DM110 - Week 10 - Semantic Web / Web 3.0

DM110 Emerging Web Media Dr. John Breslin [email_address] http://sw.deri.org/~jbreslin/ Week 10: Semantic Web / Web 3.0

What is the Semantic Web? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Where are we in the Semantic Web layer cake? You Are Here!

What is metadata? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Why do we need metadata? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why does the Web need metadata? ,[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]

What kind of resources, objects, things? ,[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]

Who or what makes use of metadata? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What can they do with metadata? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Metadata and ontologies ,[object Object],[object Object],[object Object],[object Object]

How is metadata created? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Where can you find metadata? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What about metadata standards? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is RDF? ,[object Object],[object Object],[object Object],[object Object]

A typical full text search without RDF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Same example but with RDF metadata ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What does RDF consist of? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A simple RDF example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://www.w3.org/Home/Lassila s:Creator Ora Lassila

Simple RDF example shown in RDF/XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Expanding on the previous example ,[object Object],http://www.w3.org/Home/Lassila s:Creator Person://fi/654645635 Name Ora Lassila [email_address] Email

Expanded RDF example shown in RDF/XML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is an ontology? ,[object Object],[object Object],[object Object],[object Object]

Ontologies on the Semantic Web ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ontology structures ,[object Object]

Why use ontologies? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a concept? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Components of an ontology ,[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]

An ontology example in RDF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Implementing or creating ontologies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Can already describe lots of things semantically ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The power of the Semantic Web ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The challenge for the Semantic Web ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The path to Web 3.0 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Semantic Web + Web 2.0 = Web 3.0 ,[object Object],[object Object],[object Object],[object Object]

DM110 - Week 10 - Semantic Web / Web 3.0

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DM110 - Week 10 - Semantic Web / Web 3.0