Layered RDF: An object-oriented approach to web information representation
Web Intelligence and Agent Systems
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A framework on web information representation,extraction and derivation utilising the object-orientedapproach is proposed in this paper. We define astructure which is similar to a class in object-orienteddesign and programming, and name it as an extendedclass (eclass). An eclass contains data attributes,member functions/methods, inference rules andpresentations, and therefore, facilities informationderivation and web presentation. As an object-orientedapproach, the framework also supports encapsulation,polymorphism, composition and inheritance. It can beimplemented as an extension of an existing object-orientedprogramming language. An eclass can beextremely effective in content-dependent entitydescription. It describes a value under its context,consequently, the search engine not only searches thevalue, but also understands the meaning of the value inthe context. We argue that information in any form orcomplexity can always be represented by instances ofeclasses.