About: http://webisa.webdatacommons.org/58318677

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	But they didn't, because they want the info regardless of whether you clicked or not.Except that they would need to read your cookie to know if you are signed into Google+ to know whether to put the +1 there at all.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org