About: relational databases

Premodifier: relational
Head noun: databases

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

Broader concepts

label	provenance	confidence
variety of datum source	isap:28962862	0.698254
technology	isap:42790443	0.565011
source	isap:134099026	0.561276
system	isap:134107765	0.462665
database	isap:411097993	0.399756
thing	isap:16202087	0.336782

Narrower concepts

label	provenance	confidence
oracle	isap:425039497	0.431910