About: http://webisa.webdatacommons.org/340166347

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	How can i cancel the request as there is no reference to the operation after i add it to the NSOperationQueue.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com