About: http://webisa.webdatacommons.org/253119225

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	Secondly, if there are less than 3 items on the last row, these should not appear centered on the row, i.e. if there are only two items then the last 'cell' should just be empty.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com