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

ER - Intl Conf on Conceptual Modeling

A Formal Model for Service Mediators

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In this paper we present a model of service mediators, which are high-level specifications of service-based applications. These mediators...

Content-Based Validation of Business Process Modifications

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Researchers become increasingly interested in developing tools for evaluating the correctness of business process models. We present a methodology...

Reusing Legacy Systems in a Service-Oriented Architecture: A Model-Based Analysis

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Nowadays, organizations face great technological and business challenges. A clear example of this situation is the transformation of businesses...

Design by Selection: A Reuse-Based Approach for Business Process Modeling

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During business process design, working procedures in organizations are represented by process models. It is an important task in...

System Identification for Adaptive Software Systems: A Requirements Engineering Perspective

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Control Theory and feedback control in particular have been steadily gaining momentum in software engineering for adaptive systems. Feedback...

Using UML Profiles for Sector-Specific Tailoring of Safety Evidence Information

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Safety-critical systems are often subject to certification as a way to ensure that the safety risks associated with their...

Merging Relational Views: A Minimization Approach

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Schema integration is the procedure to integrate several inter-related schemas to produce a unified schema, called the mediated schema....

Ontology Evolution in Data Integration: Query Rewriting to the Rescue

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The evolution of ontologies is an undisputed necessity in ontology-based data integration. In such systems ontologies are used as...

Object-Oriented XML Keyword Search

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Existing LCA-based XML keyword search approaches are not aware of the significance of using semantics of object to improve...

A Hidden Markov Model Approach to Keyword-Based Search over Relational Databases

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We present a novel method for translating keyword queries over relational databases into SQL queries with the same intended...