About: http://webisa.webdatacommons.org/183318461

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	For example, the plus sign can warn the user that engaging with the advertisement unit 500 could cause the action to occur, such as advertisement changing in some way, i.e., expanding, increasing or growing.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com