PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention reduces the limitations, difficulties and disadvantages of the aforesaid designs by providing a block and connector system for erecting structures such as building walls, which can be assembled providing positive lock of the blocks and vertical and horizontal passages adapted to many uses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com