About: http://webisa.webdatacommons.org/337078291

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	(recommended) - why not have your groups be the categories, i.e. instead of having groups in the long list selector like A, B, etc. why not have the groups be Art, Business, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	geekchamp.com