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Theareaofgraphtransformationoriginatedinthelate1960sunderthename "e;graph grammars"e; - the main motivation came from practical considerations concerning pattern recognition and compiler construction. Since then, the list of areas which have interacted with the development of graph transformation has grown impressively. The areas include: software speci?cation and development, VLSI layout schemes, database design, modeling of concurrent systems, m- sively parallel computer architectures, logic programming, computer animation, developmentalbiology,musiccomposition,distributedsystems,speci?cationl- guages, software and web engineering, and visual languages. As a matter of fact, graph transformation is now accepted as a fundamental computation paradigm where computation includes speci?cation, programming, and implementation. Over the last three decades the area of graph transfor- tion has developed at a steady pace into a theoretically attractive research ?eld, important for applications. Thisvolume consistsofpapersselectedfromcontributionsto the Sixth Int- national Workshop on Theory and Applications of Graph Transformation that took place in Paderborn, Germany, November 16-20, 1998. The papers und- went an additional refereeing process which yielded 33 papers presented here (out of 55 papers presented at the workshop). This collection of papers provides a very broad snapshot of the state of the art of the whole ?eld today. They are grouped into nine sections representing most active research areas. Theworkshopwasthe sixth in a seriesof internationalworkshopswhich take place every four years. Previous workshops were called "e;Graph Grammars and Their Application to Computer Science"e;. The new name of the Sixth Workshop re?ectsmoreaccuratelythecurrentsituation,whereboththeoryandapplication play an equally central role.
Since their introduction nearly 40 years ago, research on Petri nets has diverged in many different directions. Various classes of Petri net, motivated either by theory or applications, with its own specific features and methods of analysis, have been proposed and studies in depth.These successful developments have led to a very heterogeneous landscape of diverse models, and this, in turn, has stimulated research on concepts and approaches that contribute to unifying and structuring the diverse landscape. This state-of-the-art survey presents the most relevant approaches to unifying Petri nets in a systematic and coherent way. The 14 chapters written by leading researchers are organized in topical sections on application-oriented approaches, unifying frameworks, and theoretical approaches.
In funf sorgfaltig aufeinander abgestimmten Teilen behandelt das Buch die wesentlichen mathematischen Elemente der formalen Spezifikation von Systemen und der Aussagen- und Pradikatenlogik, die fur das Verstandnis des formalisierten Problemlosens entscheidend und damit fur Informatiker unerlalich sind. Eine Einfuhrung in die intuitive Mengentheorie vermittelt zunachst notwendige mathematische Grundlagen. Motiviert durch das Konzept von Datenstrukturen und abstrakten Datentypen werden dann algebraische Strukturen in der Informatik behandelt. Danach werden Aussagen- und Pradikatenlogik aus der Sicht der Mathematik und Informatik dargestellt. Schlielich fuhrt die Kategorientheorie fur Informatiker in die Welt der abstrakten Behandlung mathematischer Strukturen ein.Die Neuauflage wurde erweitert um Darstellungen zur Modellalgebra und zur Implementierung. Ubungsaufgaben wurden erganzt.
This book is a comprehensive explanation of graph and model transformation. Then in the main part the book contains detailed chapters on M-adhesive categories, M-adhesive transformation systems, and multi-amalgamated transformations, and model transformation based on triple graph grammars.
The aim of this book is to present fundamentals of algebraicspecifications with respect to the following three aspects:fundamentals in the sense of a carefully motivatedintroduction to algebraic specifications, which is easy tounderstand for computer scientists and mathematicians;
Since the early seventies concepts of specification have become central in the whole area of computer science. The fundamentals of algebraic specification lay a basis for teaching, research, and development in all those fields of computer science where algebraic techniques are the subject or are used with advantage on a conceptual level.
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