PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To allow for greater extensibility, many authors choose a bipartite architecture in which the low-level routines, including the redisplay, are implemented in a language such as C or assembler, and the high-level commands are implemented in a simple interpreted extension language that can only access the inner editor via an API. The extension language of the outer editor is often Lisp-like (in
http://www.w3.org/ns/prov#wasQuotedFrom
  • drdobbs.com