The Unique Particle Attribution (UPA) rule is XML schema's mechanism to prevent schema ambiguity. Due to the UPA rule the schema fragment given below is prohibited. Given the instance fragment: 42 It is not possible to create a Post-Schema-Validation Infoset, because it is ambiguous whether should be associated with the element declaration x, or the wildcard (xsd:any).
Attributes | Values |
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rdfs:label |
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rdfs:comment |
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sameAs | |
dcterms:subject | |
abstract |
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