About: http://webisa.webdatacommons.org/200424064

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	The problem of generic, non-descriptive tags, like facebook, is a problem that applies to Stack Overflow as a whole (not just the Facebook mini site), and Stack Overflow already has a mechanism to solve it- meta-tags.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com