Knowledge Representation and the Semantic Web Explained

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The document discusses knowledge representation and the semantic web. It defines knowledge and outlines five roles of knowledge representation, including as a surrogate for knowledge and a medium for computation. It then explains how knowledge can be represented using RDF, describes Tim Berners-Lee as the inventor of the world wide web and founder of the semantic web project. The semantic web is defined as a web of data that allows different types of data to be linked together. Potential applications of the semantic web include intelligent agents and network aware devices.

Tecnologia Educação

Knowledge Representation and the Semantic Web by Daniel D. Shaw

Knowledge Defined ,[object Object],[object Object],[object Object],Source: Oxford English Dictionary (by way of Wikipedia)

Knowledge Representation ,[object Object],[object Object],[object Object],[object Object],Source: Davis, Shrobe and Szolovits, 1993

Knowledge Representation ,[object Object],[object Object],[object Object],Source: Davis, Shrobe and Szolovits, 1993

How do we represent knowledge? <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#“ xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"> <foaf:Person rdf:about="#JW"> <foaf:name>Jimmy Wales</foaf:name> <foaf:mbox rdf:resource="mailto:jwales@bomis.com" /> <foaf:homepage rdf:resource="http://www.jimmywales.com/" /> <foaf:nick>Jimbo</foaf:nick> <foaf:depiction rdf:resource="http://www.jimmywales.com/ausimgsmall.jpg"/> <foaf:interest> <rdf:Description rdf:about="http://www.wikimedia.org“ rdfs:label="Wikipedia" /> </foaf:interest> <foaf:knows> <foaf:Person> <foaf:name>Angela Beesley</foaf:name> </foaf:Person> </foaf:knows> </foaf:Person> </rdf:RDF> Image Source: http://en.wikipedia.org/wiki/FOAF_(software)

Father of the [Semantic] Web ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Image Source: W3C Semantic Web Activity

Semantic Web ,[object Object],[object Object]

Semantic Web “LayerCake” Image Source: W3C Semantic Web Activity

Semantic Web “LayerCake” ,[object Object],[object Object],[object Object],[object Object],[object Object],Image Source: W3C Semantic Web Activity

Semantic Web “LayerCake” ,[object Object],[object Object],[object Object],Image Source: W3C Semantic Web Activity

Semantic Web in Practice ,[object Object],[object Object],[object Object]

Take-aways for Software Engineers ,[object Object],[object Object],[object Object],[object Object]

Knowledge Representation and the Semantic Web by Daniel D. Shaw Thank you!

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Knowledge Representation and the Semantic Web Explained

1. Knowledge Representation and the Semantic Web by Daniel D. Shaw

5. How do we represent knowledge? <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#“ xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"> <foaf:Person rdf:about="#JW"> <foaf:name>Jimmy Wales</foaf:name> <foaf:mbox rdf:resource="mailto:jwales@bomis.com" /> <foaf:homepage rdf:resource="http://www.jimmywales.com/" /> <foaf:nick>Jimbo</foaf:nick> <foaf:depiction rdf:resource="http://www.jimmywales.com/ausimgsmall.jpg"/> <foaf:interest> <rdf:Description rdf:about="http://www.wikimedia.org“ rdfs:label="Wikipedia" /> </foaf:interest> <foaf:knows> <foaf:Person> <foaf:name>Angela Beesley</foaf:name> </foaf:Person> </foaf:knows> </foaf:Person> </rdf:RDF> Image Source: http://en.wikipedia.org/wiki/FOAF_(software)

9. Semantic Web “LayerCake” Image Source: W3C Semantic Web Activity

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17. Knowledge Representation and the Semantic Web by Daniel D. Shaw Thank you!

Knowledge Representation and the Semantic Web Explained

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