A Unified Relational Storage Scheme for RDF and Property Graphs. - Ran Zhang; Pengkai Liu; Xiefan Guo; Sizhuo Li; Xin Wang 030 (WISA, 2019)

An Ontology-Aware Unified Storage Scheme for Knowledge Graphs. - Sizhuo Li; Guozheng Rao; Baozhu Liu; Pengkai Liu; Sicong Dong; Zhiyong Feng 002 (APWeb/WAIM (1), 2020)

PAIRPQ: An Efficient Path Index for Regular Path Queries on Knowledge Graphs. - Baozhu Liu; Xin Wang 030; Pengkai Liu; Sizhuo Li; Xiaofei Wang 001 (APWeb/WAIM (2), 2021)

OntoCSM: Ontology-Aware Characteristic Set Merging for RDF Type Discovery. - Pengkai Liu; Shunting Cai; Baozhu Liu; Xin Wang 030 (DASFAA (1), 2021)

UniKG: A Unified Interoperable Knowledge Graph Database System. - Baozhu Liu; Xin Wang 030; Pengkai Liu; Sizhuo Li; Qiang Fu; Yunpeng Chai (ICDE, 2021)

Towards a Unified Knowledge Graph Data Management System. - Baozhu Liu; Xin Wang 030; Pengkai Liu; Sizhuo Li (SEA-Data@VLDB, 2021)

OntoSP: Ontology-Based Semantic-Aware Partitioning on RDF Graphs. - Sizhuo Li; Weixue Chen; Baozhu Liu; Pengkai Liu; Xin Wang 030; Yuan-Fang Li (WISE (1), 2021)

KGDB: Knowledge Graph Database System with Unified Model and Query Language. - Baozhu Liu; Xin Wang 030; Pengkai Liu; Sizhuo Li; Xiaowang Zhang; Yajun Yang (Int. J. Softw. Informatics, 2021)

OntoCA: Ontology-Aware Caching for Distributed Subgraph Matching. - Yuzhou Qin; Xin Wang 030; Wenqi Hao; Pengkai Liu; Yanyan Song; Qingpeng Zhang (APWeb/WAIM (1), 2022)

HET-KG: Communication-Efficient Knowledge Graph Embedding Training via Hotness-Aware Cache. - Sicong Dong; Xupeng Miao; Pengkai Liu; Xin Wang 030; Bin Cui 001; Jianxin Li 001 (ICDE, 2022)

KGVQL: A knowledge graph visual query language with bidirectional transformations. - Pengkai Liu; Xin Wang 030; Qiang Fu; Yajun Yang; Yuan-Fang Li; Qingpeng Zhang (Knowl. Based Syst., 2022)

TransO: a knowledge-driven representation learning method with ontology information constraints. - Zhao Li 009; Xin Liu; Xin Wang 030; Pengkai Liu; Yuxin Shen (World Wide Web (WWW), 2023)

Optimizing subgraph matching over distributed knowledge graphs using partial evaluation. - Yanyan Song; Yuzhou Qin; Wenqi Hao; Pengkai Liu; Jianxin Li 001; Farhana Murtaza Choudhury; Xin Wang 030; Qingpeng Zhang (World Wide Web (WWW), 2023)

FPIRPQ: Accelerating regular path queries on knowledge graphs. - Xin Wang 030; Wenqi Hao; Yuzhou Qin; Baozhu Liu; Pengkai Liu; Yanyan Song; Qingpeng Zhang; Xiaofei Wang 001 (World Wide Web (WWW), 2023)