About: http://webisa.webdatacommons.org/199788553

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	For example, in conjunction with the client script to enable/disable action buttons, custom attributes can be used to provide values used to determine whether to enable or disable buttons.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com