Head noun: biofilter
| Same concepts | 
|---|
| http://dbpedia.org/resource/Biofilter | 
Broader concepts
| label | provenance | confidence | 
|---|---|---|
| control system | isap:135999575 | 0.386702 | 
| biological process | isap:26613188 | 0.333976 | 
| equipment | isap:353196783 | 0.235845 | 
| function | isap:412302058 | 0.085746 | 
Narrower concepts
| label | provenance | confidence | 
|---|