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

ER - Intl Conf on Conceptual Modeling

Neural network technology to support view integration

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The most difficult and time consuming activity to perform during view integration is to find correspondences between different view...

Database schema transformation and optimization

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An application structure is best modeled first as a conceptual schema, and then mapped to an internal schema for...

Mapping an extended entity-relationship schema into a schema of complex objects

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With the advent of object-oriented database systems, there is an urgent need to define a methodology for mapping a...

Normative language approach a framework for understanding

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The development of information systems often presents communication problems between developers and users, because the languages used by both...

Assertion of consistency within a complex object database using a relationship construct

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We define semantic overlapping as the description of different points of view on the same application context in different...

Improving quality in conceptual modelling by the use of schema transformations

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The quality of the results produced in the early phases of systems development is a major factor in determining...

A cryptographic mechanism for object-instance-based authorization in object-oriented database systems

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In this paper a mechanism for access control at the instance level of a class in object-oriented databases is...

An approach to maintaining optimized relational representations of entity-relationship schemas

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This paper presents a redesign method for maintaining optimized relational representations of entity-relationship schemas. This method is based on...

Transforming conceptual models to object-oriented database designs: Practicalities, properties, and peculiarities

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More work is needed on devising practical, but theoretically well-founded procedures for doing object-oriented database (OODB) design. Besides being...

Representing partial spatial information in databases

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In this paper we present a spatial data model which facilitates the representation of and reasoning with various forms...