| Summary: | 碩士 === 國立交通大學 === 資訊工程系 === 87 === The trend of AG systems is toward object-oriented technology and multi-level description of AG specification. In the thesis, we present our approach for specifying semantics, named Layered AG Model, from the viewpoint of the AG writer. It allows for the AG writer to divide the semantic meaning into two layers, one for describing the detailed structure of AG specification and the other for describing the main structure. The first layer, named the AG dependent layer, adopts the action routine approach and a new remote access mechanism. The mechanism introduces an atribute set whose elements containing the production rule id so that the size of returned remote attribute sets can be reduced. The second layer, named the AG independent layer, provides a component view for specifying semantic meaning. The layer can also be used to transform a well-define object-oriented architecture into the TYPE-SET part (the function prototype) of the semantic domain of AG specification and let the FUNC-SET part (the implementation part) be the well-define object-oriented code.
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