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

doi dblp
Contrastive Learning with Bidirectional Transformers for Sequential Recommendation
Hanwen Du | Hui Shi | Pengpeng Zhao | Deqing Wang | Victor S. Sheng | Yanchi Liu | Guanfeng Liu | 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
Handling conditional queries and data storage on Hyperledger Fabric efficiently
Tianlu Yan | Wei Chen | Pengpeng Zhao | Zhixu Li | An Liu | Lei Zhao
2021 Volume 24 Issue 1

doi dblp
When Hardness Makes a Difference: Multi-Hop Knowledge Graph Reasoning over Few-Shot Relations
Shangfei Zheng | Wei Chen | Pengpeng Zhao | An Liu | Junhua Fang | Lei Zhao
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

doi dblp
SGPM: a privacy protected approach of time-constrained graph pattern matching in cloud
Jinjing Huang | Wei Chen | Zhixu Li | Pengpeng Zhao | Weiqing Wang | Hongzhi Yin | Lei Zhao
2020 Volume 23 Issue 1

doi dblp
A crowd-efficient learning approach for NER based on online encyclopedia
Maolong Li | Zhixu Li | Qiang Yang | Zhigang Chen | Pengpeng Zhao | Lei Zhao
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
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
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

2015

doi dblp
Multi-Label Active Learning with Chi-Square Statistics for Image Classification
Chen Ye | Jian Wu | Victor S. Sheng | Shiquan Zhao | Pengpeng Zhao | Zhiming Cui
Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015

doi dblp
Best First Over-Sampling for Multilabel Classification
Xusheng Ai | Jian Wu | Victor S. Sheng | Yufeng Yao | Pengpeng Zhao | Zhiming Cui
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015