About: natural key

Premodifier: natural
Head noun: key

Same concepts
http://dbpedia.org/resource/Natural_key

Broader concepts

label	provenance	confidence
surrogate key	isap:280062615	0.429463

Narrower concepts

label	provenance	confidence
social security number	isap:403158416	0.611748
primary key	isap:280062845	0.545921
name	isap:128389970	0.207911