About: http://webisa.webdatacommons.org/335363208

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	Yes, you can unify them very well using a search engine such as Apache Lucene and Solr.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com