基于核心实体与局部子图的知识图谱增量更新方法

彭商濂,娄颖,冯丽

Incremental update method for knowledge graphs based on core entities and local subgraphs

Shanglian PENG,Ying LOU,Li FENG

表 1 不同增量更新方法在2个数据集上的更新延迟比较

Tab.1 Update latency comparison of different incremental update methods on two datasets

方法 L/s, Wikidata-EN L/s, YAGO2 n=1 000 n =5 000 n =10 000 n=1 000 n=5 000 n=10 000 Full-Recon 420.3 ± 12.5 2100.8 ± 45.2 4205.6 ± 60.4 310.9 ± 9.3 1555.4 ± 35.7 3110.2 ± 58.8 Global-Fine 95.2 ± 5.1 460.7 ± 12.8 925.3 ± 20.6 72.4 ± 4.5 354.1 ± 10.2 709.8 ± 18.4 Rule-Update 40.8 ± 3.7 205.4 ± 7.9 405.2 ± 10.1 30.2 ± 2.9 151.7 ± 8.0 300.5 ± 9.6 本研究 28.5 ± 2.4 140.2 ± 6.3 280.6 ± 11.7 18.9 ± 1.8 95.4 ± 5.7 190.8 ± 10.3