Pengkai Liu

Publication Activity (10 Years)

Years Active: 2019-2023
Publications (10 Years): 14

Top Topics

Subgraph Matching

Ontological Knowledge

Top Venues

World Wide Web (WWW)

Publications

Xin Wang, Wenqi Hao, Yuzhou Qin, Baozhu Liu, Pengkai Liu, Yanyan Song, Qingpeng Zhang, Xiaofei Wang
FPIRPQ: Accelerating regular path queries on knowledge graphs. World Wide Web (WWW) 26 (2) (2023)
Zhao Li, Xin Liu, Xin Wang, Pengkai Liu, Yuxin Shen
TransO: a knowledge-driven representation learning method with ontology information constraints. World Wide Web (WWW) 26 (1) (2023)
Yanyan Song, Yuzhou Qin, Wenqi Hao, Pengkai Liu, Jianxin Li, Farhana Murtaza Choudhury, Xin Wang, Qingpeng Zhang
Optimizing subgraph matching over distributed knowledge graphs using partial evaluation. World Wide Web (WWW) 26 (2) (2023)
Yuzhou Qin, Xin Wang, Wenqi Hao, Pengkai Liu, Yanyan Song, Qingpeng Zhang
OntoCA: Ontology-Aware Caching for Distributed Subgraph Matching. APWeb/WAIM (1) (2022)
Pengkai Liu, Xin Wang, Qiang Fu, Yajun Yang, Yuan-Fang Li, Qingpeng Zhang
KGVQL: A knowledge graph visual query language with bidirectional transformations. Knowl. Based Syst. 250 (2022)
Sicong Dong, Xupeng Miao, Pengkai Liu, Xin Wang, Bin Cui, Jianxin Li
HET-KG: Communication-Efficient Knowledge Graph Embedding Training via Hotness-Aware Cache. ICDE (2022)
Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li, Qiang Fu, Yunpeng Chai
UniKG: A Unified Interoperable Knowledge Graph Database System. ICDE (2021)
Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li, Xiaofei Wang
PAIRPQ: An Efficient Path Index for Regular Path Queries on Knowledge Graphs. APWeb/WAIM (2) (2021)
Sizhuo Li, Weixue Chen, Baozhu Liu, Pengkai Liu, Xin Wang, Yuan-Fang Li
OntoSP: Ontology-Based Semantic-Aware Partitioning on RDF Graphs. WISE (1) (2021)
Pengkai Liu, Shunting Cai, Baozhu Liu, Xin Wang
OntoCSM: Ontology-Aware Characteristic Set Merging for RDF Type Discovery. DASFAA (1) (2021)
Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li, Xiaowang Zhang, Yajun Yang
KGDB: Knowledge Graph Database System with Unified Model and Query Language. Int. J. Softw. Informatics 11 (1) (2021)
Baozhu Liu, Xin Wang, Pengkai Liu, Sizhuo Li
Towards a Unified Knowledge Graph Data Management System. SEA-Data@VLDB (2021)
Sizhuo Li, Guozheng Rao, Baozhu Liu, Pengkai Liu, Sicong Dong, Zhiyong Feng
An Ontology-Aware Unified Storage Scheme for Knowledge Graphs. APWeb/WAIM (1) (2020)
Ran Zhang, Pengkai Liu, Xiefan Guo, Sizhuo Li, Xin Wang
A Unified Relational Storage Scheme for RDF and Property Graphs. WISA (2019)