M. Beyer, GAG: Ein graphischer Editor fur algebraische Graphgrammatiksysteme, Diplomarbeit, Technical University of Berlin, Dep. of Comp. Sci., 1991.  Home/Search   Document Not in Database   Summary   Related Articles

....algebraic graph grammars, parallel graph transformation 1 Introduction Although graph grammars have been investigated for more than 20 years only few graph grammar systems exist. For example, IPSEN [Nag87, Sch91] PAGGED [Got87a] or GraphEd [Him91] The algebraic graph grammar system Agg ([Bey91, LB93]) is a prototype implementation of the single pushout approach to graph rewriting. Agg is a purely graphical system, consisting of a graph editor and a transformation component. It combines the intuitiveness of graphical presentations made accessible by current workstation technology with the ....

....contents of all windows displaying the node (extended actions) This distinction will be reflected in our graph specification of Agg operations. In section 3 we present very first ideas towards a graph specification of an abstract version of the Agg system. The implementation of the Agg system ([Bey91]) contains the data structures representing graphs, their graphical attributes and an interface to X Window. We restrict the specification of the Agg system to the treatment of the graph structures and the logical part of the graphical representation. Agg states are represented as graphs where ....

M. Beyer, GAG: Ein graphischer Editor fur algebraische Graphgrammatiksysteme, Diplomarbeit, Technical University of Berlin, Dep. of Comp. Sci., 1991.

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