PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Indoor environments such as homes and offices are difficult because the radio system has to deal with a phenomenon called ???multipath.??? Multipath is the effect of multiple received radio signals coming from reflections off walls, ceilings, floors, furniture, people and other objects.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com