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

Publications

Representing Crowd Knowledge: Guidelines for Conceptual Modeling of User-generated Content

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Organizations’ increasing reliance on externally produced information, such as online user-generated content (UGC) and crowdsourcing, challenges common assumptions about...

Analysis of Competing Data Structures: Does Ontological Clarity Produce Better End User Query Performance...

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End users respond to stakeholders' information requests by using query tools to retrieve information from their organizations’ data stores....

Superimposition: Augmenting Machine Learning Outputs with Conceptual Models for Explainable AI

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Machine learning has become almost synonymous with Artificial Intelligence (AI). However, it has many challenges with one of the...

The representation of rules in the ER model

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Production rules are the most commercially popular and successful structure for representing knowledge. The purpose of this paper is...

A methodology and tool for top-down relational database design

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This paper presents a methodology for logical design of relational schemas and integrity constraints using semantic binary schemas. This...

Conceptual design of object-oriented database schemas using the binary-relationship model

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We describe an algorithmic method for transforming a binary-relationship (BR) conceptual schema to an object-oriented (OO) database schema. The...

On mapping natural language constructs into relational algebra through E-R representation

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Research on accessing databases in natural language usually employs an intermediate form for the mapping process from natural language...

Descriptive specification of database object behaviour

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Traditional database design methodologies are not appropriate for the specific requirements of object-oriented database systems and new database application...

View update in entity-relationship approach

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The traditional problem of updating relational databases through views is an important practical problem that has attracted much interest....

Expressiveness in conceptual data modelling

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Conceptual data modelling techniques aim at the representation of data at a high level of abstraction. The Conceptualisation Principle...