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A core Course on Modeling

A core Course on Modeling. Introduction to Modeling 0LAB0 0LBB0 0LCB0 0LDB0 c.w.a.m.v.overveld@tue.nl v.a.j.borghuis@tue.nl P.2. G raphical notation for conceptual models. Remember : concept : a bundle of properties property: (name, set of values ) name: to distinguish properties

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A core Course on Modeling

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  1. A core Course on Modeling Introductionto Modeling 0LAB0 0LBB0 0LCB0 0LDB0 c.w.a.m.v.overveld@tue.nl v.a.j.borghuis@tue.nl P.2

  2. Graphicalnotationforconceptualmodels Remember: concept: a bundle of properties property: (name, set of values) name: todistinguishproperties type: set of allpossiblevaluesforthis property value : to single out a unique concept. A valuecanbeatomic or compound atomic: cannotbedecomposed compound: a concept, tobecomposedintofurtherproperties

  3. beatle paulM johnL ringoS georgeH name:‘George Harrison’ instrument:{guitar} tourSchedule: …. name:{‘Paul McCartney’,’John Lennon’,’George Harrison’,’Ringo Star’} instrument:{guitar,bass,drums,harmonica} name:‘Paul McCartney’ instrument:{bass} tourSchedule: …. name:‘Ringo Star’ instrument:{drums} tourSchedule: …. name:‘John Lennon’ instrument:{guitar,harmonica} tourSchedule: …. Graphicalnotationforconceptualmodels Example 1: organizing the Beatles – v1.0 1 isA isA isA isA 1 1 1 1

  4. beatles paulM johnL georgeH ringoS tourSchedule: …. name:‘Paul McCartney’ instrument:{bass} name:‘John Lennon’ instrument:{guitar,harmonica} name:‘George Harrison’ instrument:{guitar} name:‘Ringo Star’ instrument:{drums} partOf partOf partOf partOf Graphicalnotationforconceptualmodels Example 2: organizing the Beatles – v2.0 1 1 1 1 1

  5. Graphicalnotationforconceptualmodels Summary There is no single correct way toorganizeconceptsandproperties Choose most conventientorganizationgiven the purpose In particular: avoidreplicating information

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