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

ER - Intl Conf on Conceptual Modeling

Transposed Storage of an Object Database to Reduce the Cost of Schema Changes

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Modifying the schema of a populated database is an expensive operation. We propose to use the non-classical transposed storage...

Behavior Consistent Inheritance in UML

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Object-oriented design methods express the behavior an object exhibits over time, i.e., the object life cycle, by notations based...

A Survey of Current Methods for Integrity Constraint Maintenance and View Updating

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During the process of updating a database, two interrelated problems could arise. On one hand, when an update is...

The Viewpoint Abstraction in ObjectOriented Modeling and the UML

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In object-oriented (OO) development the viewpoint abstraction has attracted by far less attention than classical abstraction mechanisms, such as...

XML Conceptual Modeling Using UML

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The eXtensible Markup Language (XML) is increasingly finding acceptance as a standard for storing and exchanging structured and semi-structured...

Metadata Engineering for Corporate Portals Using XML

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Careful analysis and preparation is required in order to prepare for XML-based delivery of data via Corporate Portals. This...

The Role of Information Resource Management in Managing a Corporate Portal

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The Corporate Portal is a central gateway to the processes, databases, systems and workflows of an enterprise. When personalized...

The Five-Tier Five-Schema Concept

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Many types of data models are being developed using a variety of different methods and notations. Some of these...

Documenting Meta Data Transformations

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The adequate cross-referencing of a physical database and its logical model is crucial for software maintenance support. The paper...

Advanced Data Model Patterns

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The book Data Model Patterns: Conventions of Thought describes a set of standard data models that can be applied...