About: http://webisa.webdatacommons.org/402470857

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 this case the user should be checking to see if the result was NULL and handle the error appropriately rather than happily accepting 0 and not knowing if there was an error or if that was the correct result.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org