Introduction to the Semantic Web

The Semantic Web - a useful, usable technology? Liddy Nevile La Trobe University

[object Object],[object Object]

A use case ,[object Object],[object Object]

A better question … ,[object Object],[object Object]

General Public (on the Web) Users (with middle wear/ AT / Browsers) Website Your Current Website Semantic Annotations, Automatic Fixes, Database views Engine Layer of Meaning Presentational Layer Alternative versions Untouched original

Before…. As see on the Web Navigation Bar made with images-only. Completely inaccessible to assistive technology. Relationship between text and form elements inaccessible to assistive technology.

After…(1) Meaning behind images is known Relationship between text and form elements is known Enhanced Navigation for screen readers, PDA’s and orientation As see on the Web

Middleware Architecture (taken from SWAP) Original HTML SWAP ML Translation rules Semantic annotations Data Base XHTML Scenario-specific transformations XHTML XHTML XHTML Original presentation Extract presentation Scenario-specific CSS Rules and transformations

Semantic web ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resource Description Framework (RDF) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Ontology ,[object Object],[object Object],[object Object],[object Object],[object Object]

EGs of types of annotations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Relationships and meanings ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components ,[object Object],[object Object],[object Object],[object Object]

Roles and rel’ships (predicates) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Properties ,[object Object],[object Object],[object Object],[object Object],[object Object]

Annotation Based Accessibility ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What else can it do? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Quinkan Example 1 ,[object Object],Tommy George inspecting red rock ochre. "A lot of paintings are made in red."

Quinkan Example 2 ,[object Object],[object Object],“ A hand stencil”

SVG images ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Quinkan Example 3 ,[object Object],[object Object],[object Object],[object Object],[object Object]

How do we represent families? ,[object Object],[object Object],[object Object]

How do we represent families? ,[object Object],[object Object],[object Object],[object Object]

Graphical cataloguing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],and lots more…..

RDF labels for labels Has father Fred Has mother Mary Has father Fred Has mother not-Mary Has sister Jean Has half-sister Jean

Metaphors ,[object Object],[object Object],[object Object]

SWeb Task Forces ,[object Object],[object Object],[object Object],[object Object],[object Object]

SWeb Task Forces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Semantic Web Tools ,[object Object]

Introduction to the Semantic Web

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Introduction to the Semantic Web