About: http://webisa.webdatacommons.org/182209920

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Porous matrix materials are materials which have pores, voids or other interconnected openings or regions which can contain other materials, such as liquids, gels, microcapsules or granules.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com