About: http://webisa.webdatacommons.org/177266644

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	Sites such as Google and YouTube were built in Python, which dates back to 1991, while Twitter and Hulu were built on Ruby???s rails (1995) and Wikipedia and Facebook were constructed in PHP (also introduced in 1995).
http://www.w3.org/ns/prov#wasQuotedFrom	geekwithlaptop.com