About: http://webisa.webdatacommons.org/131998354

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	They have said that the grouping limits are mostly set by how your account is structured, just be sure to keep in mind the overall account keyword limits. *Each negative keyword at this level can contain up to 100 characters.
http://www.w3.org/ns/prov#wasQuotedFrom	searchenginewatch.com