About: http://webisa.webdatacommons.org/401508161

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	This one is easy, like you say, but I will admit that it threw me on my first pass ??? I initially assumed that complex was an adjective, meaning complicated and houses was a noun meaning dwellings.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com