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Issue 64, closes #64

Maxime Lefrançois requested to merge issue-64 into develop-v4.1.1

deletion of commodity categories and examples of commodities from the ontology, and modification of the TS as follows:

Class saref:Commodity represents marketable items which may be supplied without qualitative differentiation. Commodities may be consumed, produced, or stored, by some feature of interest or device. SAREF extensions and applications may create, specialize, and categorize commodities as specified in ETSITS103 548 [4], clause 5.5 and illustrated on Figure 8.

image Figure 8: Taxonomy of commodities, grouped by categories

Commodities can be organized in a taxonomy using OPs skos:narrower and skos:broader.

NOTE 1: Concepts from existing code lists, vocabularies, and taxonomies, may be used as instances of saref:Commodity, for example from the ISDA taxonomy of commodities [i.22], the Standard International Energy Product Classification (SIEC) [i.23], the IRENAEnergy Taxonomy [i.24], or Wikidata [i.25].

EXAMPLE 1:

ex:Electricity a ex:EnergyCommodity ;
			rdfs:label "Electricity"@en ;
	rdfs:comment "The electricity energy commodity."@en ;
rdfs:isDefinedBy "The ISDA taxonomy of energy commodities"

A feature kind, feature of interest, or device, can consume (OP saref:consumes), produce (OP saref:produces), or store (OP saref:stores), a certain commodity.

EXAMPLE 2:

s4abcd:AAHeatPumpDryer a saref:FeatureKind ;
saref:consumes ex:Electricity ;
saref:produces <http://www.wikidata.org/entity/Q7892> .

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