Titlebook: Conceptual Modeling - ER 2006; 25th International C David W. Embley,Antoni Olivé,Sudha Ram Conference proceedings 2006 Springer-Verlag Berl

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Modeling Visibility in Hierarchical Systemsosition of Web services where the nodes denote services and edges represent the parent-child relationship of a service invoking another service. A fundamental issue to address in such systems is, for two nodes X and Y in the hierarchy whether X can see Y, that is, whether X has visibility over Y. In

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A Model for Anticipatory Event Detectionction has largely focused on finding the first story and tracking the events of a specific topic. A topic is simply a set of related events defined by user supplied keywords with no associated semantics and little domain knowledge. We therefore introduce the Anticipatory Event Detection (AED) proble

CHAFE

A Framework for Integrating XML Transformationstion of XML data is an increasingly important problem and many methods have been developed. In this paper, we study the related and more difficult problem of how to integrate XSLT programs. Program integration can be particularly important for server-side XSLT applications, where it is necessary to

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,: A Scalable Solution for Detecting Superior Quality Deltas on Ordered Large XML Documentsmemory-based approaches (e.g., X-Diff, XyDiff). These approaches store the XML documents in the relational database and issue SQL queries (whenever appropriate) to detect the changes. In this paper, we propose a relational-based . XML change detection technique (called .) that uses a . approach as t

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From Conceptual Modeling to Requirements Engineering issue of requirements elicitation, validation, and specification in a relatively more focussed manner. The expectation is that as a result of this, more acceptable systems will be developed in the future. The field of requirements engineering has emerged to meet this expectation.

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Use Case Modeling and Refinement: A Quality-Based Approach Starting from an initial use case, we apply successively a set of transformation rules and measure the resulting use case based on the quality metrics. Our approach is embedded in a general framework allowing us to guide software designers by the mean of quality metrics.