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ORM 2012

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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 317 Download
File Size 2.7MB
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 301 Download
File Size 1.1MB
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 413 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 283 Download
File Size 1.1MB
Abstract: Like any other modelling or development environment, there exist several modelling style choices in arriving at a Fact Based Model (FBM) schema. What is interesting is that choosing different...
10-03-2012 266 Download
File Size 727.5kB
Abstract: This paper describes a method used in a real-life case of a legacy database migration. The difficulty of the case lies in the fact that the legacy application to be replaced has to remain fully...
11-20-2012 299 Download
File Size 965.5kB
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