About: http://webisa.webdatacommons.org/344302448

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	Web workers is a mechanism for spinning off background threads to do processing that would otherwise slow the browser to a crawl.
http://www.w3.org/ns/prov#wasQuotedFrom	oreilly.com