About: http://webisa.webdatacommons.org/294917396

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	Preferable examples of the porous material include carbon, and examples of the carbon include carbon black, such as Ketjen black, acetylene black, channel black, furnace black, and mesoporous carbon; active carbon; and a carbon fiber.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com