About: http://webisa.webdatacommons.org/76121392

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	I do not know how is your site, but I think is a waste to add a 80x80 thumb if you have a 150x150, you can use the 150x150 and scale it down with css.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com