68 lines
2.1 KiB
Elixir
68 lines
2.1 KiB
Elixir
defmodule RDF.Utils.ResourceClassifier do
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alias RDF.Graph # TODO: use RDF.Data instead
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alias RDF.Description
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@doc """
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Determines if the given resource is RDF property by
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"""
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def property?(resource, data) do
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with %Description{} = description <- Graph.description(data, resource) do
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property_by_domain?(description) or
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property_by_rdf_type?(Description.get(description, RDF.type))
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end
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# || property_by_predicate_usage?(resource, data)
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end
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@property_properties ~w[
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http://www.w3.org/2000/01/rdf-schema#domain
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http://www.w3.org/2000/01/rdf-schema#range
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http://www.w3.org/2000/01/rdf-schema#subPropertyOf
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http://www.w3.org/2002/07/owl#equivalentProperty
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http://www.w3.org/2002/07/owl#inverseOf
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http://www.w3.org/2002/07/owl#propertyDisjointWith
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]
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|> Enum.map(&RDF.uri/1)
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|> MapSet.new
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defp property_by_domain?(description) do
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Enum.any? @property_properties, fn property ->
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description[property]
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end
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end
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@property_classes ~w[
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http://www.w3.org/1999/02/22-rdf-syntax-ns#Property
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http://www.w3.org/2000/01/rdf-schema#ContainerMembershipProperty
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http://www.w3.org/2002/07/owl#ObjectProperty
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http://www.w3.org/2002/07/owl#DatatypeProperty
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http://www.w3.org/2002/07/owl#AnnotationProperty
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http://www.w3.org/2002/07/owl#FunctionalProperty
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http://www.w3.org/2002/07/owl#InverseFunctionalProperty
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http://www.w3.org/2002/07/owl#SymmetricProperty
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http://www.w3.org/2002/07/owl#AsymmetricProperty
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http://www.w3.org/2002/07/owl#ReflexiveProperty
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http://www.w3.org/2002/07/owl#IrreflexiveProperty
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http://www.w3.org/2002/07/owl#TransitiveProperty
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http://www.w3.org/2002/07/owl#DeprecatedProperty
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]
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|> Enum.map(&RDF.uri/1)
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|> MapSet.new
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defp property_by_rdf_type?(nil), do: nil
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defp property_by_rdf_type?(types) do
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not (
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types
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|> MapSet.new
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|> MapSet.disjoint?(@property_classes)
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)
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end
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# defp property_by_predicate_usage?(resource, data) do
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# resource in Graph.predicates(data) || nil
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# end
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end
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