About: http://webisa.webdatacommons.org/132063081

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	I have no idea whether they were undocumented or not; their prices were a little higher, but the work was done professionally and efficiently.
http://www.w3.org/ns/prov#wasQuotedFrom	city-data.com