About: http://webisa.webdatacommons.org/221502622

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	I only knew some open source software by their names, such as LibreOffice and Ubuntu, from friends who have used them, yet I didn't bother to look more into it at the time.
http://www.w3.org/ns/prov#wasQuotedFrom	opensource.com