About: http://webisa.webdatacommons.org/157350821

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	It automatically shortens your URLS when you want to post to twitter, facebook, or other sites.Su.pr is currently undergoing maintenance, but the rest of the website and its other features are still accessible.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net