About: http://webisa.webdatacommons.org/211312740

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	These errors happen when loading scripts and other external resources (such as images) on other domains via HTTP when the main page (which is your Facebook app, in your case) is loaded via HTTPS.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com