About: http://webisa.webdatacommons.org/156321515

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	creates a single comments = { } object that is attached to the API.FeedItem prototype and thus is shared by all instances of API.FeedItem; in other words, the comment is a lie, he is not an instance variable.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com