PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This step is an iterative technique using the present inventive weight function and local optimizations, where the weight function, called a generalized median, produces less crossings by reducing the effects of widely spread nodes, and is inexpensive to compute.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com