About: http://webisa.webdatacommons.org/4991797

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	Actually, ping is an option provided on certain websites to let search engines know there is some change made on a particular website.
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com