About: http://webisa.webdatacommons.org/250338972

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	It seems that there are 46 questions tagged unknown on SO. Looking at them, I am not sure the tag really adds anything, except maybe for the What programming language is this" questions.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com