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54 lines
1.9 KiB
54 lines
1.9 KiB
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
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@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
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@prefix owl: <http://www.w3.org/2002/07/owl#>.
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@prefix o2: <http://www.w3.org/2007/ont/o2#>. # Just for 'chain' missing from owl
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@prefix cc: <http://creativecommons.org/ns#>.
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@prefix dc: <http://purl.org/dc/elements/1.1/>.
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@prefix doc: <http://www.w3.org/2000/10/swap/pim/doc#> .
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@prefix ldif: <http://www.w3.org/2007/ont/ldif#> .
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@prefix : <http://www.w3.org/2007/ont/currency#> .
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@prefix cur: <http://www.w3.org/2007/ont/currency#> . # Hint
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@keywords a, is, of.
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<> doc:version "$Id: currency.n3,v 1.2 2010/12/22 13:50:58 timbl Exp $";
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dc:title "An Ontology for Currencies";
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doc:creator <http://www.w3.org/People/Berners-Lee/card#i>;
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cc:licence <http://www.w3.org/2000/10/swap/LICENSE.n3>;
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rdfs:comment """Currency.
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A naive view for deriving a common value of assets in differet currencies
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""".
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Currency a rdfs:Class;
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rdfs:label "currency";
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rdfs:comment """An abstract currency""".
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code a rdf:Property;
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rdfs:label "code";
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rdfs:domain Currency;
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rdfs:comment "The three letter currency, eg: 'USD'.".
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sign a rdf:Property;
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rdfs:label "sign";
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rdfs:domain Currency;
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rdfs:comment "The symbol, eg: '$'.".
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in_USD a rdf:Property;
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rdfs:label "value in USD";
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rdfs:domain Currency;
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rdfs:comment """Notional value of 1 of the currency in USD, eg: 1.0.
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This is a naive model in that it is dollar-centric,
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does not distinsuish beetween buy and sell rates.""".
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# These are examples. A definitive list could have to be pulled
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# from the web somewhere in real time.
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# For example http://dbpedia.org/ontology/Currency mentioned over 600 currecies in 2010.
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USD rdfs:label "USD"; dc:title "US Dollars"; code "USD"; sign "$"; in_USD 1.0.
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# GBP rdfs:label "GBP"; dc:title "GB Pounds"; code "GBP"; sign "£".
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# EUR rdfs:label "EUR"; dc:title "Euros"; code "EUR"; sign "€".
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# ends
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