Download Ontology Modeling in Physical Asset Integrity Management by Vahid Ebrahimipour, Soumaya Yacout PDF

By Vahid Ebrahimipour, Soumaya Yacout

This e-book provides state of the art purposes of, and updated learn on, ontology engineering thoughts within the actual asset integrity area. even though a survey of state of the art conception and strategies on ontology engineering, the authors emphasize crucial themes together with info integration modeling, wisdom illustration, and semantic interpretation. The booklet additionally displays novel themes facing the complicated difficulties of actual asset integrity purposes reminiscent of heterogeneity, info inconsistency, and interoperability present in layout and usage. With a particular concentrate on functions correct in heavy undefined, Ontology Modeling in actual Asset Integrity administration is perfect for working towards business and mechanical engineers operating within the box, in addition to researchers and graduate thinking about ontology engineering in actual platforms lifestyles cycles.

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4 shows an example of the taxonomical constraints in EXPRESS. It shows the EXPRESS specification of the class IfcObject introduced in buildingSMART International (2014) as follows: An IfcObject is the generalization of any semantically treated thing or process. e. occurrences. Examples of IfcObject include physically tangible items such as wall, beam or covering, physically existing items such as spaces, or conceptual items such as grids or virtual boundaries. It also stands for processes such as work tasks, for controls such as cost items, or for actors such as persons involved in the design process.

It thus supports interoperability among the IFC layers and compatibility with the various IFC releases. The Core layer comprises two main schemas: 1. , IfcRoot, IfcObjectDefinition, IfcProcess, IfcContext; 2. IfcCoreExtension, which is further subdivided into three modules: IfcControlExtension, IfcProcessExtension, and IfcProductExtension. These specialize the IfcKernel withAEC/FM concepts. g. IfcEvent, IfcProcedure, IfcTask; the IfcProductExtension contributes to the specialization of classes for product modeling like IfcElement, IfcElementAssembly, IfcGrid; S.

On the other hand, it provides guidelines to choose the appropriate representation 2 Ontological Analysis and Engineering Standards: An Initial Study of IFC 31 Fig. 6 Fragment of IFC class hierarchy as visualized in Protégé (Knublauch et al. 2004) schema depending on the information to be modeled. g. Guarino and Welty (2009), Grueninger (2009), West (2011) and Borgo et al. (2011). 32 S. Borgo et al. Fig. 5 Types and Occurrences in IFC: An Ontological Analysis As it stands today, IFC is a data model that relies on human interpretation, in the sense that the meaning of its classes is not constrained by means of formal semantics.

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