About: http://webisa.webdatacommons.org/112697503

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	There are four parts to an engine that you need to know about for optimization purposes: ??? ??? ??? ??? The spider is a program that goes out across the internet, looks for and gathers up web pages.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com