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Title:        Changes to the DCMI Type Vocabulary
Identifier:   http://dublincore.org/usage/decisions/2006/2006-02.dcmitype-changes.shtml
Date:         2006-08-28
Description:  This decision text refers to 
              http://dublincore.org/usage/decisions/#Decision-2006-02.

In 2005, the DCMI Usage Board undertook a review of the
Definitions and Comments of terms in the DCMI Type Vocabulary
[1,2].  Potential changes were discussed at meetings of the
Usage Board in May 2005 [3] and September 2005 [4].  A public
comment period on proposed changes was held from 8 December
to 31 January 2006 [5,6].  Decisions on these changes were
taken at a Usage Board meeting on 30 April 2006 [7] and are
recorded in this decision document.

The proposed changes were essentially editorial in nature:

    1) Definitions were wordsmithed for grammatical correctness
       and stylistic consistency.

    2) As originally written, the Definitions of
       DCMI Type terms included information about expected
       uses of the term -- information which, for other types
       of DCMI terms, is typically provided in a separate
       Comment.  For stylistic consistency, therefore, parts
       of the Definitions were split off into Comments.

The Usage Board did not undertake a fundamental review of
the typology (ontology) offered in the DCMI Type Vocabulary.
As explained in a posting to DC-GENERAL in December 2003 [8],
the Usage Board does not intend to expand or otherwise improve
the existing vocabulary; rather, it prefers that future efforts
"focus on interoperability between the DCMI Type Vocabulary
and other, more granular vocabularies created and maintained
by communities of interest for specialized uses."

Public comment was therefore solicited primarily not on the
concepts underlying the DCMI Types, but on the potential impact
of the proposed editorial changes on existing interpretations
and implementations (see summary of comments in [6]).

Finalizing the editorial changes after the public comment
involved a discussion of the style used for definitions of
the Type Vocabulary.  Three styles were considered:

   1. The legacy style for the DCMI Type Vocabulary [9], e.g.:

         Collection: An aggregation of items.

   2. A style proposed during the comment period by Gregory
      Renaud [6], e.g.:

         Collection: A resource which is an aggregation of items.

   3. The style used by Andy Powell in a draft Domain-Range 
      Vocabulary [10,11]:

         Collection: The class of all aggregations of items.

At its face-to-face meeting of 30 April 2006, the DCMI Usage
Board reaffirmed the legacy style (style number 1) and approved
the definition and comment texts which appear below.

[1] http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
[2] http://dublincore.org/documents/2005/06/13/dcmi-terms/
[3] http://dublincore.org/usage/meetings/2005/05/washdc/topic-type-vocabulary/
[4] http://dublincore.org/usage/meetings/2005/09/madrid/type-vocabulary/
[5] http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
[6] http://dublincore.org/usage/public-comment/2006/03/type-vocabulary-comments/
[7] http://dublincore.org/usage/meetings/2006/04/seattle/dcmitype/
[8] http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0312&L=dc-general&T=0&F=&S=&X=3E9FF4152D1B3DB3DF&Y=tbaker%40tbaker.de&P=444
[9] http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
[10] http://dublincore.org/usage/meetings/2006/04/seattle/domains-ranges/2006-03-24.dcPropertiesRanges.pdf
[11] http://dublincore.org/usage/meetings/2006/04/seattle/domains-ranges/



The approved texts:

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Collection
Label:          Collection

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     A collection is an aggregation of items. The term
    Official>                 collection means that the resource is
    Official>                 described as a group; its parts may be
    Official>                 separately described and navigated.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     An aggregation of items.
    Proposed> Comment:        The term Collection means that the resource
    Proposed>                 is described as a group; its parts may also
    Proposed>                 be separately described and navigated.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition: An aggregation of resources.

        Comment: A collection is described as a group; its parts
        may also be separately described.

    Note justifying the change: The original definition
    referred to "an aggregation of items".  However,
    the Usage Board wished to avoid confusion with the
    more specific notion of "item" defined in the widely
    discussed "Functional Requirements for Bibliographic
    Records" as "a single exemplar of a manifestation"
    (see http://www.ifla.org/VII/s13/frbr/frbr.pdf).

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Dataset
Label:          Dataset

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     A dataset is information encoded in a
    Official>                 defined structure (for example, lists,
    Official>                 tables, and databases), intended to be
    Official>                 useful for direct machine processing.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     Information encoded in a defined structure (for example,
    Proposed>                 lists, tables, and databases).
    Proposed> Comment:        A Dataset is intended to be useful for direct machine
    Proposed>                 processing.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition: Data encoded in a defined structure.

        Comment: Examples include lists, tables, and databases.
        A dataset may be useful for direct machine processing.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Event
Label:          Event

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     An event is a non-persistent, time-based
    Official>                 occurrence.  Metadata for an event provides
    Official>                 descriptive information that is the basis
    Official>                 for discovery of the purpose, location,
    Official>                 duration, responsible agents, and links to
    Official>                 related events and resources. The resource
    Official>                 of type event may not be retrievable if
    Official>                 the described instantiation has expired
    Official>                 or is yet to occur. Examples - exhibition,
    Official>                 web-cast, conference, workshop, open-day,
    Official>                 performance, battle, trial, wedding,
    Official>                 tea-party, conflagration.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A non-persistent, time-based occurrence.
    Proposed> 
    Proposed> Comment:        Metadata for an Event provides descriptive
    Proposed>                 information that is the basis for discovery of the
    Proposed>                 purpose, location, duration, and responsible
    Proposed>                 agents associated with an event. Examples 
    Proposed>                 include an exhibition, webcast, conference, workshop,
    Proposed>                 open day, performance, battle, trial, wedding, tea
    Proposed>                 party, conflagration.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition: A non-persistent, time-based occurrence.
        Comment:    Metadata for an event provides descriptive
                    information that is the basis for discovery of the
                    purpose, location, duration, and responsible
                    agents associated with an event. Examples 
                    include an exhibition, webcast, conference, workshop,
                    open day, performance, battle, trial, wedding, tea
                    party, conflagration.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Image
Label:          Image

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     An image is a primarily symbolic visual
    Official>                 representation other than text. For example -
    Official>                 images and photographs of physical objects,
    Official>                 paintings, prints, drawings, other images and
    Official>                 graphics, animations and moving pictures,
    Official>                 film, diagrams, maps, musical notation.
    Official>                 Note that image may include both electronic
    Official>                 and physical representations.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A primarily symbolic visual representation other than text.
    Proposed> Comment:        Examples include images and photographs
    Proposed>                 of physical objects, paintings, prints, drawings, other
    Proposed>                 images and graphics, animations and moving
    Proposed>                 pictures, film, diagrams, maps, musical
    Proposed>                 notation.  Note that Image may include both
    Proposed>                 electronic and physical representations.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition:  A visual representation other than text.
        Comment:     Examples include images and photographs
                     of physical objects, paintings, prints, drawings, other
                     images and graphics, animations and moving
                     pictures, film, diagrams, maps, musical
                     notation.  Note that Image may include both
                     electronic and physical representations.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/InteractiveResource
Label:          Interactive Resource

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     An interactive resource is a resource
    Official>                 which requires interaction from the user
    Official>                 to be understood, executed, or experienced.
    Official>                 For example - forms on web pages, applets,
    Official>                 multimedia learning objects, chat services,
    Official>                 virtual reality.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A resource which requires interaction from the user to
    Proposed>                 be understood, executed, or experienced.
    Proposed> Comment:        Examples include forms on Web pages, applets, multimedia
    Proposed>                 learning objects, chat services, virtual reality 
    Proposed>                 environments.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02
        Definition:     A resource requiring interaction from the user to
                        be understood, executed, or experienced.
        Comment:        Examples include forms on Web pages, applets, multimedia
                        learning objects, chat services, or virtual reality 
                        environments.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/MovingImage
Label:          Moving Image

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     A series of visual representations that,
    Official>                 when shown in succession, impart an
    Official>                 impression of motion. Examples of moving
    Official>                 images are: animations, movies, television
    Official>                 programs, videos, zoetropes, or visual
    Official>                 output from a simulation.
    Official> Comment:        Instances of the type "Moving Image" must
    Official>                 also be describable as instances of the
    Official>                 broader type "Image".

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A series of visual representations that, when shown in
    Proposed>                 succession, impart an impression of motion.
    Proposed> Comment:        Examples include animations, movies, television programs,
    Proposed>                 videos, zoetropes, or visual output from a simulation. 
    Proposed>                 Instances of the type Moving Image must also be describable 
    Proposed>                 as instances of the broader type Image.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition: A series of visual representations imparting
                    an impression of motion when shown in succession.
        Comment:    Examples include animations, movies, television programs,
                    videos, zoetropes, or visual output from a simulation. 
                    Instances of the type Moving Image must also be describable 
                    as instances of the broader type Image.


----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/PhysicalObject
Label:          Physical Object

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     An inanimate, three-dimensional object or
    Official>                 substance. For example -- a computer,
    Official>                 the great pyramid, a sculpture. Note that
    Official>                 digital representations of, or surrogates
    Official>                 for, these things should use Image, Text
    Official>                 or one of the other types.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     An inanimate, three-dimensional object or substance.
    Proposed> Comment:        Note that digital representations of, or surrogates for,
    Proposed>                 these objects should use Image, Text or one of the other 
    Proposed>                 types.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition:  An inanimate, three-dimensional object or substance.
        Comment:     Note that digital representations of, or surrogates for,
                     these objects should use Image, Text or one of the other 
                     types.


----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Service
Label:          Service

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     A service is a system that provides one or
    Official>                 more functions of value to the
    Official>                 end-user. Examples include: a photocopying
    Official>                 service, a banking service, an authentication
    Official>                 service, interlibrary loans, a Z39.50 or
    Official>                 Web server.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A system that provides one or more functions of value to
    Proposed>                 the end user.
    Proposed> Comment:        Examples include a photocopying service, a banking service,
    Proposed>                 an authentication service, interlibrary loans, a Z39.50 or 
    Proposed>                 Web server.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition:     A system that provides one or more functions.
        Comment:        Examples include a photocopying service, a banking service,
                        an authentication service, interlibrary loans, a Z39.50 or 
                        Web server.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Software
Label:          Software

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     Software is a computer program in source
    Official>                 or compiled form which may be available for
    Official>                 installation non-transiently on another
    Official>                 machine. For software which exists only
    Official>                 to create an interactive environment,
    Official>                 use interactive instead.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A computer program in source or compiled form
    Proposed>                 which may be available for installation nontransiently
    Proposed>                 on another machine.
    Proposed> Comment:        Examples include a C source file, MS-Windows
    Proposed>                 .exe executable, or Perl script.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition: A computer program in source or compiled form. 
        Comment:    Examples include a C source file, MS-Windows .exe executable, 
                    or Perl script.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Sound
Label:          Sound

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     A sound is a resource whose content is
    Official>                 primarily intended to be rendered as
    Official>                 audio. For example - a music playback file
    Official>                 format, an audio compact disc, and recorded
    Official>                 speech or sounds.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A resource whose content is primarily intended to be
    Proposed>                 rendered as audio.
    Proposed> Comment:        Examples include a music playback file format, an audio
    Proposed>                 compact disc, and recorded speech or sounds.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition: A resource primarily intended to be heard.
        Comment:    Examples include a music playback file format, an audio
                    compact disc, and recorded speech or sounds.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/StillImage
Label:          Still Image

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     A static visual representation. Examples
    Official>                 of still images are: paintings, drawings,
    Official>                 graphic designs, plans and maps.
    Official> Comment:        Recommended best practice is to assign the
    Official>                 type "text" to images of textual
    Official>                 materials. Instances of the type "Still
    Official>                 Image" must also be describable as instances
    Official>                 of the broader type "Image".  Narrower Than:
    Official>                 http://purl.org/dc/dcmitype/Image

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A static visual representation.
    Proposed> Comment:        Examples include paintings, drawings,
    Proposed>                 graphic designs, plans and maps. Recommended
    Proposed>                 best practice is to assign the type Text to
    Proposed>                 images of textual materials. Instances of the
    Proposed>                 type Still Image must also be describable as
    Proposed>                 instances of the broader type Image.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02
    
         Definition: A static visual representation.
         Comment:    Examples include paintings, drawings,
                     graphic designs, plans and maps. Recommended
                     best practice is to assign the type Text to
                     images of textual materials. Instances of the
                     type Still Image must also be describable as
                     instances of the broader type Image.

----------------------------------------------------------------------
URI:            http://purl.org/dc/dcmitype/Text
Label:          Text

    Official: http://dublincore.org/documents/2004/06/14/dcmi-type-vocabulary/
    Official> Definition:     A text is a resource whose content is
    Official>                 primarily words for reading. For example
    Official>                 - books, letters, dissertations, poems,
    Official>                 newspapers, articles, archives of mailing
    Official>                 lists. Note that facsimiles or images of
    Official>                 texts are still of the genre text.

    Proposed: http://dublincore.org/usage/public-comment/2005/12/type-vocabulary-changes/
    Proposed> Definition:     A resource whose content is primarily words for reading.
    Proposed> Comment:        Examples include books, letters, dissertations,
    Proposed>                 poems, newspapers, articles, archives of mailing
    Proposed>                 lists. Note that facsimiles or images of
    Proposed>                 texts are still of the genre Text.

    Approved: http://dublincore.org/usage/decisions/#Decision-2006-02

        Definition: A resource consisting primarily of words for reading.
        Comment:    Examples include books, letters, dissertations,
                    poems, newspapers, articles, archives of mailing
                    lists. Note that facsimiles or images of
                    texts are still of the genre Text.