knowledge Across Cities
  Tianfu He, Jie Bao, Ruiyuan Li, Sijie Ruan, Yanhua Li, Li Song, Hui He and Yu Zheng
  in Proceedings of the Web Conference 2020 (WWW'20), 2020.
• JUST: JD Urban Spatio-Temporal Data Engine
  Ruiyuan Li, Huajun He, Rubin Wang, Yuchuan Huang, Junwen Liu, Sijie Ruan, Tianfu He, Jie Bao and Yu Zheng
  in Proceedings of the 36th IEEE International Conference on Data Engineering (ICDE'20), 2020.
• 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 Proceedings of the 34th AAAI Conference (AAAI'20), 2020.
• Interactive Bike Lane Planning using Sharing Bikes' Trajectories
  Tianfu He, Jie Bao, Sijie Ruan, Ruiyuan Li, Yanhua Li, Hui He and Yu Zheng
  in IEEE Transactions on Knowledge and Data Engineering (TKDE), 2020.
• TrajMesa: A Distributed NoSQL Storage Engine for Big Trajectory Data (Short Paper)
  Ruiyuan Li, Huajun He, Rubin Wang, Sijie Ruan, Yuan Sui, Jie Bao and Yu Zheng
  in Proceedings of the 36th IEEE International Conference on Data Engineering (ICDE'20), 2020.

2019

• Effective Recycling Planning for Dockless Sharing Bikes
  Cong Zhang, Yanhua Li, Jie Bao, Sijie Ruan, Tianfu He, Hui Lu, Zhihong Tian, Cong Liu, Chao Tian, Jianfeng Lin and Xianen Li
  in Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL'19), 2019.
• UrbanFM: Inferring Fine-Grained Urban Flows [Code]
  Yuxuan Liang, Kun Ouyang, Lin Jing, Sijie Ruan, Ye Liu, Junbo Zhang and Yu Zheng
  in Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'19), 2019.

2018

• Efficient Path Query Processing over Massive Trajectories on the Cloud
  Ruiyuan Li, Sijie Ruan, Jie Bao, Yanhua Li, Yingcai Wu, Liang Hong and Yu Zheng
  in IEEE Transactions on Big Data (TBD), 2018.
• Detecting Illegal Vehicle Parking Events using Sharing Bikes' Trajectories
  Tianfu He, Jie Bao, Ruiyuan Li, Sijie Ruan, Yanhua Li, Chao Tian and Yu Zheng
  in Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'18), 2018.
• CloudTP: A Cloud-based Flexible Trajectory Preprocessing Framework (Demo Paper)
  Sijie Ruan, Ruiyuan Li, Jie Bao, Tianfu He and Yu Zheng
  in Proceedings of the 34th IEEE International Conference on Data Engineering (ICDE'18), 2018.

2017

• Querying Massive Trajectories by Path on the Cloud (Short Paper)
  Ruiyuan Li, Sijie Ruan, Jie Bao, Yanhua Li, Yingcai Wu and Yu Zheng
  in Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL'17), 2017.
• A Cloud-Based Trajectory Data Management System (Demo Paper) Best Demo Paper Award Runners-up
  Ruiyuan Li, Sijie Ruan, Jie Bao, Yu Zheng
  in Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL'17), 2017.
• Planning Bike Lanes based on Sharing-Bikes' Trajectories
  Jie Bao, Tianfu He, Sijie Ruan, Yanhua Li and Yu Zheng
  in Proceedings of the 23rd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD'17), 2017.