Jiajie Xu

According to our database, Jiajie Xu authored at least 168 papers between 2006 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Evidence Reasoning and Curriculum Learning for Document-Level Relation Extraction.

Tianyu Xu, Jianfeng Qu, Wen Hua, Zhixu Li, Jiajie Xu, An Liu, Lei Zhao, Xiaofang Zhou

IEEE Trans. Knowl. Data Eng., February, 2024

Reliability-Driven Local Community Search in Dynamic Networks.

Yifu Tang, Jianxin Li, Nur Al Hasan Haldar, Ziyu Guan, Jiajie Xu, Chengfei Liu

IEEE Trans. Knowl. Data Eng., February, 2024

2023

Densest Multipartite Subgraph Search in Heterogeneous Information Networks.

Lu Chen, Chengfei Liu, Rui Zhou, Kewen Liao, Jiajie Xu, Jianxin Li

Proc. VLDB Endow., December, 2023

Enhancing bitcoin transaction confirmation prediction: a hybrid model combining neural networks and XGBoost.

Limeng Zhang, Rui Zhou, Qing Liu, Jiajie Xu, Chengfei Liu, Muhammad Ali Babar

World Wide Web (WWW), November, 2023

Empowering A* Algorithm With Neuralized Variational Heuristics for Fastest Route Recommendation.

Minrui Xu, Jiajie Xu, Rui Zhou, Jianxin Li, Kai Zheng, Pengpeng Zhao, Chengfei Liu

IEEE Trans. Knowl. Data Eng., October, 2023

Feature-Level Deeper Self-Attention Network With Contrastive Learning for Sequential Recommendation.

Yongjing Hao, Tingting Zhang, Pengpeng Zhao, Yanchi Liu, Victor S. Sheng, Jiajie Xu, Guanfeng Liu, Xiaofang Zhou

IEEE Trans. Knowl. Data Eng., October, 2023

MoviNet: A novel network for cross-modal map extraction by vision transformer and CNN.

Zheng Chen, Junhua Fang, Pingfu Chao, Pengpeng Zhao, Jiajie Xu, Lei Zhao

Knowl. Based Syst., October, 2023

Hybrid Enhancement-based prototypical networks for few-shot relation classification.

Lei Wang, Jianfeng Qu, Tianyu Xu, Zhixu Li, Wei Chen, Jiajie Xu, Lei Zhao

World Wide Web (WWW), September, 2023

Garden: a real-time processing framework for continuous top-k trajectory similarity search.

Zhicheng Pan, Pingfu Chao, Junhua Fang, Wei Chen, Jiajie Xu, Lei Zhao

Knowl. Inf. Syst., September, 2023

CDAML: a cluster-based domain adaptive meta-learning model for cross domain recommendation.

Jiajie Xu, Jiayu Song, Yu Sang, Lihua Yin

World Wide Web (WWW), May, 2023

Learning to effectively model spatial-temporal heterogeneity for traffic flow forecasting.

Minrui Xu, Xiyang Li, Fucheng Wang, Jedi S. Shang, Chong Tai, Wanjun Cheng, Jiajie Xu

World Wide Web (WWW), May, 2023

Memory-augmented meta-learning framework for session-based target behavior recommendation.

Bo Yu, Xiyang Li, Junhua Fang, Chong Tai, Wanjun Cheng, Jiajie Xu

World Wide Web (WWW), January, 2023

TKGF-NTP: Temporal Knowledge Graph Forecasting via Neural Temporal Point Process.

Gaojie Han, Wei Chen, Xiaofang Zhang, Jiajie Xu, An Liu, Lei Zhao

Proceedings of the IEEE International Conference on Web Services, 2023

LHMM: A Learning Enhanced HMM Model for Cellular Trajectory Map Matching.

Weijie Shi, Jiajie Xu, Junhua Fang, Pingfu Chao, An Liu, Xiaofang Zhou

Proceedings of the 39th IEEE International Conference on Data Engineering, 2023

2022

Where to Go Next: A Spatio-Temporal Gated Network for Next POI Recommendation.

Pengpeng Zhao, Anjing Luo, Yanchi Liu, Jiajie Xu, Zhixu Li, Fuzhen Zhuang, Victor S. Sheng, Xiaofang Zhou

IEEE Trans. Knowl. Data Eng., 2022

Index-Based Solutions for Efficient Density Peak Clustering.

Zafaryab Rasool, Rui Zhou, Lu Chen, Chengfei Liu, Jiajie Xu

IEEE Trans. Knowl. Data Eng., 2022

Trajectory-Based Spatiotemporal Entity Linking.

Fengmei Jin, Wen Hua, Thomas Zhou, Jiajie Xu, Matteo Francia, Maria E. Orlowska, Xiaofang Zhou

IEEE Trans. Knowl. Data Eng., 2022

A Survey and Quantitative Study on Map Inference Algorithms From GPS Trajectories.

Pingfu Chao, Wen Hua, Rui Mao, Jiajie Xu, Xiaofang Zhou

IEEE Trans. Knowl. Data Eng., 2022

Reliable Community Search in Dynamic Networks.

Yifu Tang, Jianxin Li, Nur Al Hasan Haldar, Ziyu Guan, Jia-Jie Xu, Chengfei Liu

Proc. VLDB Endow., 2022

Efficient Maximal Biclique Enumeration for Large Sparse Bipartite Graphs.

Lu Chen, Chengfei Liu, Rui Zhou, Jiajie Xu, Jianxin Li

Proc. VLDB Endow., 2022

MTLM: a multi-task learning model for travel time estimation.

Saijun Xu, Ruoqian Zhang, Wanjun Cheng, Jiajie Xu

GeoInformatica, 2022

When Research Topic Trend Prediction Meets Fact-Based Annotations.

Jiachen Wang, Jiajie Xu, Wei Chen, Lei Zhao

Data Sci. Eng., 2022

Bitcoin Transaction Confirmation Time Prediction: A Classification View.

Limeng Zhang, Rui Zhou, Qing Liu, Jiajie Xu, Chengfei Liu

Proceedings of the Web Information Systems Engineering - WISE 2022, 2022

Conats: A Novel Framework for Cross-Modal Map Extraction.

Zheng Chen, Junhua Fang, Pingfu Chao, Jianfeng Qu, Pengpeng Zhao, Jiajie Xu

Proceedings of the Web Information Systems Engineering - WISE 2022, 2022

MetaPTP: An Adaptive Meta-optimized Model for Personalized Spatial Trajectory Prediction.

Yuan Xu, Jiajie Xu, Jing Zhao, Kai Zheng, An Liu, Lei Zhao, Xiaofang Zhou

Proceedings of the KDD '22: The 28th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Washington, DC, USA, August 14, 2022

MetaER-TTE: An Adaptive Meta-learning Model for En Route Travel Time Estimation.

Yu Fan, Jiajie Xu, Rui Zhou, Jianxin Li, Kai Zheng, Lu Chen, Chengfei Liu

Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, 2022

Acceptance-Aware Multi-platform Cooperative Matching in Spatial Crowdsourcing.

Xiaotong Xu, An Liu, Guanfeng Liu, Jiajie Xu, Lei Zhao

Proceedings of the Service-Oriented Computing - 20th International Conference, 2022

Misty: Microservice-Based Streaming Trajectory Similarity Search.

Jiachun Tao, Zhicheng Pan, Junhua Fang, Pingfu Chao, Pengpeng Zhao, Jiajie Xu

Proceedings of the Service-Oriented Computing - 20th International Conference, 2022

PersFormer: 3D Lane Detection via Perspective Transformer and the OpenLane Benchmark.

Li Chen, Chonghao Sima, Yang Li, Zehan Zheng, Jiajie Xu, Xiangwei Geng, Hongyang Li, Conghui He, Jianping Shi, Yu Qiao, Junchi Yan

Proceedings of the Computer Vision - ECCV 2022, 2022

When Multitask Learning Make a Difference: Spatio-Temporal Joint Prediction for Cellular Trajectories.

Yuan Xu, Jiajie Xu, Junhua Fang, An Liu, Lei Zhao

Proceedings of the Database Systems for Advanced Applications, 2022

Transportation-Mode Aware Travel Time Estimation via Meta-learning.

Yu Fan, Jiajie Xu, Rui Zhou, Chengfei Liu

Proceedings of the Database Systems for Advanced Applications, 2022

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, 2022

Aries: Accurate Metric-based Representation Learning for Fast Top-<i>k</i> 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, 2022

2021

Solutions for concurrency conflict problem on Hyperledger Fabric.

Lu Xu, Wei Chen, Zhixu Li, Jiajie Xu, An Liu, Lei Zhao

World Wide Web, 2021

On prediction of traffic flows in smart cities: a multitask deep learning based approach.

Fucheng Wang, Jiajie Xu, Chengfei Liu, Rui Zhou, Pengpeng Zhao

World Wide Web, 2021

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

World Wide Web, 2021

Predicting Destinations by a Deep Learning based Approach.

Jiajie Xu, Jing Zhao, Rui Zhou, Chengfei Liu, Pengpeng Zhao, Lei Zhao

IEEE Trans. Knowl. Data Eng., 2021

Improving the Quality of Web-Based Data Imputation With Crowd Intervention.

Binbin Gu, Zhixu Li, An Liu, Jiajie Xu, Lei Zhao, Xiaofang Zhou

IEEE Trans. Knowl. Data Eng., 2021

TAML: A Traffic-aware Multi-task Learning Model for Estimating Travel Time.

Jia-Jie Xu, Saijun Xu, Rui Zhou, Chengfei Liu, An Liu, Lei Zhao

ACM Trans. Intell. Syst. Technol., 2021

CISK: An interactive framework for conceptual inference based spatial keyword query.

Jiajie Xu, Jiabao Sun, Rui Zhou, Chengfei Liu, Lihua Yin

Neurocomputing, 2021

A graph embedding based model for fine-grained POI recommendation.

Xiaojiao Hu, Jiajie Xu, Weiqing Wang, Zhixu Li, An Liu

Neurocomputing, 2021

TrajVAE: A Variational AutoEncoder model for trajectory generation.

Xinyu Chen, Jiajie Xu, Rui Zhou, Wei Chen, Junhua Fang, Chengfei Liu

Neurocomputing, 2021

Edge-Enhanced Global Disentangled Graph Neural Network for Sequential Recommendation.

Yunyi Li, Pengpeng Zhao, Guanfeng Liu, Yanchi Liu, Victor S. Sheng, Jiajie Xu, Xiaofang Zhou

CoRR, 2021

Transaction Confirmation Time Estimation in the Bitcoin Blockchain.

Limeng Zhang, Rui Zhou, Qing Liu, Jiajie Xu, Chengfei Liu

Proceedings of the Web Information Systems Engineering - WISE 2021, 2021

Disatra: A Real-Time Distributed Abstract Trajectory Clustering.

Liang Chen, Pingfu Chao, Junhua Fang, Wei Chen, Jiajie Xu, Lei Zhao

Proceedings of the Web Information Systems Engineering - WISE 2021, 2021

Efficient Exact Algorithms for Maximum Balanced Biclique Search in Bipartite Graphs.

Lu Chen, Chengfei Liu, Rui Zhou, Jiajie Xu, Jianxin Li

Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

MFNP: A Meta-optimized Model for Few-shot Next POI Recommendation.

Huimin Sun, Jiajie Xu, Kai Zheng, Pengpeng Zhao, Pingfu Chao, Xiaofang Zhou

Proceedings of the Thirtieth International Joint Conference on Artificial Intelligence, 2021

Multiple Features Driven Author Name Disambiguation.

Qiang Zhou, Wei Chen, Weiqing Wang, Jiajie Xu, Lei Zhao

Proceedings of the 2021 IEEE International Conference on Web Services, 2021

Incentive Mechanism for Spatial Crowdsourcing Cooperation: A Fair Revenue Allocation Method.

Xiaowei Wang, An Liu, Shushu Liu, Junhua Fang, Jiajie Xu

Proceedings of the Service-Oriented Computing - 19th International Conference, 2021

Representation Learning Based Query Decomposition for Batch Shortest Path Processing in Road Networks.

Niu Chen, An Liu, Guanfeng Liu, Jiajie Xu, Lei Zhao

Proceedings of the Service-Oriented Computing - 19th International Conference, 2021

Index-based Solutions for Efficient Density Peak Clustering (Extended Abstract).

Zafaryab Rasool, Rui Zhou, Lu Chen, Chengfei Liu, Jiajie Xu

Proceedings of the 37th IEEE International Conference on Data Engineering, 2021

SSRGAN: A Generative Adversarial Network for Streaming Sequential Recommendation.

Yao Lv, Jiajie Xu, Rui Zhou, Junhua Fang, Chengfei Liu

Proceedings of the Database Systems for Advanced Applications, 2021

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

Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

CBML: A Cluster-based Meta-learning Model for Session-based Recommendation.

Jiayu Song, Jiajie Xu, Rui Zhou, Lu Chen, Jianxin Li, Chengfei Liu

Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

Towards Nested and Fine-Grained Open Information Extraction.

Jiawei Wang, Xin Zheng, Qiang Yang, Jianfeng Qu, Jiajie Xu, Zhigang Chen, Zhixu Li

Proceedings of the Knowledge Graph and Semantic Computing: Knowledge Graph Empowers New Infrastructure Construction, 2021

2020

Distributed and parallel processing for real-time and dynamic spatio-temporal graph.

Junhua Fang, Jiafeng Ding, Pengpeng Zhao, Jiajie Xu, An Liu, Zhixu Li

World Wide Web, 2020

Privacy-preserving shared collaborative web services QoS prediction.

An Liu, Xindi Shen, Haoran Xie, Zhixu Li, Guanfeng Liu, Jia-Jie Xu, Lei Zhao, Fu Lee Wang

J. Intell. Inf. Syst., 2020

Enriching Context Information for Entity Linking with Web Data.

Yi-Ting Wang, Jie Shen, Zhixu Li, Qiang Yang, An Liu, Pengpeng Zhao, Jia-Jie Xu, Lei Zhao, Xun-Jie Yang

J. Comput. Sci. Technol., 2020

ATLRec: An Attentional Adversarial Transfer Learning Network for Cross-Domain Recommendation.

Ying Li, Jia-Jie Xu, Pengpeng Zhao, Junhua Fang, Wei Chen, Lei Zhao

J. Comput. Sci. Technol., 2020

Collective spatial keyword search on activity trajectories.

Xiaozhao Song, Jiajie Xu, Rui Zhou, Chengfei Liu, Kai Zheng, Pengpeng Zhao, Nickolas J. G. Falkner

GeoInformatica, 2020

S²R-tree: a pivot-based indexing structure for semantic-aware spatial keyword search.

Xinyu Chen, Jiajie Xu, Rui Zhou, Pengpeng Zhao, Chengfei Liu, Junhua Fang, Lei Zhao

GeoInformatica, 2020

On accurate POI recommendation via transfer learning.

Hao Zhang, Siyi Wei, Xiaojiao Hu, Ying Li, Jiajie Xu

Distributed Parallel Databases, 2020

Multi-objective spatial keyword query with semantics: a distance-owner based approach.

Jiajie Xu, Jing Chen, Lihua Yin

Distributed Parallel Databases, 2020

Index-based Solutions for Efficient Density Peaks Clustering.

Zafaryab Rasool, Rui Zhou, Lu Chen, Chengfei Liu, Jiajie Xu

CoRR, 2020

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

Proceedings of the WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020, 2020

User Profile Linkage Across Multiple Social Platforms.

Manman Wang, Wei Chen, Jiajie Xu, Pengpeng Zhao, Lei Zhao

Proceedings of the Web Information Systems Engineering - WISE 2020, 2020

Finding Effective Geo-social Group for Impromptu Activities with Diverse Demands.

Lu Chen, Chengfei Liu, Rui Zhou, Jiajie Xu, Jeffrey Xu Yu, Jianxin Li

Proceedings of the KDD '20: The 26th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2020

Collaborative Self-Attention Network for Session-based Recommendation.

Anjing Luo, Pengpeng Zhao, Yanchi Liu, Fuzhen Zhuang, Deqing Wang, Jiajie Xu, Junhua Fang, Victor S. Sheng

Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence, 2020

A Distributed Framework for Online Stream Data Clustering.

Jiafeng Ding, Junhua Fang, Pingfu Chao, Jiajie Xu, Pengpeng Zhao, Lei Zhao

Proceedings of the Algorithms and Architectures for Parallel Processing, 2020

TADNM: A Transportation-Mode Aware Deep Neural Model for Travel Time Estimation.

Saijun Xu, Jiajie Xu, Rui Zhou, Chengfei Liu, Zhixu Li, An Liu

Proceedings of the Database Systems for Advanced Applications, 2020

MTGCN: A Multitask Deep Learning Model for Traffic Flow Prediction.

Fucheng Wang, Jiajie Xu, Chengfei Liu, Rui Zhou, Pengpeng Zhao

Proceedings of the Database Systems for Advanced Applications, 2020

C2TTE: Cross-city Transfer Based Model for Travel Time Estimation.

Jiayu Song, Jiajie Xu, Xinghong Ling, Junhua Fang, Rui Zhou, Chengfei Liu

Proceedings of the Database Systems for Advanced Applications, 2020

Modeling Periodic Pattern with Self-Attention Network for Sequential Recommendation.

Jun Ma, Pengpeng Zhao, Yanchi Liu, Victor S. Sheng, Jiajie Xu, Lei Zhao

Proceedings of the Database Systems for Advanced Applications, 2020

MemTimes: Temporal Scoping of Facts with Memory Network.

Siyuan Cao, Qiang Yang, Zhixu Li, Guanfeng Liu, Detian Zhang, Jiajie Xu

Proceedings of the Database Systems for Advanced Applications, 2020

Knowledge Graph Attention Network Enhanced Sequential Recommendation.

Xingwei Zhu, Pengpeng Zhao, Jiajie Xu, Junhua Fang, Lei Zhao, Xuefeng Xian, Zhiming Cui, Victor S. Sheng

Proceedings of the Web and Big Data - 4th International Joint Conference, 2020

Spatio-Temporal Self-Attention Network for Next POI Recommendation.

Jiacheng Ni, Pengpeng Zhao, Jiajie Xu, Junhua Fang, Zhixu Li, Xuefeng Xian, Zhiming Cui, Victor S. Sheng

Proceedings of the Web and Big Data - 4th International Joint Conference, 2020

2019

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

World Wide Web, 2019

Differential private collaborative Web services QoS prediction.

An Liu, Xindi Shen, Zhixu Li, Guanfeng Liu, Jiajie Xu, Lei Zhao, Kai Zheng, Shuo Shang

World Wide Web, 2019

Preface.

Xiaofang Zhou, Jiajie Xu

J. Comput. Sci. Technol., 2019

An Efficient Framework for Multiple Subgraph Pattern Matching Models.

Jiuru Gao, Wei Chen, Jia-Jie Xu, An Liu, Zhixu Li, Hongzhi Yin, Lei Zhao

J. Comput. Sci. Technol., 2019

On workflow aware location-based service composition for personal trip planning.

Jiajie Xu, Jing Chen, Rui Zhou, Junhua Fang, Chengfei Liu

Future Gener. Comput. Syst., 2019

Finding Effective Geo-Social Group for Impromptu Activity with Multiple Demands.

Lu Chen, Chengfei Liu, Rui Zhou, Jiajie Xu, Jianxin Li

CoRR, 2019

Deep Cross Networks with Aesthetic Preference for Cross-domain Recommendation.

Jian Liu, Pengpeng Zhao, Yanchi Liu, Victor S. Sheng, Fuzhen Zhuang, Jiajie Xu, Xiaofang Zhou, Hui Xiong

CoRR, 2019

Analysis and Applications of Location-Aware Big Complex Network Data.

Jianxin Li, Ke Deng, Xin Huang, Jiajie Xu

Complex., 2019

Recurrent Convolutional Neural Network for Sequential Recommendation.

Chengfeng Xu, Pengpeng Zhao, Yanchi Liu, Jiajie Xu, Victor S. Sheng, Zhiming Cui, Xiaofang Zhou, Hui Xiong

Proceedings of the World Wide Web Conference, 2019

Locking Mechanism for Concurrency Conflicts on Hyperledger Fabric.

Lu Xu, Wei Chen, Zhixu Li, Jiajie Xu, An Liu, Lei Zhao

Proceedings of the Web Information Systems Engineering - WISE 2019, 2019

Multiple Interaction Attention Model for Open-World Knowledge Graph Completion.

Chenpeng Fu, Zhixu Li, Qiang Yang, Zhigang Chen, Junhua Fang, Pengpeng Zhao, Jiajie Xu

Proceedings of the Web Information Systems Engineering - WISE 2019, 2019

Distant Supervised Why-Question Generation with Passage Self-Matching Attention.

Jiaxin Hu, Zhixu Li, Renshou Wu, Hongling Wang, An Liu, Jiajie Xu, Pengpeng Zhao, Lei Zhao

Proceedings of the International Joint Conference on Neural Networks, 2019

Feature-level Deeper Self-Attention Network for Sequential Recommendation.

Tingting Zhang, Pengpeng Zhao, Yanchi Liu, Victor S. Sheng, Jiajie Xu, Deqing Wang, Guanfeng Liu, Xiaofang Zhou

Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence, 2019

Graph Contextualized Self-Attention Network for Session-based Recommendation.

Chengfeng Xu, Pengpeng Zhao, Yanchi Liu, Victor S. Sheng, Jiajie Xu, Fuzhen Zhuang, Junhua Fang, Xiaofang Zhou

Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence, 2019

Profit-driven Task Assignment in Spatial Crowdsourcing.

Jinfu Xia, Yan Zhao, Guanfeng Liu, Jiajie Xu, Min Zhang, Kai Zheng

Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence, 2019

Moving Object Linking Based on Historical Trace.

Fengmei Jin, Wen Hua, Jiajie Xu, Xiaofang Zhou

Proceedings of the 35th IEEE International Conference on Data Engineering, 2019

Real-Time Trajectory Similarity Processing Using Longest Common Subsequence.

Jiafeng Ding, Junhua Fang, Zonglei Zhang, Pengpeng Zhao, Jiajie Xu, Lei Zhao

Proceedings of the 21st IEEE International Conference on High Performance Computing and Communications; 17th IEEE International Conference on Smart City; 5th IEEE International Conference on Data Science and Systems, 2019

AdaCML: Adaptive Collaborative Metric Learning for Recommendation.

Tingting Zhang, Pengpeng Zhao, Yanchi Liu, Jiajie Xu, Junhua Fang, Lei Zhao, Victor S. Sheng, Zhiming Cui

Proceedings of the Database Systems for Advanced Applications, 2019

Adaptive Attention-Aware Gated Recurrent Unit for Sequential Recommendation.

Anjing Luo, Pengpeng Zhao, Yanchi Liu, Jiajie Xu, Zhixu Li, Lei Zhao, Victor S. Sheng, Zhiming Cui

Proceedings of the Database Systems for Advanced Applications, 2019

Attention and Convolution Enhanced Memory Network for Sequential Recommendation.

Jian Liu, Pengpeng Zhao, Yanchi Liu, Jiajie Xu, Junhua Fang, Lei Zhao, Victor S. Sheng, Zhiming Cui

Proceedings of the Database Systems for Advanced Applications, 2019

DeepAM: Deep Semantic Address Representation for Address Matching.

Shuangli Shan, Zhixu Li, Qiang Yang, An Liu, Jiajie Xu, Zhigang Chen

Proceedings of the Web and Big Data - Third International Joint Conference, 2019

Multiple Query Point Based Collective Spatial Keyword Querying.

Yun Li, Ziheng Wang, Jing Chen, Fei Wang, Jiajie Xu

Proceedings of the Advanced Data Mining and Applications - 15th International Conference, 2019

Where to Go Next: A Spatio-Temporal Gated Network for Next POI Recommendation.

Pengpeng Zhao, Haifeng Zhu, Yanchi Liu, Jiajie Xu, Zhixu Li, Fuzhen Zhuang, Victor S. Sheng, Xiaofang Zhou

Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence, 2019

2018

Semantic-aware top-k spatial keyword queries.

Zhihu Qian, Jiajie Xu, Kai Zheng, Pengpeng Zhao, Xiaofang Zhou

World Wide Web, 2018

Time-dependent route scheduling on road networks.

Lei Li, Jiwon Kim, Jiajie Xu, Xiaofang Zhou

ACM SIGSPATIAL Special, 2018

A Generative Model Approach for Geo-Social Group Recommendation.

Pengpeng Zhao, Haifeng Zhu, Yanchi Liu, Ziting Zhou, Zhixu Li, Jia-Jie Xu, Lei Zhao, Victor S. Sheng

J. Comput. Sci. Technol., 2018

Discovering Functional Organized Point of Interest Groups for Spatial Keyword Recommendation.

Yanxia Xu, Wei Chen, Jia-Jie Xu, Zhixu Li, Guanfeng Liu, Lei Zhao

J. Comput. Sci. Technol., 2018

Efficient sampling methods for characterizing POIs on maps based on road networks.

Ziting Zhou, Pengpeng Zhao, Victor S. Sheng, Jiajie Xu, Zhixu Li, Jian Wu, Zhiming Cui

Frontiers Comput. Sci., 2018

Where to Go Next: A Spatio-temporal LSTM model for Next POI Recommendation.

Pengpeng Zhao, Haifeng Zhu, Yanchi Liu, Zhixu Li, Jiajie Xu, Victor S. Sheng

CoRR, 2018

Deriving user interface flow models for artifact-centric business processes.

Sira Yongchareon, Chengfei Liu, Xiaohui Zhao, Jian Yu, Kan Ngamakeur, Jiajie Xu

Comput. Ind., 2018

Exploiting Visual Contents in Posters and Still Frames for Movie Recommendation.

Xiaojie Chen, Pengpeng Zhao, Jiajie Xu, Zhixu Li, Lei Zhao, Yanchi Liu, Victor S. Sheng, Zhiming Cui

IEEE Access, 2018

Eliminating Temporal Conflicts in Uncertain Temporal Knowledge Graphs.

Lingjiao Lu, Junhua Fang, Pengpeng Zhao, Jiajie Xu, Hongzhi Yin, Lei Zhao

Proceedings of the Web Information Systems Engineering - WISE 2018, 2018

LC-RNN: A Deep Learning Model for Traffic Speed Prediction.

Zhongjian Lv, Jiajie Xu, Kai Zheng, Hongzhi Yin, Pengpeng Zhao, Xiaofang Zhou

Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

Discovering Expert Drivers from Trajectories.

Jiabao Sun, Jiajie Xu, Rui Zhou, Kai Zheng, Chengfei Liu

Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

A Privacy-Preserving Framework for Subgraph Pattern Matching in Cloud.

Jiuru Gao, Jiajie Xu, Guanfeng Liu, Wei Chen, Hongzhi Yin, Lei Zhao

Proceedings of the Database Systems for Advanced Applications, 2018

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, 2018

Exploiting Implicit Social Relationship for Point-of-Interest Recommendation.

Haifeng Zhu, Pengpeng Zhao, Zhixu Li, Jiajie Xu, Lei Zhao, Victor S. Sheng

Proceedings of the Web and Big Data - Second International Joint Conference, 2018

Diversified Spatial Keyword Query on Topic Coverage.

Zhihu Qian, Ling Zhang, Haifeng Zhu, Jiajie Xu

Proceedings of the Web and Big Data, 2018

2017

Popularity-aware spatial keyword search on activity trajectories.

Kai Zheng, Bolong Zheng, Jiajie Xu, Guanfeng Liu, An Liu, Zhixu Li

World Wide Web, 2017

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

World Wide Web, 2017

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

World Wide Web, 2017

A feature based method for trajectory dataset segmentation and profiling.

Wei Jiang, Jie Zhu, Jiajie Xu, Zhixu Li, Pengpeng Zhao, Lei Zhao

World Wide Web, 2017

Crowd-Guided Entity Matching with Consolidated Textual Data.

Zhixu Li, Qiang Yang, An Liu, Guanfeng Liu, Jia Zhu, Jia-Jie Xu, Kai Zheng, Min Zhang

J. Comput. Sci. Technol., 2017

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, 2017

Social Personalized Ranking Embedding for Next POI Recommendation.

Yan Long, Pengpeng Zhao, Victor S. Sheng, Guanfeng Liu, Jiajie Xu, Jian Wu, Zhiming Cui

Proceedings of the Web Information Systems Engineering - WISE 2017, 2017

Outlier Trajectory Detection: A Trajectory Analytics Based Approach.

Zhongjian Lv, Jiajie Xu, Pengpeng Zhao, Guanfeng Liu, Lei Zhao, Xiaofang Zhou

Proceedings of the Database Systems for Advanced Applications, 2017

Multi-objective Spatial Keyword Query with Semantics.

Jing Chen, Jiajie Xu, Chengfei Liu, Zhixu Li, An Liu, Zhiming Ding

Proceedings of the Database Systems for Advanced Applications, 2017

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, 2017

Privacy-Preserving Collaborative Web Services QoS Prediction via Differential Privacy.

Shushu Liu, An Liu, Zhixu Li, Guanfeng Liu, Jiajie Xu, Lei Zhao, Kai Zheng

Proceedings of the Web and Big Data - First International Joint Conference, 2017

2016

On personalized and sequenced route planning.

Jian Dai, Chengfei Liu, Jiajie Xu, Zhiming Ding

World Wide Web, 2016

Resource Management for Business Process Scheduling in the Presence of Availability Constraints.

Jiajie Xu, Chengfei Liu, Xiaohui Zhao, Sira Yongchareon, Zhiming Ding

ACM Trans. Manag. Inf. Syst., 2016

Context-Based Moving Object Trajectory Uncertainty Reduction and Ranking in Road Network.

Jian Dai, Zhiming Ding, Jiajie Xu

J. Comput. Sci. Technol., 2016

On Efficient Spatial Keyword Querying with Semantics.

Zhihu Qian, Jiajie Xu, Kai Zheng, Wei Sun, Zhixu Li, Haoming Guo

Proceedings of the Database Systems for Advanced Applications, 2016

An Efficient Location-Aware Top-k Subscription Matching for Publish/Subscribe with Boolean Expressions.

Hanhan Jiang, Pengpeng Zhao, Victor S. Sheng, Jiajie Xu, An Liu, Jian Wu, Zhiming Cui

Proceedings of the Database Systems for Advanced Applications, 2016

A Hybrid Method for POI Recommendation: Combining Check-In Count, Geographical Information and Reviews.

Xiefeng Xu, Pengpeng Zhao, Guanfeng Liu, Caidong Gu, Jiajie Xu, Jian Wu, Zhiming Cui

Proceedings of the Web Technologies and Applications - 18th Asia-Pacific Web Conference, 2016

2015

Trip Oriented Search on Activity Trajectory.

Wei Chen, Lei Zhao, Jiajie Xu, Guanfeng Liu, Kai Zheng, Xiaofang Zhou

J. Comput. Sci. Technol., 2015

Efficient route search on hierarchical dynamic road networks.

Jiajie Xu, Yunjun Gao, Chengfei Liu, Lei Zhao, Zhiming Ding

Distributed Parallel Databases, 2015

HV: A Feature Based Method for Trajectory Dataset Profiling.

Wei Jiang, Jie Zhu, Jiajie Xu, Zhixu Li, Pengpeng Zhao, Lei Zhao

Proceedings of the Web Information Systems Engineering - WISE 2015, 2015

Ranked Reverse Boolean Spatial Keyword Nearest Neighbors Search.

Hailin Fang, Pengpeng Zhao, Victor S. Sheng, Zhixu Li, Jiajie Xu, Jian Wu, Zhiming Cui

Proceedings of the Web Information Systems Engineering - WISE 2015, 2015

Effective Sampling of Points of Interests on Maps Based on Road Networks.

Ziting Zhou, Pengpeng Zhao, Victor S. Sheng, Jiajie Xu, Zhixu Li, Jian Wu, Zhiming Cui

Proceedings of the Web-Age Information Management - 16th International Conference, 2015

Interactive Top-k Spatial Keyword queries.

Kai Zheng, Han Su, Bolong Zheng, Shuo Shang, Jiajie Xu, Jiajun Liu, Xiaofang Zhou

Proceedings of the 31st IEEE International Conference on Data Engineering, 2015

Efficient Trip Planning for Maximizing User Satisfaction.

Chenghao Zhu, Jiajie Xu, Chengfei Liu, Pengpeng Zhao, An Liu, Lei Zhao

Proceedings of the Database Systems for Advanced Applications, 2015

Scalable Top- k Spatial Image Search on Road Networks.

Pengpeng Zhao, Xiaopeng Kuang, Victor S. Sheng, Jiajie Xu, Jian Wu, Zhiming Cui

Proceedings of the Database Systems for Advanced Applications, 2015

On Efficient Passenger Assignment for Group Transportation.

Jiajie Xu, Guanfeng Liu, Kai Zheng, Chengfei Liu, Haoming Guo, Zhiming Ding

Proceedings of the Database Systems for Advanced Applications, 2015

Discovering Organized POI Groups in a City.

Yanxia Xu, Guanfeng Liu, Hongzhi Yin, Jiajie Xu, Kai Zheng, Lei Zhao

Proceedings of the Database Systems for Advanced Applications, 2015

An Efficient Method to Find the Optimal Social Trust Path in Contextual Social Graphs.

Guanfeng Liu, Lei Zhao, Kai Zheng, An Liu, Jiajie Xu, Zhixu Li, Athman Bouguettaya

Proceedings of the Database Systems for Advanced Applications, 2015

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, 2015

PPS-POI-Rec: A Privacy Preserving Social Point-of-Interest Recommender System.

Xiao Liu, An Liu, Guanfeng Liu, Zhixu Li, Jiajie Xu, Pengpeng Zhao, Lei Zhao

Proceedings of the Web Technologies and Applications - 17th Asia-PacificWeb Conference, 2015

A Secure and Efficient Framework for Privacy Preserving Social Recommendation.

Shushu Liu, An Liu, Guanfeng Liu, Zhixu Li, Jiajie Xu, Pengpeng Zhao, Lei Zhao

Proceedings of the Web Technologies and Applications - 17th Asia-PacificWeb Conference, 2015

Effective Spatial Keyword Query Processing on Road Networks.

Hailin Fang, Pengpeng Zhao, Victor S. Sheng, Jian Wu, Jiajie Xu, An Liu, Zhiming Cui

Proceedings of the Databases Theory and Applications, 2015

2014

XBridge-Mobile: efficient XML keyword search on mobile web data.

Jianxin Li, Chengfei Liu, Jiajie Xu

Computing, 2014

Ranking Based Activity Trajectory Search.

Wei Chen, Lei Zhao, Jiajie Xu, Kai Zheng, Xiaofang Zhou

Proceedings of the Web Information Systems Engineering - WISE 2014, 2014

Rating Aware Route Planning in Road Networks.

Junqiang Dai, Wei Jiang, Guanfeng Liu, Jiajie Xu, Lei Zhao, An Liu

Proceedings of the Web-Age Information Management, 2014

An Efficient Trust-Oriented Trip Planning Method in Road Networks.

Junqiang Dai, Guanfeng Liu, Jiajie Xu, An Liu, Lei Zhao, Xiaofang Zhou

Proceedings of the 2014 IEEE 11th Intl Conf on Ubiquitous Intelligence and Computing and 2014 IEEE 11th Intl Conf on Autonomic and Trusted Computing and 2014 IEEE 14th Intl Conf on Scalable Computing and Communications and Its Associated Workshops, 2014

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, 2014

A Social Trust Path Recommendation System in Contextual Online Social Networks.

Guohao Sun, Guanfeng Liu, Lei Zhao, Jiajie Xu, An Liu, Xiaofang Zhou

Proceedings of the Web Technologies and Applications - 16th Asia-Pacific Web Conference, 2014

Moving Objects Management - Models, Techniques and Applications

Xiaofeng Meng, Zhiming Ding, Jiajie Xu

Springer, ISBN: 978-3-642-38276-5, 2014

2013

SeaCloudDM: a database cluster framework for managing and querying massive heterogeneous sensor sampling data.

Zhiming Ding, Jiajie Xu, Qi Yang

J. Supercomput., 2013

Discovering hot topics from geo-tagged video.

Kuien Liu, Jiajie Xu, Longfei Zhang, Zhiming Ding, Mingshu Li

Neurocomputing, 2013

Incorporating structural improvement into resource allocation for business process execution planning.

Jiajie Xu, Chengfei Liu, Xiaohui Zhao, Zhiming Ding

Concurr. Comput. Pract. Exp., 2013

Exploiting Structural Similarity for Automatic Information Extraction from Lists.

Dat T. Huynh, Jiajie Xu, Shazia Wasim Sadiq, Xiaofang Zhou

Proceedings of the Web Information Systems Engineering - WISE 2013, 2013

An Efficient Map-Matching Mechanism for Emergency Scheduling and Commanding.

Yaguang Li, Kuien Liu, Jiajie Xu, Fengcheng He

Proceedings of the Web-Age Information Management, 2013

IOT-StatisticDB: A General Statistical Database Cluster Mechanism for Big Data Analysis in the Internet of Things.

Zhiming Ding, Xu Gao, Jiajie Xu, Hong Wu

Proceedings of the 2013 IEEE International Conference on Green Computing and Communications (GreenCom) and IEEE Internet of Things (iThings) and IEEE Cyber, 2013

On Efficient Map-Matching According to Intersections You Pass By.

Yaguang Li, Chengfei Liu, Kuien Liu, Jiajie Xu, Fengcheng He, Zhiming Ding

Proceedings of the Database and Expert Systems Applications, 2013

2012

Effective map-matching on the most simplified road network.

Kuien Liu, Yaguang Li, Fengcheng He, Jiajie Xu, Zhiming Ding

Proceedings of the SIGSPATIAL 2012 International Conference on Advances in Geographic Information Systems (formerly known as GIS), 2012

Traffic Aware Route Planning in Dynamic Road Networks.

Jiajie Xu, Limin Guo, Zhiming Ding, Xiling Sun, Chengfei Liu

Proceedings of the Database Systems for Advanced Applications, 2012

An Efficient Overload Control Strategy in Cloud.

Xiling Sun, Jiajie Xu, Zhiming Ding, Xu Gao, Kuien Liu

Proceedings of the Web Technologies and Applications, 2012

2010

An Artifact-Centric Approach to Generating Web-Based Business Process Driven User Interfaces.

Sira Yongchareon, Chengfei Liu, Xiaohui Zhao, Jiajie Xu

Proceedings of the Web Information Systems Engineering - WISE 2010, 2010

Business Process Scheduling with Resource Availability Constraints.

Jiajie Xu, Chengfei Liu, Xiaohui Zhao, Sira Yongchareon

Proceedings of the On the Move to Meaningful Internet Systems: OTM 2010, 2010

2009

Resource Planning for Massive Number of Process Instances.

Jiajie Xu, Chengfei Liu, Xiaohui Zhao

Proceedings of the On the Move to Meaningful Internet Systems: OTM 2009, 2009

2008

Resource Allocation vs. Business Process Improvement: How They Impact on Each Other.

Jiajie Xu, Chengfei Liu, Xiaohui Zhao

Proceedings of the Business Process Management, 6th International Conference, 2008

2006

Calculation of Target Locations for Web Resources.

Saeid Asadi, Jiajie Xu, Yuan Shi, Joachim Diederich, Xiaofang Zhou

Proceedings of the Web Information Systems, 2006