About: http://webisa.webdatacommons.org/282290304

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	Some lean toward specific tasks, such as sharing documents, while others provide a mix of features for bringing disparate groups together (see the sidebar Other Platforms").
http://www.w3.org/ns/prov#wasQuotedFrom	pcmag.com