About: rainwater collection

Premodifier: rainwater
Head noun: collection

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

Broader concepts

label	provenance	confidence
sustainable feature	isap:218380824	0.821245
sustainable technology	isap:399770008	0.749868
other feature	isap:218380841	0.730103
feature	isap:218380836	0.554291

Narrower concepts

label	provenance	confidence