About: http://webisa.webdatacommons.org/198506302

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	Safari Extensions are created with new web standards such as HTML 5, CSS3 and existing ones like JavaScript, and each one has to pass Apple's tests before being made available and receiving a certificate (sound familiar?).
http://www.w3.org/ns/prov#wasQuotedFrom	pocket-lint.com