About: http://webisa.webdatacommons.org/5156573

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	You probably need to convert data and update such customizations as list views, reports, and workflow rules so they continue to work with the new field type.
http://www.w3.org/ns/prov#wasQuotedFrom	salesforce.com