Abstract and concrete categories
Abstract and concrete categories
Hyperedge replacement graph grammars
Handbook of graph grammars and computing by graph transformation
Algebraic approaches to graph transformation. Part I: basic concepts and double pushout approach
Handbook of graph grammars and computing by graph transformation
Science of Computer Programming
Graph transformation for specification and programming
Science of Computer Programming
The AGG approach: language and environment
Handbook of graph grammars and computing by graph transformation
Classification and comparison of module concepts for graph transformation systems
Handbook of graph grammars and computing by graph transformation
Hyperedge Replacement: Grammars and Languages
Hyperedge Replacement: Grammars and Languages
Graph Unification and Matching
Selected papers from the 5th International Workshop on Graph Gramars and Their Application to Computer Science
From Graph Transformation to Rule-Based Programming with Diagrams
AGTIVE '99 Proceedings of the International Workshop on Applications of Graph Transformations with Industrial Relevance
AGG - An Implementation of Algebraic Graph Rewriting
RTA '93 Proceedings of the 5th International Conference on Rewriting Techniques and Applications
Introduction to the Algebraic Theory of Graph Grammars (A Survey)
Proceedings of the International Workshop on Graph-Grammars and Their Application to Computer Science and Biology
WG '94 Proceedings of the 20th International Workshop on Graph-Theoretic Concepts in Computer Science
Pair grammars, graph languages and string-to-graph translations
Journal of Computer and System Sciences
Typing Graph-Manipulation Operations
ICDT '03 Proceedings of the 9th International Conference on Database Theory
Tutorial Introduction to Graph Transformation: A Software Engineering Perspective
ICGT '02 Proceedings of the First International Conference on Graph Transformation
Distributed Graph Transformation Units
ICGT '02 Proceedings of the First International Conference on Graph Transformation
An Integrated Semantics for UML Class, Object and State Diagrams Based on Graph Transformation
IFM '02 Proceedings of the Third International Conference on Integrated Formal Methods
Visual language and graph-based structures in conceptual design
Advanced Engineering Informatics
New visual languages supporting design of multi-storey buildings
Advanced Engineering Informatics
Abstraction and training of stochastic graph transformation systems
FASE'13 Proceedings of the 16th international conference on Fundamental Approaches to Software Engineering
Knowledge Representation for Human-Computer Interaction in a System Supporting Conceptual Design
Fundamenta Informaticae - Cognitive Informatics and Computational Intelligence: Theory and Applications
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We present an approach for the rule-based transformation of hierarchically structured (hyper)graphs. In these graphs, distinguished hyperedges contain graphs that can be hierarchical again. Our framework extends the double-pushout approach from flat to hierarchical graphs. In particular, we show how to construct recursively pushouts and pushout complements of hierarchical graphs and graph morphisms. To further enhance the expressiveness of the approach, we also introduce rule schemata with variables which allow to copy and to remove hierarchical subgraphs.