Self-Supervised Chinese Ontology Learning from Online Encyclopedias

Table 5

Concept extraction result.

Concept source	Quantity	Precision	Opt
From toxonomy system	104,803	1.000	Select
From category label
In Chinese-Wikipedia	7,622	0.990	Select
In Hudong-Baike	82,328	0.824	Discard
In Baidu-Baike	430,951	0.672	Discard
In Hudong-Baike and Baidu-Baike	76,923	0.972	Select
Total	84,545
From hyponymy relation	75,592	0.964	Select
Total	264,940	0.981