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

Publications

A Declarative XML-RL Update Language

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With the wide adoption of XML, it is a natural requirement to allow users to directly update XML documents....

Strategy for Database Application Evolution: The DB-MAIN Approach

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While recent data management technologies, e.g., object-oriented, address the problem of databases schema evolution, standard information systems currently in...

Resolving Structural Conflicts in the Integration of XML Schemas: A Semantic Approach

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While the Internet has facilitated access to information sources, the task of scalable integration of these heterogeneous data sources...

A UML Based Approach for Modeling ETL Processes in Data Warehouses

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Data warehouses (DWs) are complex computer systems whose main goal is to facilitate the decision making process of knowledge...

Operators and Classification for Data Mapping in Semantic Integration

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Adopting and reusing outsourced data is becoming increasingly popular. We consider that the integration of outsourced data has two...

A General Model for Online Analytical Processing of Complex Data

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It has been well recognized that online analytical processing (OLAP) can provide important insights into huge archives of data....

Querying and Integrating Ontologies Viewed as Conceptual Schemas

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Real-world ontologies have associated data sets. In order to exploit ontologies as a means to provide semantics to the...

An Interpolated Volume Model for Databases

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In this paper we present a volume data model amenable to querying volumes in databases. Unlike most existing volume...

Integrity Constraints Definition in Object-Oriented Conceptual Modeling Languages

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We propose two new methods for the definition of integrity constraints in object-oriented conceptual modeling languages. The first method...

Conceptual Treatment of Multivalued Dependencies

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Multivalued dependencies are considered to be difficult to teach, to handle and to model. This observation is true if...