About: http://webisa.webdatacommons.org/286107241

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	Regardless of API strength or purpose, anything to help us better do our job is a...Page Visibility APIOne event he is always been lacking within the document is a signal for when the user is looking at a given tab, or another tab.
http://www.w3.org/ns/prov#wasQuotedFrom	davidwalsh.name