PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Applications such as MapReduce, Hive, Pig etc. can now request for memory to be cached (for the curios, we use a combination of mmap, mlock to achieve this) and then read it directly off the Datanode???s address space for extremely efficient scans by avoiding disk altogether.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hortonworks.com