Upper-Ontologies a closer look Fausto Giunchiglia and Mattia - - PowerPoint PPT Presentation

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upper ontologies a closer look
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Upper-Ontologies a closer look Fausto Giunchiglia and Mattia - - PowerPoint PPT Presentation

Mar 11, 2024 28 likes •602 views

Upper-Ontologies a closer look Fausto Giunchiglia and Mattia Fumagallli University of Trento Outline Why not start from scratch? Build your ontology faster Build a better ontology Enhanced Clarity Improved accuracy Reduced complexity What

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Upper-Ontologies a closer look

Fausto Giunchiglia and Mattia Fumagallli

University of Trento

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Outline

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Why not start from scratch?

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Build your ontology faster

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Build a better ontology

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Enhanced Clarity

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Improved accuracy

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Reduced complexity

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What to look for in a Upper Ontology

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Ontological Commitment

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Tradeoffs: Academic vs. Industry

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Available Resources

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Linguistic resources

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WordNet (see next class)

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Domain Specific Narrow Scope Ontologies

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Dublin core

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Good relations

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Broadly Reusable Ontologies

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Upper ontologies

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Cyc and OpenCyc

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Cyc and OpenCyc

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Cyc: Industrial Relevance

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UMBEL

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SUMO

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Sumo

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SUMO: Industrial relevance

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DBPedia/Yago

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DBPedia

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DBPedia: Industrial Relevance

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DBPedia: Industrial Relevance

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Schema.org

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Schema.org

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Schema.org: Focus on Usability

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Schema.org: Community Effeort

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Schema.org: Recent Work

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Schema.org: Lesson learned

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Schema.org: Process

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Schema.org: Versioning

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Schema.org vs Google Knowledge Graph?

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Schema.org is an Upper Ontology

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DOLCE

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DOLCE: Fundamentals

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DOLCE: Core Restriction

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DOLCE

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BFO (Basic Formal Ontology)

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Roots and History of BFO

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Principal features of BFO

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BFO and DOLCE share common philosophical roots

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BFO: TOP Level Class Hierarchy

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Users of BFO (Consortia)

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BFO (Summary)

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What kind of top-level ontology?

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Expressivity and Inference

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Understandability

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Understandability

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Question for Discussion

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Acknowledgments

These slides have been inspired by (or reuse) (possibly adapted) content included in the following material: “Upper Ontologies a brief tour of what is available by Michael Uschold (www.semanticarts.com)”