About: drainage area

Premodifier: drainage
Head noun: area

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

Broader concepts

label	provenance	confidence
characteristic	isap:477034663	0.586468
improvement	isap:417253234	0.439580
variable	isap:457053398	0.384028

Narrower concepts

label	provenance	confidence
area	isap:167352235	0.369041
tributary	isap:150318698	0.343725
basin	isap:201816233	0.247621
wetland	isap:72241642	0.216278