ConceptBase

levels for Entity-Relationship Diagrams displayed in the ConceptBase Graph Editor ConceptBase (a.k.a. ConceptBase.cc) is a deductive and object-oriented database management system developed at University of Skövde. Earlier development was done at University of Passau (1987-1992), University of Aachen (1992-2003), and University of Tilburg (1997-2013). It is mainly used for conceptual modeling and metamodeling in the domain of software engineering and related domains. ConceptBase.cc is free and open-source software. ConceptBase combines the following features: * Object-oriented concepts such as classes and inheritance * Deductive rules evaluated by a Datalog engine * Active rules conforming to the event condition action (ECA) paradigm * Recursive function definitions * Metamodeling with arbitrarily many abstraction levels (metaclasses, meta metaclasses) ConceptBase implements O-Telos, which is a variant of the knowledge representation Telos. The graphical user interface consists of a workbench to add new classes & objects and a highly configurable graph editor. The graphical types of nodes and linked can be defined via deductive rules, i.e. they can be context-specific.

levels for Entity-Relationship Diagrams displayed in the ConceptBase Graph Editor ConceptBase (a.k.a. ConceptBase.cc) is a deductive and object-oriented database management system developed at University of Skövde. Earlier development was done at University of Passau (1987-1992), University of Aachen (1992-2003), and University of Tilburg (1997-2013). It is mainly used for conceptual modeling and metamodeling in the domain of software engineering and related domains. ConceptBase.cc is free and open-source software. ConceptBase combines the following features: Object-oriented concepts such as classes and inheritance Deductive rules evaluated by a Datalog engine Active rules conforming to the event condition action (ECA) paradigm Recursive function definitions Metamodeling with arbitrarily many abstraction levels (metaclasses, meta metaclasses) ConceptBase implements O-Telos, which is a variant of the knowledge representation Telos. The graphical user interface consists of a workbench to add new classes & objects and a highly configurable graph editor. The graphical types of nodes and linked can be defined via deductive rules, i.e. they can be context-specific. ==External links== ConceptBase ConceptBase ECArules

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