About: http://webisa.webdatacommons.org/438277729

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	Another option would be to examine the return value from the call to the JavaSpace, which could a useful logging enhancement for determining whether a read or take succeeded, that is, a non-null value was returned.
http://www.w3.org/ns/prov#wasQuotedFrom	artima.com