| http://www.w3.org/ns/prov#value | - These and other additional features are described in U.S. Pat. Nos. 5,613,311, 5,608,977 and 5,641,063 which are incorporated by reference.Although the invention has been described with reference to a particular arrangement of parts, features and the like, many modifications and other embodiments of the invention will be apparent to one of ordinary skill in the art having thebenefit of the teachin
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