About: http://webisa.webdatacommons.org/254542707

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	QuoteIf you are using Visual Studio 2010, and you simply must have Intellisense with your C++ code, then yes it is worth the money, especially for large projects.
http://www.w3.org/ns/prov#wasQuotedFrom	dreamincode.net