Dublin Core Metadata Initiative

DC Format Working Group

Review of Format Qualifier Usage

Date: 1999-08-03

Status: None

This report is a summary of the qualifiers for the FORMAT element that have been found to be useful in existing implementations of the Dublin Core. They are listed by project.
The appearance of a qualifier in this list should not be taken as an endorsement of its use by the Dublin Core Metadata Initiative.

Name: Australian Government Locator Service

Usage: Mandated as the Federal Government Standard
Reference: http://www.naa.gov.au/govserv/agls/user_manual.htm
Version: 
                  -----------Qualifiers--------------
Element Name      Element/Component    Value
-----------------------------------------------------
Format                                 IMT
                                       Physical
                                       ISO
-----------------------------------------------------
Examples:
[IMT] text/html
[IMT] application/pdf
24 Mb
[IMT] application/msword
[IMT] image/jpeg; 2.3 Mb
[IMT] image/gif
[IMT] video/quicktime; 6 minutes
[ISO] 23950
[ISO] EDI
[Physical] 300 Pages, 25cm Wide, 350 grams
136 Kbytes

Name: UK Mirror Service

Usage:
Reference: http://www.mirror.ac.uk/
Version: 
                  -----------Qualifiers--------------
Element Name      Element/Component    Value
-----------------------------------------------------
Format            sizeInBytes
-----------------------------------------------------

Name: Nordic/BIBSYS Metadata

Usage:
Reference: Ole Husby
Version: 
                  -----------Qualifiers--------------
Element Name      Element/Component    Value
-----------------------------------------------------
Format                                 IMT
                                       MIME
-----------------------------------------------------

Name: Gateway to Educational Materials (GEM)

Usage: Education
Reference: http://www.geminfo.org/Workbench/Metadata/GEM_Element_List.html
Version: GEM-98 
                  -----------Qualifiers--------------
Element Name      Element/Component    Value
-----------------------------------------------------
Format            contentType
                  platform
                  fileSize
-----------------------------------------------------

Name: BIBLINK

Usage: Sharing metadata between publishers and national bibliographic agencies
Reference: http://hosted.ukoln.ac.uk/biblink/wp8/fs/bc-semantics.html
Version: 
                  -----------Qualifiers--------------
Element Name      Element/Component    Value
-----------------------------------------------------
Format            Extent
-----------------------------------------------------
Note: Actual usage is BIBLINK.Extent.

Name: Arts & Humanities Data Service (AHDS)

Usage:
Reference: http://ahds.ac.uk/public/metadata/discovery.html
Version: 
                      -----------Qualifiers--------------
Element Name          Element/Component    Value
---------------------------------------------------------
Format                fileType             IMT
                      fileSize
                      length
                      medium
-----------------------------------------------------

Name: ?

Usage: Education
Reference: Liddy Nevile <liddy@melbourneit.com.au>
Version: 
                      -----------Qualifiers--------------
Element Name          Element/Component    Value
---------------------------------------------------------
Format                Installation         IMT
                      Duration
-----------------------------------------------------

Name: AMICO

Usage: Museum
Reference: http://www.amico.org/
Version: 
                      -----------Qualifiers--------------
Element Name          Element/Component    Value
---------------------------------------------------------
Format                
                      Color Metric
                      Color Palette
                      Compression
                      Dimensions
                      Encoding
                      File Size
                      Measurement-Component
                      Measurement-Dimension
                      Measurement-Dimension-value
                      Measurement-Qualifier
                      Measurements
                      Measurement-Unit
                      Mode
                      Orientation
                      Parts
-----------------------------------------------------

Name: CORC

Usage: Library
Reference: http://www.oclc.org/oclc/research/projects/corc/index.htm
Version: 
                      -----------Qualifiers--------------
Element Name          Element/Component    Value
---------------------------------------------------------
Format                
                      Duration
                      Physical
-----------------------------------------------------

Logical Qualifier Groupings

The list, below, attempts to gather the submissions into groupings of similar qualifiers. Numbers in square brackets [] after a qualifier denote the number of projects (if greater than one) who claim to use this qualifier. 

                                   -----------Qualifiers--------------
Element Name                        Element/Component            Value
----------------------------------------------------------------------
Format                                                           IMT [3]
                                                                 MIME
                                                                 Physical
                                                                 ISO
                                    sizeInBytes
                                    contentType
                                    platform
                                    fileSize [3]
                                    fileType
                                    extent
                                    length
                                    medium
                                    installation
                                    duration [2]
                                    Color Metric
                                    Color Palette
                                    Compression
                                    Dimensions
                                    Encoding
                                    Measurement-Component
                                    Measurement-Dimension
                                    Measurement-Dimension-value
                                    Measurement-Qualifier
                                    Measurements
                                    Measurement-Unit
                                    Mode
                                    Orientation
                                    Parts
                                    physical
----------------------------------------------------------------------
Contact the DC Format Working Group at: http ://purl.org/DC/groups/format.htm

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