@prefix dcterms: <http://purl.org/dc/terms/>.
@prefix foaf: <http://xmlns.com/foaf/0.1/>.
@prefix wdrs: <http://www.w3.org/2007/05/powder-s#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
@prefix gr: <http://purl.org/goodrelations/v1#>.
@prefix xml: <http://www.w3.org/XML/1998/namespace>.
@prefix vcard: <http://www.w3.org/2006/vcard/ns#>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix pto: <http://www.productontology.org/id/>.
@prefix schema: <http://schema.org/>.


# OWL DL work-arounds (instead of imports)
dc:contributor a owl:AnnotationProperty.
dc:creator a owl:AnnotationProperty.
dc:rights a owl:AnnotationProperty.
dc:subject a owl:AnnotationProperty.
dc:title a owl:AnnotationProperty.
dcterms:license a owl:AnnotationProperty.
wdrs:describedby a owl:AnnotationProperty.
foaf:Document a owl:Class.
foaf:homepage a owl:AnnotationProperty.
foaf:page a owl:AnnotationProperty.
foaf:primaryTopic a owl:AnnotationProperty.
schema:Product a owl:Class.


#OWL 1 DL compatibility of the OWL2 deprecated property
owl:deprecated a owl:AnnotationProperty.

<http://www.productontology.org/#> 	a owl:Ontology;
	dc:title "PTO: The Product Types Ontology for Semantic Web-based E-Commerce"@en;
	rdfs:comment """The Product Types Ontology: Good identifiers for product types based on Wikipedia

This service provides GoodRelations-compatible class definitions for any type of product or service that has an entry in the English Wikipedia.

Vocabulary:    http://www.productontology.org/#
Namespace:     http://www.productontology.org/

The Product Types Ontology is designed to be used in combination with GoodRelations, a standard vocabulary for the commercial aspects of offers.

See http://purl.org/goodrelations/ for more information."""@en;
	rdfs:label "The Product Types Ontology for Semantic Web-based E-Commerce"@en;
	dc:contributor "The class abstracts and translations of labels are taken from Wikipedia, the free encyclopedia."@en;
	dc:creator "Martin Hepp"@en;
	dc:rights "The class definition texts are taken from Wikipedia, the free encyclopedia under a Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license, see http://creativecommons.org/licenses/by-sa/3.0/. Accordingly, all ontology class definitions provided in here are available under the very same license."@en;
	dc:subject "E-Commerce, E-Business, GoodRelations, Ontology, Wikipedia, DBPedia"@en;
	dcterms:license <http://creativecommons.org/licenses/by-sa/3.0/>;
	rdfs:seeAlso <http://purl.org/goodrelations/v1>;
	owl:imports <http://purl.org/goodrelations/v1>;
	owl:versionInfo "2026-04-09T10:50:40.006457".

<http://www.productontology.org/> a foaf:Document;
	foaf:primaryTopic <http://www.productontology.org/#>.

<http://www.productontology.org/doc/Riga.rdf> a foaf:Document;
	foaf:primaryTopic <http://www.productontology.org/id/Riga>.
<http://www.productontology.org/doc/Riga.ttl> a foaf:Document;
	foaf:primaryTopic <http://www.productontology.org/id/Riga>.
<http://www.productontology.org/doc/Riga> a foaf:Document;
	foaf:primaryTopic <http://www.productontology.org/id/Riga>.
	
<http://www.productontology.org/id/Riga> a owl:Class;
	rdfs:subClassOf gr:ProductOrService, schema:Product;
	rdfs:label "Riga"@en;
	rdfs:comment """Riga (REE|gə)is the capital, primate, and largest city of Latvia and the second largest in the Baltics. Home to 591,882 inhabitants (as of 2025), the city accounts for a third of Latvia&#39;s total population. The population of Riga metropolitan area, which stretches beyond the city limits, is estimated at 847,162 (as of 2025). The city lies on the Gulf of Riga at the mouth of the Daugava river where it meets the Baltic Sea. Riga&#39;s territory covers and lies above sea level on a flat and sandy plain.
Riga was founded in 1201, and is a former Hanseatic League member. Riga&#39;s historical centre is a UNESCO World Heritage Site, noted for its Art Nouveau/Jugendstil architecture and 19th century wooden architecture. Riga was the European Capital of Culture in 2014, along with Umeå in Sweden. Riga hosted the 2006 NATO Summit, the Eurovision Song Contest 2003, the 2013 World Women&#39;s Curling Championship, and the IIHF Men&#39;s World Ice Hockey Championships in 2006, 2021, and 2023. It is home to the European Union&#39;s office of European Regulators for Electronic Communications (BEREC). In 2017, it was named as the European Region of Gastronomy.
In 2019, Riga received over 1.4 million foreign visitors. The city is served by Riga International Airport, the largest and busiest airport in the Baltic States. Riga is a member of Eurocities, the Union of the Baltic Cities (UBC), and Union of Capitals of the European Union (UCEU). 

(Source: Wikipedia, the free encyclopedia, see http://en.wikipedia.org/wiki/Riga)"""@en;
	rdfs:isDefinedBy <http://www.productontology.org/#>;
	rdfs:label "Riga"@ace; 
	rdfs:label "Riga"@af; 
	rdfs:label "ሪጋ"@am; 
	rdfs:label "Riga"@an; 
	rdfs:label "Riga"@ang; 
	rdfs:label "ريغا"@ar; 
	rdfs:label "ريݣا"@ary; 
	rdfs:label "ريجا"@arz; 
	rdfs:label "Riga"@ast; 
	rdfs:label "Riga"@gsw; 

	rdfs:seeAlso <http://www.productontology.org/>,
		<http://dbpedia.org/resource/Riga>,
		<http://www.productontology.org/doc/Riga>;

	wdrs:describedby <http://www.productontology.org/doc/Riga.rdf>, <http://www.productontology.org/doc/Riga.ttl>;
	foaf:homepage <http://www.productontology.org/doc/Riga.html>;
	foaf:page <http://en.wikipedia.org/wiki/Riga>.