PCS Ontology v1.5.9, 2007-12-19

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Flag

A Boolean flag: that is, an attribute whose allowed values are only "True" or "False" (with the possibility of "Unknown" or a null default).

Meaning Type Derived

Relationships
Parents	Category	A type, quality or measurement of another entity. A Category may be expressed in a variety of forms: as A Flag ("True/False"), a Class (eg "DigitalResource"), an adjectival Quality (eg "BlackAndWhite"), a nounal Quality (eg "Audibility") or as a numeric Quantity (eg "4.33MB"). Often the same categorization can be represented in several different ways. Example: the statements "ResourceX is an AudioCreation" (Class), "ResourceX is Audible" (adjectival Quality), "ResourceX has Audibility (noun Quality)" and "ResourceX has AudibilityFlag=True" (Flag) would all mean the same thing.
Children	CreationCategorizationFlag	A Type of Flag which indicates some Categorization of a Creation.
Instances	CreditDebitFlag	A Flag indicating whether an Amount in a Message is payable from the Recipient of the Message to its Sender (=True) or vice versa (=False).
	IsAfter	A Flag indicating whether an Event or State occurred sometime After the reported Date (=True) or not (=False).
	IsApproximate	A Flag indicating whether a reported Quantity or Time is approximate (=True) or exact (=False).
	IsBefore	A Flag indicating whether an Event or State occurred sometime before the reported Date (=True) or not (=False).
	IsDefault	A Flag indicating whether a value is a default value (=True) or not (=False).
	IsEan	A Flag indicating whether an ICPN is specifically an EAN (=True) or a UPC (=False).

Copyright © 2007, IFPI