About: http://webisa.webdatacommons.org/175360073

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 is ok when I save the html page in VS regularly, but when I refresh FF for example to test the page, and then continue editing in VS and save it with Ctrl+S immediately, the dialog appears.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com