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

ER - Intl Conf on Conceptual Modeling

A repository meta model for interactive systems

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Developers of interactive systems need a design process that looks ahead to expose conflicting implications of decisions made by...

ER-based Information Retrieval in a mixed database environment

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This paper presents an integrated Four Tools approach to providing an ER-based Information Retrieval Interface for mixed database environments,...

A framework for automatic clustering of semantic models

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This article is concerned with the development, application and implication of automatic clustering of Entity-Relationship (E-R) diagrams and object...

A semantic comparison of the modelling capabilities of the ER and NIAM models

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Conceptual design (conceptual modelling) is the most important phase in database design as it results in a conceptual schema,...

From entity-relationship models to role-attribute models

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This paper is a short presentation of the SOM (Semantic Object Model) approach. SOM was created to fulfill two...

Design and implementation of derived entities

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To allow an utilization of database system trigger mechanisms and application generators for information systems implementation, entity derivation is...

Analysis of binary relationships within ternary relationships in ER modeling

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In this paper, we discuss which binary relationship cardinalities are permitted within ternary relationships, during ER modeling. We develop...

Searching for compositions in ER schemes

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Absence of redundancy is an important quality of ER schemata. Adequate treatment of derivable data, in addition to observing...

Using conceptual graph theory to support schema integration

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Two major problems in schema integration are to identify correspondences between different conceptual schemas and to verify that the...

Enhancing the quality of conceptual database specifications through validation

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In this article, we present a validation approach and method to support the development of database applications. We explain...