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

Publications

Capturing Telic/Atelic Temporal Data Semantics: Generalizing Conventional Conceptual Models

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Time provides context for all our experiences, cognition, and coordinated collective action. Prior research in linguistics, artificial intelligence, and...

Comparing Relationships in Conceptual Modeling: Mapping to Semantic Classifications

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Much of the research that deals with understanding the real world and representing it in a conceptual model uses...

Propositional Logic Constraint Patterns and Their Use in UML-Based Conceptual Modeling and Analysis

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An important conceptual modeling activity in the development of database, object-oriented and agent-oriented systems is the capture and expression...

The Context and the SitBAC Models for Privacy Preservation—An Experimental Comparison of Model Comprehension...

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Situation-Based Access Control (SitBAC) is a conceptual model for representing access control policies of healthcare organizations by characterizing situations...

Augmenting a Conceptual Model with Geospatiotemporal Annotations

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While many real-world applications need to organize data based on space (e.g., geology, geomarketing, environmental modeling) and/or time (e.g.,...

Extending BCDM to Cope with Proposals and Evaluations of Updates

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The cooperative construction of data/knowledge bases has recently had a significant impulse (see, e.g., Wikipedia ). In cases in...

A Conceptual Clustering Algorithm for Database Schema Design

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Conceptual clustering techniques based on current theories of categorization provide a way to design database schemas that more accurately...

Practical Aspects of Teaching an Applied Database Cou rse

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The information systems curriculum recommendations proposed by ACM (Nunamaker et al., 1982), IFIP (Buckingham et al., 1987), DPMA (1991),...

AN APPROACH TO ANALYZING THE INFORMATION CONTENT OF EXISTING DATABASES

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Traditionally, application databases have bee n developed for efficiency of computer operations . The logical structure of the data...

How Good is that Data in the Warehouse?

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A data warehouse is an analytical database used for decision support. Data are copied from production databases, cleaned up,...