About: http://webisa.webdatacommons.org/210718194

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	You can use window.onerror event to get a handle on any error which is not caught. (Note: I am not sure about browsers other than IE)
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com