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Definition
A data shape specification or simply as data shape constraint or data shape, provides a set of conditions on top of an ontology/ schema, limiting how the ontology can be instantiated. this is commonly used for validation of the data graph.
Description
The conditions and constraints that apply to a given ontology are provided as shapes and other constructs expressed in the form of an RDF graph. We assume that the data shapes are expressed in SHACL language.
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