About: http://webisa.webdatacommons.org/412168569

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	The service offers more than 500,000 videos, books and other resources from schools and libraries around the world.iTunes U is free and is available at Apple???s iTunes-based App Store.
http://www.w3.org/ns/prov#wasQuotedFrom	macobserver.com