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Ontology Engineering

Ontology Engineering

This video was recorded at REASE. These are two one-hour video recording of the presentation of Mari Carmen Suarez-Figueroa at the First Asian Autumn School on the Semantic Web. It comprises the videos synchronized with the slides (requires Flash) or the videos alone. Table of Contents: Part I: Ontology Engineering: How can we build ontologies? Methods, Techniques and Methodologies Main References Acknowledgements Ontology Definition I want to build my ontology Ontology Engineering Three aspects of ontology development Outline The Framework Ontologies are available anywhere in Internet The NeOn Glossary of Activities Table of ?Required and If-Applicable? Activities Ontology Network Development Process Ontology Life Cycle. Intra-dependencies Ontology Life Cycle. Inter-dependencies Outline Life Cycle Models and Life Cycles in Ontological Engineering Several Ontology Life Cycle Models are possible Step 2: Decision Tree for Selecting the Ontology Network Life Cycle Model Step 3: Decision Tree for Selecting Activities to be mapped in the Ontology Network Life Cycle Model ?Yes/No? Natural Language Questions Outline Most relevant methodologies Uschold?s Methodology Methodology used on the KACTUS project SENSUS Method On-To-Knowledge Summary of the Methodologies Outline Looking for an European Employment The Goal: Helping Job Seekers on their way SEEMP Ontology Network Life Cycle: Iterative model life cycle Specification of the Reference Ontology Search and Assess Standards and Taxonomies Selection of Human Resources Management Standards Knowledge Resource Reengineering Ontology Searching in Ontology Metadata Repositories Searching ontologies: Obtain the set of candidate ontologies using Oyster Process for Assessing Time Ontologies The Time Ontology Selection Conceptualization Conceptualization: Modular approach for ontology construction Reference Ontology Local Ontologies Building Process Which option is the most appropriate for the use case? Approach followed by SEEMP for building Local Ontologies Ontology Engineering: How can we build ontologies? Methods, Techniques and Methodologies Part II: Ontology Engineering: How can we build ontologies? Methods, Techniques and Methodologies Tutorial Outline Getting terminology using Competency Questions Getting terminology using Competency Questions. Example Identify and Group CQs Exercise to be done in the Hands-on Session Elicitation Techniques. Types Card Sorting. Collect and organise the concepts Card Sorting. Example Laddering. Extend the Concepts Laddering. Choose Some Main Axes Laddering. Example Techniques used in different OL approaches METHONTOLOGY. Tasks in the conceptualization activity METHONTOLOGY. Terms Glossary METHONTOLOGY. Primitives for Modelling Taxonomies Example of a Taxonomy METHONTOLOGY. Identify Ad-hoc relations METHONTOLOGY. Define a Concept Dictionary METHONTOLOGY. Define Instance Attributes METHONTOLOGY. Define Formal Axioms METHONTOLOGY. Define Rules METHONTOLOGY. Define Instances Ontology Design Patterns for Modelling Examples of Ontology Design Patterns Exercise to be done in the Hands-on Session Ontology Reengineering Reverse Engineering. Example Restructuring. Example Exercise to be done in Hands-on Session Gomez-Perez approach for taxonomic evaluation Ontology Evolution Conclusions Ontology Engineering: How can we build ontologies? Methods, Techniques and Methodologies Tutorial

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