About: http://webisa.webdatacommons.org/249521027

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	You can install this via your operating system's package manager -- you are likely to get farther with OSX, Linux, or UNIX than Windows but your mileage may vary -- but we recommend using a Ruby version manager such as RVM or rbenv.
http://www.w3.org/ns/prov#wasQuotedFrom	rubydoc.info