PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some casual measurements on my system showed pthread_create taking about twice as much time as open(/dev/null, O_RDWR), which is very expensive relative to pure computation but very cheap relative to any IO or other operations which would involve switching between user and kernel space.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com