Semantic Integration of Social and Domain Knowledge in a Collaborative

Network Platform

Luís CarneiroSupervisor: Professor António Lucas Soares

121-07-2010

Context

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Context

3H-Know Platform

Objective

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Design and Implement a Semantic Module

Why?

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• Improve content organization

• Improve content search

• Re-use H-Know content in other applications

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Work Methodology

Gather Context Information

Semantically Describe Platform Actors, Activities and Domain

Develop Functionalities

H-KNOW PLATFORM

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Platform Structure

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Collaborative Place: Concept

• Actors share information about the activities they are undertaking together

• Join experts working or interested in a specific Area of Knowledge or Project

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Collaborative Place: Structure

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Platform

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Platform

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H-Know Domain

SEMANTICS IN H-KNOW

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Competency Questions

• Who is publishing more about the rehabilitation process of a bridge?

• Which blogs entries Manuel created about the maintenance process of church?

• Who knows about painting in Portugal and is available to start a new project?

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Domain Knowledge Formalization

OWL from scratch or SKOS?

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Domain Knowledge Formalization

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Domain Knowledge Formalization

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hknow:Space rdf:type skos:Concept;skos:prefLabel "Space"@en;skos:prefLabel "Espaço"@pt;skos:altLabel "Space"@enskos:altLabel "Espaço"@pt;skos:definition "A material construction result

contained within or associated with a building or other construction entity"@en;

skos:definition "Um resultado de contrução material, contido ou associado a um edifício ou outra entidade de construção"@pt.

Domain Knowledge Formalization

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hknow:Space rdf:type skos:Concept;skos:prefLabel "Space"@en;skos:prefLabel "Espaço"@pt;skos:altLabel "Space"@enskos:altLabel "Espaço"@pt;skos:definition "A material construction result

contained within or associated with a building or other construction entity"@en;

skos:definition "Um resultado de contrução material, contido ou associado a um edifício ou outra entidade de construção"@pt.

Domain Knowledge Formalization

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Social Vocabularies in H-Know

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H-Know User Semantics

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Platform Semantics

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Content Classification

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Ontology Browser

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Technological Architecture

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Facet-Browsing Interface

CONCLUSIONS

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Related Work

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Related Work

SIOC ModuleRDF CCK Module FOAF Module

RDF SparqlEndpoint Module

Drupal 7RDFa in the core

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Related Work

Google Social GraphAPI

SIOC and FOAFexporters

SIOC Explorer

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Results

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Future Plans

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Questions

Semantic Integration of Social and Domain Knowledge in a

Collaborative Network Platform

For further information:http://paginas.fe.up.pt/~ei05045/dissertation.html