Knowledge Systems Laboratory, Stanford
University
2
Overview
uRDF is used to specify semantics for data expressed in XML in a standardized, interoperable manner
uRDF is a simple frame language
„Data is
described in relational sentences using binary relations
„Classes and
relations are defined in schema
„Classes are
organized in subclass hierarchies
„Domain and
range constraints on relations are supported
uProvides interoperability between applications that exchange machine-understandable information on the Web