About: http://webisa.webdatacommons.org/109334004

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	In applications where the data is corrupted, i.e. is incorrect, ambiguous, having alternate forms or has changed over time, the problem of integrating multiple databases is particularly challenging.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com