planning - designing - developing IT
Special Interest Group on Systems Analysis and Design

Data & Knowledge Engineering

Semantic verb classes and lexical conceptual structures for enhancing the conceptual modelling and the...

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In this document, we show how linguistic tools and resources such as organized classes of verbs and their semantic...

OCL-Lite: Finite reasoning on UML/OCL conceptual schemas

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To ensure the quality of an information system we must guarantee the correctness of theconceptual schema that represents the...

Definition libraries for conceptual modelling

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Conceptual modelling is a fundamental phase in the design of information systems in which knowledge about the Universe of...

Generalization/specialization and role in object oriented conceptual modeling

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The "IS A"-relationship and the mechanism of inheritance are powerful concepts that help to reduce complexity of models and...

Generating operation specifications from UML class diagrams: A model transformation approach

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One of the more tedious and complex tasks during the specification of conceptual schemas (CSs) is modeling the operations...

Extending the conceptual graph approach for data conceptual modelling

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Information Systems design methodologies include a phase called data conceptual modelling which corre- sponds to a true knowledge engineering...

An approach to testing conceptual schemas

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Conceptual schemas of information systems can be tested. The testing of conceptual schemas may be an important and practical...

Grammatical specification of domain ontologies

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This paper presents a formalism supporting the analysis and specification of domain ontologies. Themethod is founded theoretically on conventional...

A generic model for 3-dimensional conceptual modelling

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This article discusses two highly intertwined issues. Firstly, we discuss the lack of top-down abstraction mechanisms in data modelling...

A UML profile for multidimensional modelingin data warehouses

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The multidimensional (MD) modeling, which is the foundation of data warehouses (DWs), MD databases, and On-Line Analytical Processing (OLAP)...