DDEX Data Dictionary, 14-01-15

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Intro

File

A message term for ern:NewReleaseMessage, ern-c:ReportResponseMessage, ern-c:ReportDeliveryMessage, dsr-c:SalesReportDeliveryMessage, dsr-c:InvoiceDeliveryMessage.

A Resource stored as a single unit, normally in a file system on disk or magnetic tape.

Comments

Scope: A File is a single Resource (as opposed to a Resource which is a collection of Files such as a WebSite). Operationally this may be interpreted in different ways. While a File is usually presented as a single stream, it most often is stored as multiple fragments of data at different places on a disk (or even multiple disks). One of the services operating systems usually perform for applications is that organization of files in a file system. Files are created by software and usually conform to a particular file format. They are almost always assigned Identifiers in the form of FileNames by the file system on which they are stored [cf http://en.wikipedia.org/wiki/Computer_file].

Component Structure
Is Member of Composites	Composite Name	Description of Element Role	Cardinality
	dsr-c:InvoiceDeliveryMessage	A Name of the ddexC:File. FileName and FilePath together shall constitue a valid URL.	1
	ern:ReleaseDetailsByTerritory	A Composite containing details of a related Release File that a DSP can obtain.	1-n
	ern-c:ReportDeliveryMessage	A Composite containing details of a location for the report. The FileName and FilePath, concatenated shall constitute a valid URL.	1
	ern-c:ReportResponseMessage	A Composite containing details of a location for the report. The FileName and FilePath, concatenated shall constitute a valid URL.	0-1
	dsr-c:SalesReportDeliveryMessage	A Name of the ddexC:File. FileName and FilePath together shall constitue a valid URL.	1
	ern:TechnicalImageDetails	A Composite containing details of a File containing the Image that a DSP can obtain.	1-n
	ern:TechnicalMidiDetails	A Composite containing details of a File containing the MIDI that a DSP can obtain.	1-n
	ern:TechnicalSheetMusicDetails	A Composite containing details of a File containing the SheetMusic that a DSP can obtain.	1-n
	ern:TechnicalSoftwareDetails	A Composite containing details of a File containing the Software that a DSP can obtain.	1-n
	ern:TechnicalSoundRecordingDetails	A Composite containing details of a File containing the SoundRecording that a DSP can obtain.	1-n
	ern:TechnicalTextDetails	A Composite containing details of a File containing the Text that a DSP can obtain.	1-n
	ern:TechnicalUserDefinedResourceDetails	A Composite containing details of a File containing the UserDefinedResource that a DSP can obtain.	1-n
	ern:TechnicalVideoDetails	A Composite containing details of a File containing the Video that a DSP can obtain.	1-n

Relationships
Parents	Resource	A digital Fixation of an expression of an abstract Work (such as a SoundRecording, a Video, an Image, Software, or a passage of Text).
Children	FileFormat	A File with specific formal characteristics.
	WebPage	A File that contains a page accessible in the WWW.

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