Premodifier: water
Head noun: infiltration

Same concepts
http://dbpedia.org/resource/Infiltration_(hydrology)

Broader concepts

labelprovenanceconfidence
various structural problemisap:1100057860.785249
issueisap:678545590.641483
soil physical propertyisap:4089869220.639023
problemisap:1100057830.524460

Narrower concepts

labelprovenanceconfidence
roofisap:3137915540.254907