Download - Aplicații Web Semantice - Descriere Proiect
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Semantic Web Applications
Project Description
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Project description
• The project will allow you to pass through all the stages of development of a semantic web application
• This document presents the steps of the project from end to start
• The purpose of the document is for you to understand which are the milestones, their importance and how they are linked
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BBC Music Web Site- Page of an artist
A semantic web site
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If we scroll down we discover
Description comes from wikipedia
Links and informations come from MusicBrainz
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What’s behind?
Data provided also as rdf
Artists indentified through URI’s
Links to other relevant information about the artist
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What’s even deeper?Basic information about the data – what does it describe – an artist (solo) that has a name
Biographical info
This resource is also described somewhere else!
Remember the links from the html page?
Data about songs and records
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Where does the data come from?
Query language for RDF meta-data
Bookmark this link
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You can query the linked data using sparql
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Where does the raw data come from?
Public websites
Usually from YOU(as data is created/gathered socially)
Data is extracted and transformed into linked data using patterns and/or natural language processing techniques and/or machine learning techniques
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Where do we do with the data we extract from web sites?
Describe it using an ontology or many ontologies
Frbr ontology
Foaf ontology
Event ontology
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Link to other datasets
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Create the ontology
Develop a Semantic Web Application
Extract linked data into a semantic repository
Establish a SPARQL endpoint
Choose a domain
The long and winding road you have to follow