ModularOntologyModelingwithOntologyDesignPatterns

Nazifa KarimaAdila A.Krisnadhi

SeaIce Ontology(Nonmodularized)

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Howdowemakesenseofthisontology?

• Divideitintomodules• Findrelationsamongthesemodulesprovidedbytheontology

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SEAICE

SeaIce ontology divided into 17 modules4

OntologyDesignPattern

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Sohowdowegettherelations?

• LookintotheObjectProperties• LookintoDataProperties• Lookintoaxiomsinvolvingtheseproperties• Lookintotheannotationsforallentitiesintheontology• Consultdomainexperts/originaldevelopersoftheontology

OntologyDesignPattern

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Ontologydesignpattern(ODP):A (“reusable”)solutionofafrequentlyoccurringmodelingprobleminthedomainandcanactasabuildingblockofamorecomplexontology.

Contentpattern(CP):AnODPthatmodelsaparticulargenericnotioninaparticulardomain.

SEAICE

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Pattern-1:Patternfor“IcewithDevelopmentStage”

OntologyDesignPatterncanalsobeusedtobuilda‘good’ontologyfromscratch.

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• Principle#1:Small>>>Large– Smallnessusuallyimpliessimplicity

• Principle#2:Modular>>>monolithic– Easiertouseasbuildingblocks.– Highlyextendible– Easilyunderstandable

• Principle#3:Beawareofmultipleperspectives.– Strikeabalancebetweenfosteringinteroperabilityvs.allowing

semanticheterogeneity.– e.g.,streetisaconnectionbetweentwoplaces,butalsoa

separationthatcutsahabitatintopieces.• Principle#4:Addhuman-readableannotations

– Improveunderstandability.

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GeoLink Architecture

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ModelingWorkflow

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GeoLink ModularOntology

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CruiseCP

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CruiseTrajectory

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Acknowledgements

• ESIP Testbed Project– Wright State: Pascal Hitzler, Nazifa Karima, Adila Krisnadhi– Notre Dame of Maryland University: Tom Narock– Ronin Institute: Ruth Duerr

• GeoLink (funded by NSF through EarthCube)– LDEO: Robert Arko, Peng Ji, Suzanne Carbotte, Kerstin

Lehnert– WHOI: Cynthia Chandler, Adam Shepherd, Peter Wiebe,

Lisa Raymond, Audrey Mickle– UCSB: Krzysztof Janowicz, Yingjie Hu, Matthew Jones,

Bryce Mecum, Mark Schildhauer– Notre Dame of Maryland University: Tom Narock– Wright State University: Pascal Hitzler, Adila Krisnadhi,

Michelle Cheatham, Nazifa Karima– Consortium of Ocean Leadership: Douglas Fils

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