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

Publications

Contextual Probability-Based Classification

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The k-Nearest-Neighbors (kNN) method for classification is simple but effective in many cases. The success of kNN in classification...

Improving the Performance of Decision Tree: A Hybrid Approach

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In this paper, a hybrid learning approach named Flexible NBTree is proposed. Flexible NBTree uses Bayes measure δ to...

Understanding Relationships: Classifying Verb Phrase Semantics

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Relationships are an essential part of the design of a database because they capture associations between things. Comparing and...

Definition of Events and Their Effects in Object-Oriented Conceptual Modeling Languages

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Most current conceptual modeling languages and methods do not model events as entities. We argue that, at least in...

Enterprise Modeling with Conceptual XML

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An open challenge is to integrate XML and conceptual modeling in order to satisfy large-scale enterprise needs. Because enterprises...

Classification of Business Process Correspondences and Associated Integration Operators

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Integration of business processes requires the integration of both the structure and behaviour of the data objects involved. Research...

Graphical Reasoning for Sets of Functional Dependencies

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Reasoning on constraint sets is a difficult task. Classical database design is based on a step-wise extension of the...

On Behavioural Model Transformation in Web Services

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Web Services are seen as one of the most promising solutions for the integration of autonomous, heterogonous e-business systems....

ER-Based Software Sizing for Data-Intensive Systems

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Despite the existence of well-known software sizing methods such as Function Point method, many developers still continue to use...

Model-Driven Planning and Development of Infrastructures for E-Commerce

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For many companies, especially small and medium sized firms (SME), planning and implementing infrastructures for Electronic Commerce (E-Commerce) that...