About: http://webisa.webdatacommons.org/141025148

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	Hi Mike, you are well to point out some key differences between WolframAlpha and a regular search engine, but some of your comparisons are a bit of a stretch, if not disingenuous:
http://www.w3.org/ns/prov#wasQuotedFrom	oreilly.com