About: http://webisa.webdatacommons.org/411231410

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	They were tested according to functionality - OS compatibility, the ability to filter content according to keywords, topics and URLs and blocking ability for different types of content.
http://www.w3.org/ns/prov#wasQuotedFrom	tgdaily.com