presentation

teach.valdosta.edu

presentation

Origins of the Semantic Web

Tim Berners-Lee

• Founding father of the World Wide Web

• Has a vision for a second generation of the

Web

• Defines the Semantic Web as “an extension

of the current Web in which information is

given well-defined meaning, better enabling

computers and people to work in

cooperation.”


Semantic Web Pyramid

Image obtained from: http://www.w3.org/


Semantic Web Objectives

Give data on the Web definition

Make the present Web more machine-

readable so software agents can retrieve

pertinent information

Access Web resources by content rather

than by just keywords


Semantic Web Benefits

Easier and faster for users to find

information

Improve precision, relevance, and integrity

of data

Controlled vocabulary

Clustered results vs. linear results


Semantic Web Technologies

Extensible Mark-up Language (XML)

• Authors of Web pages create their own tags

Resource Description Framework (RDF)

• Resource, property, value statement

Ontologies

• Controlled vocabulary list of terms for specific

subjects

Metadata

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