About: http://webisa.webdatacommons.org/447866302

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	In the old days, you used to have to develop this all by yourself, using technologies such as Ruby on Rails or PHP (examples in this tutorial and this tutorial).
http://www.w3.org/ns/prov#wasQuotedFrom	raywenderlich.com