About: http://webisa.webdatacommons.org/41630244

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	In one embodiment, each controller 303 is an instance of a defined ???controller??? class (e.g., a JAVA class) which includes a ???tracing??? sub-class to provide features specific to tracing operations.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com