About: http://webisa.webdatacommons.org/211409429

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	These approaches are largely unsupervised and work well because the quality (information density) of semantic data is higher than data about keywords, votes, and other inputs to social-IR system.
http://www.w3.org/ns/prov#wasQuotedFrom	gen5.info