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The European Space Agency (ESA) has found that when information is exchanged, it is frequently misinterpreted. In this presentation, Serge Valera of the European Space Agency discusses a fact based modeling...
11-25-2014 34 Download
File Size 6.8MB
This talk by Terry Halpin and Matt Curland provides a brief overview of their Augmented Relational Calculus (ARC) language which is a version of first-order, 2-valued, domain relational calculus extended...
11-25-2014 23 Download
File Size 640.5kB
Abstract: Fact-oriented modeling approaches such as Object-Role Modeling (ORM) validate their models with domain experts by verbalizing the models in natural language, and by populating the relevant fact...
10-03-2012 330 Download
File Size 1.1MB
Abstract: Agile software development advocates a rapid iterative process where working systems are delivered at each iteration. For information systems, this drive to produce something working soon, makes...
10-03-2012 455 Download
File Size 1.2MB
Abstract: The problem of database reengineering stems from (legacy) databases that are hard to understand (incorrect-, incomplete- or missing semantics) or that perform inefficiently.Reengineering is often...
10-03-2012 463 Download
File Size 142.7kB
Abstract: In this paper we will focus on the interplay of mandatory role and set-comparison (equality-, subset- and exclusion-) constraints in fact based modeling. We will present an algorithm that can...
10-03-2012 310 Download
File Size 1.1MB
Abstract: Data schemas are an important part of the software design process. The Unified Modeling Language (UML) is the lingua franca in current software engineering practice, and UML class diagrams are...
10-03-2012 457 Download
File Size 356.7kB
Abstract . Companies are continually striving to reduce issues leading to failed projects and the costs associated with them. The use and collaboration of business process mapping and ORM data modeling...
10-03-2012 440 Download
File Size 4.1MB
Abstract. This paper introduces ORM2plus – a new linear syntax and complete semantics expressed in first order logic of ORM2 – which can be shown correctly embedding the original proposal. A provably correct...
10-03-2012 346 Download
File Size 2.7MB
ORM LITE is a light-weight, open-source ORM tool that implements most of the ORM 2 notation. This new release features a completely redesigned user interface. New features include: a completely rewritten...
10-01-2011 11 Download
File Size 7MB
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