2023

doi dblp
Memory-augmented meta-learning framework for session-based target behavior recommendation
Bo Yu | Xiyang Li | Junhua Fang | Chong Tai | Wanjun Cheng | Jiajie Xu
2023 Volume 26 Issue 1

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
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

2021

doi dblp
On prediction of traffic flows in smart cities: a multitask deep learning based approach
Fucheng Wang | Jiajie Xu | Chengfei Liu | Rui Zhou | Pengpeng Zhao
2021 Volume 24 Issue 3

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
2021 Volume 24 Issue 5

doi dblp
Solutions for concurrency conflict problem on Hyperledger Fabric
Lu Xu | Wei Chen | Zhixu Li | Jiajie Xu | An Liu | Lei Zhao
2021 Volume 24 Issue 1

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
CBML: A Cluster-based Meta-learning Model for Session-based Recommendation
Jiayu Song | Jiajie Xu | Rui Zhou | Lu Chen | Jianxin Li | Chengfei Liu
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

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
2020 Volume 23 Issue 2

doi dblp
Exploiting Aesthetic Preference in Deep Cross Networks for Cross-domain Recommendation
Jian Liu | Pengpeng Zhao | Fuzhen Zhuang | Yanchi Liu | Victor S. Sheng | Jiajie Xu | Xiaofang Zhou | Hui Xiong
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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
2019 Volume 22 Issue 6

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
2019 Volume 22 Issue 2

doi dblp
Recurrent Convolutional Neural Network for Sequential Recommendation
Chengfeng Xu | Pengpeng Zhao | Yanchi Liu | Jiajie Xu | Victor S. Sheng | Zhiming Cui | Xiaofang Zhou | Hui Xiong
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

doi dblp
Semantic-aware top-k spatial keyword queries
Zhihu Qian | Jiajie Xu | Kai Zheng | Pengpeng Zhao | Xiaofang Zhou
2018 Volume 21 Issue 3

doi dblp
On Prediction of User Destination by Sub-Trajectory Understanding: A Deep Learning based Approach
Jing Zhao | Jiajie Xu | Rui Zhou | Pengpeng Zhao | Chengfei Liu | Feng Zhu
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

2017

doi dblp
Monochromatic and bichromatic ranked reverse boolean spatial keyword nearest neighbors search
Pengpeng Zhao | Hailin Fang | Victor S. Sheng | Zhixu Li | Jiajie Xu | Jian Wu | Zhiming Cui
2017 Volume 20 Issue 1

doi dblp
A feature based method for trajectory dataset segmentation and profiling
Wei Jiang | Jie Zhu | Jiajie Xu | Zhixu Li | Pengpeng Zhao | Lei Zhao
2017 Volume 20 Issue 1

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
2017 Volume 20 Issue 6

doi dblp
Popularity-aware spatial keyword search on activity trajectories
Kai Zheng | Bolong Zheng | Jiajie Xu | Guanfeng Liu | An Liu | Zhixu Li
2017 Volume 20 Issue 4

doi dblp
Semantic-aware Query Processing for Activity Trajectories
Huiwen Liu | Jiajie Xu | Kai Zheng | Chengfei Liu | Lan Du | Xian Wu
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

doi dblp
Interactive Spatial Keyword Querying with Semantics
Jiabao Sun | Jiajie Xu | Kai Zheng | Chengfei Liu
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

2016

doi dblp
On personalized and sequenced route planning
Jian Dai | Chengfei Liu | Jiajie Xu | Zhiming Ding
2016 Volume 19 Issue 4

2015

doi dblp
Making Sense of Spatial Trajectories
Xiaofang Zhou | Kai Zheng | Hoyoung Jeung | Jiajie Xu | Shazia Wasim Sadiq
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

2014

doi dblp
SharkDB: An In-Memory Column-Oriented Trajectory Storage
Haozhou Wang | Kai Zheng | Jiajie Xu | Bolong Zheng | Xiaofang Zhou | Shazia Wasim Sadiq
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014