Towards Semantic Standards
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Transcript of Towards Semantic Standards
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Semantics
JAGUAR
2
CONTEXT
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Semantics
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ID’s on the web
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Data on the web
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talking in triples (RDF)
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http://data.kbodata.be/organisation/0314_595_348#id
afkorting "FOD Economie"
http://data.kbodata.be/organisation/0314_595_348#id
is een Overheidsorganisatie
http://data.kbodata.be/organisation/0314_595_348#id
adres "Vooruitgangsstraat 50, 1210 Sint-Joost-ten-Node"
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triples RDF
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<http://data.kbodata.be/organisation/0314_595_348#id> <http://www.mrpaul.be/ns/bedrijf#afkorting>
"FOD Economie"@nl .
<http://data.kbodata.be/organisation/0314_595_348#id> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.mrpaul.be/ns/bedrijf#Overheidsorganisatie> .
<http://data.kbodata.be/organisation/0314_595_348#id> <http://www.mrpaul.be/ns/bedrijf#adres>
"Vooruitgangsstraat 50, 1210 Sint-Joost-ten-Node" .
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RDF using standards
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<http://data.kbodata.be/organisation/0314_595_348#id> <http://www.w3.org/ns/regorg#legalName>
"Federale Overheidsdienst Economie, KMO, Middenstand en Energie"@nl .
<http://data.kbodata.be/organisation/0314_595_348#id> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.w3.org/ns/regorg#RegisteredOrganization> .
<http://data.kbodata.be/organisation/0314_595_348#id> <http://www.w3.org/ns/org#hasSite>
<http://data.kbodata.be/organisation/2_146_815_183#id> .
<http://data.kbodata.be/organisation/0314_595_348#id> <http://schema.org/startDate>
"1968-01-01"^^<http://www.w3.org/2001/XMLSchema#date> .
<http://data.kbodata.be/organisation/2_146_815_183#id> <http://www.w3.org/2000/01/rdf-schema#label>
"RAC Verwilghen"@nl .
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Big Semantics
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Something is a spicy-pizza if-and-only-if-it is a pizza and has-topping a spicy-topping.
Something is a vegetarian-pizza if-and-only-if-it is a pizza and is not a thing that has-topping a fish-topping and is not a thing that has-topping a meat-topping.Every four-seasons has-topping nothing-but things that are anchovies-toppings and-or are caper-toppings and-or are mozzarella-toppings and-or are mushroom-toppings and-or are olive-toppings and-or are peperoni-sausage-toppings and-or are tomato-toppings.
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Practical semantics“cooperation without coordination”
David Wood
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RDFS++
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Linked semantics
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Linked Datadata published on the web in such a
way that• it is machine-readable• its meaning is explicitly defined• it is linked to other external datasets• can in turn be linked to from external
datasetsBizer (2009)
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Linked Data
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QA
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