Pengkai Liu

According to our database, Pengkai Liu authored at least 14 papers between 2019 and 2023.

Collaborative distances:

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

2023

FPIRPQ: Accelerating regular path queries on knowledge graphs.

Xin Wang, Wenqi Hao, Yuzhou Qin, Baozhu Liu, Pengkai Liu, Yanyan Song, Qingpeng Zhang, Xiaofei Wang

World Wide Web (WWW), March, 2023

Optimizing subgraph matching over distributed knowledge graphs using partial evaluation.

Yanyan Song, Yuzhou Qin, Wenqi Hao, Pengkai Liu, Jianxin Li, Farhana Murtaza Choudhury, Xin Wang, Qingpeng Zhang

World Wide Web (WWW), March, 2023

TransO: a knowledge-driven representation learning method with ontology information constraints.

Zhao Li, Xin Liu, Xin Wang, Pengkai Liu, Yuxin Shen

World Wide Web (WWW), January, 2023

2022

KGVQL: A knowledge graph visual query language with bidirectional transformations.

Pengkai Liu, Xin Wang, Qiang Fu, Yajun Yang, Yuan-Fang Li, Qingpeng Zhang

Knowl. Based Syst., 2022

HET-KG: Communication-Efficient Knowledge Graph Embedding Training via Hotness-Aware Cache.

Sicong Dong, Xupeng Miao, Pengkai Liu, Xin Wang, Bin Cui, Jianxin Li

Proceedings of the 38th IEEE International Conference on Data Engineering, 2022

OntoCA: Ontology-Aware Caching for Distributed Subgraph Matching.

Yuzhou Qin, Xin Wang, Wenqi Hao, Pengkai Liu, Yanyan Song, Qingpeng Zhang

Proceedings of the Web and Big Data - 6th International Joint Conference, 2022

2021

KGDB: Knowledge Graph Database System with Unified Model and Query Language.

Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li, Xiaowang Zhang, Yajun Yang

Int. J. Softw. Informatics, 2021

OntoSP: Ontology-Based Semantic-Aware Partitioning on RDF Graphs.

Sizhuo Li, Weixue Chen, Baozhu Liu, Pengkai Liu, Xin Wang, Yuan-Fang Li

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

Towards a Unified Knowledge Graph Data Management System.

Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li

Proceedings of the 2nd Workshop on Search, 2021

UniKG: A Unified Interoperable Knowledge Graph Database System.

Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li, Qiang Fu, Yunpeng Chai

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

OntoCSM: Ontology-Aware Characteristic Set Merging for RDF Type Discovery.

Pengkai Liu, Shunting Cai, Baozhu Liu, Xin Wang

Proceedings of the Database Systems for Advanced Applications, 2021

PAIRPQ: An Efficient Path Index for Regular Path Queries on Knowledge Graphs.

Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li, Xiaofei Wang

Proceedings of the Web and Big Data - 5th International Joint Conference, 2021

2020

An Ontology-Aware Unified Storage Scheme for Knowledge Graphs.

Sizhuo Li, Guozheng Rao, Baozhu Liu, Pengkai Liu, Sicong Dong, Zhiyong Feng

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

2019

A Unified Relational Storage Scheme for RDF and Property Graphs.

Ran Zhang, Pengkai Liu, Xiefan Guo, Sizhuo Li, Xin Wang

Proceedings of the Web Information Systems and Applications, 2019