About: sand filter

Premodifier: sand
Head noun: filter

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

Broader concepts

label	provenance	confidence
conventional filter	isap:388212164	0.782085
alternative system	isap:391913989	0.752313
filter	isap:388211406	0.723187
treatment facility	isap:100272647	0.694805
option	isap:397098620	0.638803
type of septic system	isap:493757721	0.615859
system	isap:391913961	0.591847
means	isap:123390480	0.531478
treatment	isap:423929850	0.502596
chamber	isap:446638932	0.351151
pool	isap:492682096	0.325368

Narrower concepts

label	provenance	confidence
filter	isap:388211468	0.210833
filtration	isap:253769681	0.172164
pond	isap:308999052	0.166433
system	isap:387312150	0.161557