Attribut:VIAF

"VIAF" is a predefined property of type . This property is pre-deployed (also known as special property) and comes with additional administrative privileges but can be used just like any other user-defined property.

Has uniqueness constraint"Has uniqueness constraint" is a predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to restrict value assignments for each instance to be unique (or one at most).: true

Usage2Improper assignments2Constraint schema

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Filter<p>The <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Property_page/Filter">search filter</a> allows the inclusion of <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Query_expressions">query expressions</a> such as <code>~</code> or <code>!</code>. The selected <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Query_engine">query engine</a> might also support case insensitive matching or other short expressions like:</p><ul><li><code>in:</code> result should include the term, e.g. '<code>in:Foo</code>'</li></ul><ul><li><code>not:</code> result should to not include the term, e.g. '<code>not:Bar</code>'</li></ul>

Showing 2 pages using this property.

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Радио Иваново 106,7 FM +

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{
    "type": "PROPERTY_CONSTRAINT_SCHEMA",
    "constraints": {
        "type_constraint": "_sci_viaf",
        "unique_value_constraint": true
    }
}