About: http://webisa.webdatacommons.org/281185371

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	These systems are a collection of loosely coupled engines which may, if desired, have very different architectures and search algorithms, as may be desired based on the type of material (i.e., documents) they manage.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com