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SemanticWeb::Schema::PropertyValue - A property-value pair, e
A property-value pair, e.g. representing a feature of a product or place. Use the 'name' property for the name of the property. If there is an additional human-readable version of the value, put that into the 'description' property. Always use specific schema.org properties when a) they exist and b) you can populate them. Using PropertyValue as a substitute will typically not trigger the same effect as using the original, specific property.
The upper value of some characteristic or property.
A max_value should be one of the following types:
A predicate for the "max_value" attribute.
A technique or technology used in a SemanticWeb::Schema::Dataset (or SemanticWeb::Schema::DataDownload, SemanticWeb::Schema::DataCatalog), corresponding to the method used for measuring the corresponding variable(s) (described using [[variableMeasured]]). This is oriented towards scientific and scholarly dataset publication but may have broader applicability; it is not intended as a full representation of measurement, but rather as a high level summary for dataset discovery.
For example, if [[variableMeasured]] is: molecule concentration, [[measurementTechnique]] could be: "mass spectrometry" or "nmr spectroscopy" or "colorimetry" or "immunofluorescence".
If the [[variableMeasured]] is "depression rating", the [[measurementTechnique]] could be "Zung Scale" or "HAM-D" or "Beck Depression Inventory".
If there are several [[variableMeasured]] properties recorded for some given data object, use a SemanticWeb::Schema::PropertyValue for each [[variableMeasured]] and attach the corresponding [[measurementTechnique]].
A measurement_technique should be one of the following types:
A predicate for the "measurement_technique" attribute.
The lower value of some characteristic or property.
A min_value should be one of the following types:
A predicate for the "min_value" attribute.
A commonly used identifier for the characteristic represented by the property, e.g. a manufacturer or a standard code for a property. propertyID can be (1) a prefixed string, mainly meant to be used with standards for product properties; (2) a site-specific, non-prefixed string (e.g. the primary key of the property or the vendor-specific id of the property), or (3) a URL indicating the type of the property, either pointing to an external vocabulary, or a Web resource that describes the property (e.g. a glossary entry). Standards bodies should promote a standard prefix for the identifiers of properties from their standards.
A property_id should be one of the following types:
A predicate for the "property_id" attribute.
The unit of measurement given using the UN/CEFACT Common Code (3 characters) or a URL. Other codes than the UN/CEFACT Common Code may be used with a prefix followed by a colon.
A unit_code should be one of the following types:
A predicate for the "unit_code" attribute.
A string or text indicating the unit of measurement. Useful if you cannot provide a standard unit code for unitCode.
A unit_text should be one of the following types:
A predicate for the "unit_text" attribute.
The value of the quantitative value or property value node.
For SemanticWeb::Schema::PropertyValue, it can be 'Text;', 'Number', 'Boolean', or 'StructuredValue'.
Use values from 0123456789 (Unicode 'DIGIT ZERO' (U+0030) to 'DIGIT NINE' (U+0039)) rather than superficially similiar Unicode symbols.
Use '.' (Unicode 'FULL STOP' (U+002E)) rather than ',' to indicate a decimal point. Avoid using these symbols as a readability separator.
A value should be one of the following types:
A predicate for the "value" attribute.
A pointer to a secondary value that provides additional information on the original value, e.g. a reference temperature.
A value_reference should be one of the following types:
A predicate for the "value_reference" attribute.
Please report any bugs or feature requests on the bugtracker website https://github.com/robrwo/SemanticWeb-Schema/issues
When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.
Robert Rothenberg <email@example.com>
This software is Copyright (c) 2018-2020 by Robert Rothenberg.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)