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Ontology 2.0. Presented by: Gautam Gurtoo. a Collaborative Approach to Ontology Development. Outline. Introduction to Ontology Aims & Objectives Methodology The Prototype Live Demo Conclusion Questions & Answers. Introduction to Ontology.

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ontology 2 0

Ontology 2.0

Presented by:

Gautam Gurtoo

a Collaborative Approach to Ontology Development

outline
Outline
  • Introduction to Ontology
  • Aims & Objectives
  • Methodology
  • The Prototype
  • Live Demo
  • Conclusion
  • Questions & Answers
introduction to ontology
Introduction to Ontology

“An ontology is an explicit specification of a conceptualization… ” (Gruber, 1993).

Ontology Development Process (adapted from Edgington et al., 2004)

aim objectives
Aim & Objectives
  • Aim:
    • To investigate methods of supporting collaborative ontology development via web based tool
  • Objectives:
    • To identify primary requirements for the prototype
    • To develop a prototype web application that enables following functions:
      • ontology creation and editing
      • collaborative development of ontologies
      • web browsing of ontologies
      • comparison and synthesis of ontologies
      • versioning of ontologies
    • To validate the prototype web application via scenario use
methodology
Methodology
  • Researched published materials
  • Derived high level requirements
  • Built prototype
  • Verified using dry-run scenarios use
the prototype

The Prototype

A Web based Ontology 2.0 Editor

prototype design
Prototype Design
  • Infrastructure
    • Google App Engine SDK 1.3.6
    • Java 6 / J2EE Web Application
    • HTML4, CSS3, JavaScript (Jquery 1.8, YUI 3.1)
  • Main Classes:
    • Element: Ontology, Type, Relation, Axiom
    • Annotation: Discussion, RequestForChange
    • User
features implemented
Features Implemented
  • Create multiple Ontologies
  • Manages all relations as Axioms
  • Initiate and participate in Discussion threads
  • Open Requests for Change and invite votes
  • Release a immutable version while creating a new copy for further enhancements
the collaborative process
The Collaborative Process

Collaborative Ontology Community Process

live demo

Live Demo

Screen shots

conclusions
Conclusions
  • Ontology is key to Sematic Web (interlinked data)
  • Collaborative development of ontology
  • Web 2.0 ethos based ontology tools are the future
why 2 0
Why 2.0?

Web 2.0  Ontology 2.0

  • Collaboration, contribution and community are the centre thoughts for Web 2.0 ... (Anderson, 2007)
  • architecture of participation ... (O'Reilly, 2007)
  • "2.0-ness" is not something new yet aims at fuller adoption of true potential of the web platform ... (O'Reilly, 2007)
introduction to ontology1
Introduction to Ontology
  • has its origins in philosophy

“... science of ‘what is’... about existence of all reality ...” (Wetley, 2003)

  • Becoming popular in Information System Sciences since 1980s

“An ontology is an explicit specification of a conceptualization… ” (Gruber, 1993)

introduction to ontology contd
Introduction to Ontology … (contd.)
  • Ontologies provide a formal definition for a piece of knowledge and thus often seen as basic building blocks for Semantic Web.

(adapted from Edgington et al., 2004)

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