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Dublin Core™ Collection Description Application Profile

Creator: Dublin Core™ Collection Description Working Group
Date Issued: 2005-08-25
Identifier: http://dublincore.org/specifications/dublin-core/collection-description/collection-application-profile/2005-08-25/
Replaces: http://dublincore.org/specifications/dublin-core/collection-description/collection-application-profile/2005-08-13/
Is Replaced By: http://dublincore.org/specifications/dublin-core/collection-description/collection-application-profile/2006-02-24/
Latest Version: http://dublincore.org/specifications/dublin-core/collection-description/collection-application-profile/
Status of Document: This is a Draft Dublin Core™ Application Profile.
Description of Document: This document describes the draft application profile for collection-level description developed by the Dublin Core™ Collection Description Working Group.

Contents

  • Introduction
  • Outstanding Issues
  • Vocabularies/Namespaces Used in this DCAP
  • Collection Properties
  • Encoding Schemes Used
  • Administrative Metadata

Introduction

Note : This document presents full details of the application profile. For a summary view, see the Dublin Core™ Collection Description Application Profile Summary [DCCDAPS].

Collections and collection-level description

The term "collection" can be applied to any aggregation of physical or digital items. Those items may be of any type, so examples might include aggregations of natural objects, created objects, "born-digital" items, digital surrogates of physical items, and the catalogues of such collections (as aggregations of metadata records). The criteria for aggregation may vary: e.g. by location, by type or form of the items, by provenance of the items, by source or ownership, and so on. Collections may contain any number of items and may have varying levels of permanence.

A "collection-level description" provides a description of the collection as a unit: the resource described by a collection-level description is the collection, rather than the individual items within that collection. Collection-level descriptions are referred to in Michael Heaney's An Analytical Model of Collections and their Catalogues as "unitary finding-aids" [AMCC].

Collection-level description enables a collection provider to

  • disclose information about the content and availability of collections to users where item-level metadata does not exist or is not available, or where the provision of item-level detail is not required or appropriate

It enables a user to

  • discover and locate collections of interest
  • select collections to explore on the basis of a summary description
  • compare collections as broadly similar objects, even where items (and/or item-level metadata) are heterogeneous
  • understand conditions of access and use
  • interpret collections (and items within collections)

Increasingly, many of these functions - notably the discovery, location, selection and comparison of collections - are being carried out by software acting on behalf of a human user, perhaps in accordance with user preferences or with parameters describing the scope of a particular service.

The Dublin Core™ Collection Description Application Profile (DC CD AP)

A DC application profile (DCAP) specifies set of terms used in a class of DC metadata description sets, typically the class of description sets which are deployed within a metadata application or within a set of applications and services operating within some domain or community. It describes the properties that are used in statements and how the use of those properties is constrained or adapted for the purposes of that application or domain.

So, the DC CD AP specifies;

  1. The set of terms used in a class of DC metadata description sets.
    Specifically, it describes the set of terms used in a description of a collection. A collection description conforming to this DC CD AP may be the only description in a description set or it may be part of a description set which includes descriptions of other resources related to the collection (as values in statements about the collection). Such other resources include the location of the collection, the services that provide access to the collection, concepts that are the subject of the collection, and other collections. While this DCAP permits the inclusion of descriptions of those related resources, it does not specify the properties and classes that may be referenced in descriptions of resources other than collections.
  2. How the terms in this set are deployed in this class of DC metadata descriptions.
    This includes requirements for the the occurrence of statements using a specified property, constraints on the types of value which are referenced in a statement using a specified property (vocabulary encoding schemes), and constraints on the datatypes of the value strings occurring in a statement using a specified property (syntax encoding schemes).

The terms description set, description, property, value, vocabulary encoding scheme, value representation, rich representation, value string, syntax encoding scheme, and related description are used in the sense they are used in the DCMI Abstract Model [DCAM].

The metadata terms referenced in the DC CD AP are drawn from the Dublin Core™ metadata vocabularies and also from other metadata vocabularies.

The DC CD AP is independent of any particular syntax for representing description sets. Separate guidelines will describe how descriptions conforming to the DC CD AP may be represented using the conventions recommended by DCMI for expressing DC metadata using the Resource Description Framework (RDF) and using the Extensible Markup Language (XML).

Functional Requirements of the DC CD AP

The DC CD AP is intended to provide a means of creating simple collection-level descriptions suitable for a broad range of collections. It is designed primarily to support the discovery and selection of collections, though it may be used to support other functions such as collection management too. It is not intended to describe every possible characteristic of every type of collection.

The aim is that the DC CD AP should support:

  • the discovery of collections of potential interest using some common access points
  • the identification of a known collection
  • the selection of one or more collections from amongst a number of discovered collections
  • the identification of the location of the collection
  • the identification of the services that provide access to the collection

Data Model

The DC CD AP is based on a data model which is derived from that described in An Analytical Model of Collections and their Catalogues [AMCC]. It differs from that model in adding a new entity type, Service.

The following definitions are used (adapted from the Analytic Model):

  • Collection An aggregation of Items.
  • Item The concrete realisation of Content.
  • Location The place where a Collection is held.
  • Service A system that provides access to the Items within the Collection
E-R model

In the Analytic Model relationships may carry attributes; in the DC CD AP, relationships are represented as simple properties and do not themselves carry attributes, so some of the expressivity of the model is lost in the metadata schema.

This version of the DC CD AP describes the use of properties to represent attributes of the collection and relationships between the collection and other entities. It does not describe how to represent properties of other entities in the model.

Outstanding Isssues

This DCAP is currently work-in-progress. Two major issues are still under discussion:

  • Clarification (at the level of the data model) of the nature of the Location and Service entity types, and the relationships between Collection and Location and Collection and Service. The properties gen:isLocatedAt and gen:isAccessedVia currently listed below should be treated as provisional placeholders for a solution.
  • How to represent the information that a collection contains some items of specified formats. The outcome of this decision may also result in changes to the representation of the information that a collection contains items of a specified type.

Vocabularies/Namespaces used in this DCAP

All references to properties and classes in DC metadata descriptions are made using URIs, In this document, Qualified Names of the form prefix ":" local-part are sometimes used as abbreviations for URIs which identify metadata terms. Prefixes are assumed to be associated with Namespace Names (URIs) as follows, and the corresponding URI for the term is constructed by concatenating the Namespace Name and the local-part:

Vocabulary Title Namespace Name Prefix
The Dublin Core™ Metadata Element Set, v1.1 http://purl.org/dc/elements/1.1/ dc
Dublin Core™ Terms http://purl.org/dc/terms/ dcterms
Dublin Core™ Type Vocabulary http://purl.org/dc/dcmitype/ dcmitype
MARC Relator Code Properties http://www.loc.gov/loc.terms/relators/
 marcrel
Collection Description Terms
(collection-specific terms) 		http://example.org/cld/terms#
[temporary URI, final URI to be confirmed] 		cld
General Description Terms
(non-collection-specific terms) 		http://example.org/gen/terms#
[temporary URI, final URI to be confirmed] 		gen
Collection Type Vocabulary Terms http://example.org/cld/type#
[temporary URI, final URI to be confirmed] 		cldtype

Please note that where terms have Qualified Names with the prefixes gen, cld and cldtype, this indicates that those terms have not yet been assigned persistent URIs. Until such persistent URIs are assigned, by DCMI or by some other naming authority, these terms should be considered to be unstable and should not be referenced in metadata descriptions, except as part of the evaluation/testing of this profile.

Property Usage

Each table in the following section describes how a specified property should be used in a statement within a DC metadata description.

  • Identifier: The URI by which the property is referenced in a DC metadata description.
  • Qualified Name: The Qualified Name which is typically used as an abbreviation for the URI.
  • Defined By: The name and identifier of the metadata vocabulary from which the property is drawn.
  • Type of Term: An indication of the type of the term, according to the typology of the DCMI Abstract Model
  • Source Label: The short label provided for the property by its owner/maintenance agency.
  • Label in this DCAP: A short label that provides an indication of how the property is to be used in a DC CD AP collection description. The label does not appear in the description. It may be used to provide a descriptor for fields in displays of DC CD AP collection descriptions, but there is no requirement for display applications to use this label.
  • Source Definition: The definition provided for the property by its owner/maintenance agency.
  • Usage in this DCAP: A description of how the definition of the property is to be applied in DC CD AP collection descriptions. This information supplements the definition of the property provided by its owner/maintenance agency.
  • Comments: Additional information about the use of the property in the DC CD AP, typically on the values and their representation.
  • Refines: Properties of which the current property is a subproperty.
  • Refined By: Properties which are subproperties of the current property.
  • Uses Vocabulary Encoding Scheme: The unique names/identifiers of classes from which values for the property should be drawn. Names are presented as Qualified Names, but are abbreviations for URIs. The URI must be used to refer to the class in DC CD AP collection descriptions. If no class is listed, then the DC CD AP does not specify the a class from which values should be drawn. However the definition and usage of the property may determine that values of only certain types are appropriate. For example, the value of the dc:creator property must be an entity capable of action.
  • Value URI: An indication of whether a value URI is to be used in a statement using the property (and vocabulary encoding scheme, where specified). M = a value URI is required, O = a value URI is optional (see note), N = a value URI is not permitted
  • Value String: An indication of whether a value string is to be used in a statement using the property (and vocabulary encoding scheme, where specified). M = a value string is required, O = a value string is optional (see note), N = a value string is not permitted
  • Syntax Encoding Scheme(s): The unique names/identifiers of datatypes from which value strings for the property should be drawn. Names are presented as Qualified Names, but are abbreviations for URIs. The URI must be used to refer to the datatype in DC CD AP collection descriptions. If no datatype is listed, then the DC CD AP does not specify the a class from which values should be drawn.
  • Rich Representation: An indication of whether a rich representation is to be used in a statement using the property (and vocabulary encoding scheme, where specified). M = a rich representation is required, O = a rich representation is optional (see note), N = a rich representation is not permitted
  • Obligation: An indication of whether a statement using this property is required in a DC CD AP collection description. M = a statement using this property is required, OR = a statement using this property is optional but recommended, O = a statement using this property is optional
  • Condition: Information on any additional conditions on the obligation to use the property
  • Occurrences: The minimum and maximum number of statements referencing this property that can occur in a metadata description

Note : For each value, at least one of the following components must be present: a value URI, a rich representation, a value string or a (related) description.

Collection Properties

  • Collection Identifier [dc:identifier]
  • Title [dc:title]
  • Alternative Title [dcterms:alternative]
  • Description [dcterms:abstract]
  • Size [dcterms:extent]
  • Language [dc:language]
  • Type [dc:type]
  • Rights [dc:rights]
  • Access Rights [dcterms:accessRights]
  • Accrual Method [dcterms:accrualMethod]
  • Accrual Periodicity [dcterms:accrualPeriodicity]
  • Accrual Policy [dcterms:accrualPolicy]
  • Custodial History [dcterms:provenance]
  • Audience [dcterms:audience]
  • Subject [dc:subject]
  • Spatial Coverage [dcterms:spatial]
  • Temporal Coverage [dcterms:temporal]
  • Accumulation Date Range [dcterms:created]
  • Contents Date Range [cld:dateContentsCreated]
  • Collector [dc:creator]
  • Owner [marcrel:OWN]
  • Is Located At [gen:isLocatedAt]
  • Is Accessed Via [gen:isAccessedVia]
  • Associated Publication [dcterms:isReferencedBy]
  • Super-Collection [dcterms:isPartOf]
  • Sub-Collection [dcterms:hasPart]
  • Catalogue or Description [dc:description]
  • Associated Collection [dc:relation]

Collection Identifier [dc:identifier]

Term Identifier http://purl.org/dc/elements/1.1/identifier
Qualified Name dc:identifier
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Resource Identifier
Label in this DCAP Collection Identifier
Source Definition

An unambiguous reference to the resource within a given context.
Usage in this DCAP

A globally unique formal identifier for the collection.
Comments for this DCAP

A collection identifier must be a URI, and the use of a URI scheme that has been registered with IANA is preferred.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme dcterms:URI, Dublin Core™ Terms
http://purl.org/dc/terms/URI

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
N M   N
Obligation Optional, but recommended.
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Title [dc:title]

Term Identifier http://purl.org/dc/elements/1.1/title
Qualified Name dc:title
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Title
Label in this DCAP Title
Source Definition

A name given to the resource.
Usage in this DCAP

The name of the collection.
Comments for this DCAP

Where an existing name is used, the value string should preserve the original wording, order and spelling of an existing name. Punctuation need not reflect the usage of the original. Subtitles should be separated from the title by a colon, for example:

Voices from the Dust Bowl: The Charles L. Todd and Robert Sonkin Migrant Worker Collection
Refines [n/a]
Refined by dcterms:alternative, Dublin Core™ Terms
http://purl.org/dc/terms/alternative
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
N M   N
Obligation Mandatory
Condition [n/a]
Occurrence Minimum: 1, Maximum: unbounded

Alternative Title [dcterms:alternative]

Term Identifier http://purl.org/dc/terms/alternative
Qualified Name dcterms:alternative
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Alternative
Label in this DCAP Alternative Title
Source Definition

Any form of the title used as a substitute or alternative to the formal title of the resource.
Usage in this DCAP

Any form of the name used as a substitute or alternative to the formal name of the collection.
Comments for this DCAP

Values may include acronyms that are used in addition to the name of the collection.
Refines dc:title, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/title
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
N M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Description [dcterms:abstract]

Term Identifier http://purl.org/dc/terms/abstract
Qualified Name dcterms:abstract
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element refinement)
Source Label Abstract
Label in this DCAP Description
Source Definition

A summary of the content of the resource.
Usage in this DCAP

A summary of the content of the collection.
Comments for this DCAP

A free text summary of the collection.

Although a description might contain detailed subject-specific information, at least part of the description should be understandable by an end-user with no specialist knowledge of the subject area.
Refines dc:description, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/description
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
N M   N
Obligation Mandatory
Condition [n/a]
Occurrence Minimum: 1, Maximum: unbounded

Size [dcterms:extent]

Term Identifier http://purl.org/dc/terms/extent
Qualified Name dcterms:extent
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Extent
Label in this DCAP Size
Source Definition

The size or duration of the resource.
Usage in this DCAP

The size of the collection.
Comments for this DCAP [n/a]
Refines dc:format, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/format
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
N M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Language [dc:language]

Term Identifier http://purl.org/dc/elements/1.1/language
Qualified Name dc:language
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Language
Label in this DCAP Language
Source Definition

A language of the intellectual content of the resource.
Usage in this DCAP

A language of the content of the items in the collection.
Comments for this DCAP

The value string should be a language name in the form of the three character code defined by ISO 639-2.

Where the collection covers multiple languages, a separate statement should be used for each language.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme dcterms:ISO639-2, Dublin Core™ Terms
http://purl.org/dc/terms/ISO639-2

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Type [dc:type]

Term Identifier http://purl.org/dc/elements/1.1/type
Qualified Name dc:type
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Resource Type
Label in this DCAP Collection Type
Source Definition

The nature or genre of the content of the resource.
Usage in this DCAP

A type of the collection.
Comments for this DCAP

Where the collection is categorised to be of an instance of multiple types in the cld:CLDType vocabulary, a separate statement should be used for each type.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme cld:CLDType, Collection Description Terms
http://example.org/cld/terms#CLDType

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Rights [dc:rights]

Term Identifier http://purl.org/dc/elements/1.1/rights
Qualified Name dc:rights
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Rights
Label in this DCAP Rights
Source Definition

Information about rights held in and over the resource.
Usage in this DCAP

A statement of any rights held in/over the collection.
Comments for this DCAP [n/a]
Refines [n/a]
Refined by dcterms:accessRights, Dublin Core™ Terms
http://purl.org/dc/terms/accessRights
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O O   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Access Rights [dcterms:accessRights]

Term Identifier http://purl.org/dc/terms/accessRights
Qualified Name dcterms:accessRights
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Access Rights
Label in this DCAP Access Rights
Source Definition

Information about who can access the resource or an indication of its security status.
Usage in this DCAP

A statement of any access restrictions placed on the collection, including allowed users, charges, etc.
Comments for this DCAP [n/a]
Refines dc:rights, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/rights
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O O   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Accrual Method [dcterms:accrualMethod]

Term Identifier http://purl.org/dc/terms/accrualMethod
Qualified Name dcterms:accrualMethod
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element)
Source Label Accrual Method
Label in this DCAP Accrual Method
Source Definition

The method by which items are added to a collection.
Comments for this DCAP

Recommended best practice is to use a value from the DCCD Accrual Method encoding scheme.

Where multiple methods apply, a separate statement should be used for each method.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme cld:DCCDAccrualMethod, Collection Description Terms
http://example.org/cld/terms#DCCDAccrualMethod

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Accrual Periodicity [dcterms:accrualPeriodicity]

Term Identifier http://purl.org/dc/terms/accrualPeriodicity
Qualified Name dcterms:accrualPeriodicity
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element)
Source Label Accrual Periodicity
Label in this DCAP Accrual Periodicity
Source Definition

The frequency with which items are added to a collection.
Comments for this DCAP

Recommended best practice is to use a value from the DCCD Accrual Periodicity encoding scheme.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme cld:DCCDAccrualPeriodicity, Collection Description Terms
http://example.org/cld/terms#DCCDAccrualPeriodicity

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Accrual Policy [dcterms:accrualPolicy]

Term Identifier http://purl.org/dc/terms/accrualPolicy
Qualified Name dcterms:accrualPolicy
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element)
Source Label Accrual Policy
Label in this DCAP Accrual Policy
Source Definition

The policy governing the addition of items to a collection.
Comments for this DCAP

Recommended best practice is to use a value from the DCCD Accrual Policy encoding scheme.

Where multiple policies apply, a separate statement should be used for each policy.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme cld:DCCDAccrualPolicy, Collection Description Terms
http://example.org/cld/terms#DCCDAccrualPolicy

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Custodial History [dcterms:provenance]

Term Identifier http://purl.org/dc/terms/provenance
Qualified Name dcterms:provenance
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element)
Source Label Provenance
Label in this DCAP Custodial History
Source Definition

A statement of any changes in ownership and custody of the resource since its creation that are significant for its authenticity, integrity and interpretation.
Usage in this DCAP

A statement of any changes in ownership and custody of the collection that are significant for its authenticity, integrity and interpretation.
Comments for this DCAP [n/a]
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Audience [dcterms:audience]

Term Identifier http://purl.org/dc/terms/audience
Qualified Name dcterms:audience
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element)
Source Label Audience
Label in this DCAP Audience
Source Definition

A class of entity for whom the resource is intended or useful.
Usage in this DCAP

A class of entity for whom the collection is intended or useful.
Comments for this DCAP

Where a collection is intended or useful for multiple audiences, a separate statement should be used for each audience.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Subject [dc:subject]

Term Identifier http://purl.org/dc/elements/1.1/subject
Qualified Name dc:subject
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Subject and Keywords
Label in this DCAP Subject
Source Definition

The topic of the content of the resource.
Usage in this DCAP

A subject or topic associated with the items in the collection.
Comments for this DCAP

Keywords or subject descriptors associated with items in the collection.

The terms used indicate the subject matter of the collection.

Where multiple keywords or subject descriptors are provided, a separate statement should be used for each keyword or term.

The vocabulary encoding schemes below are those recommended by DCMI. Other appropriate vocabulary encoding schemes may be used, and the use of a scheme must be indicated.
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme dcterms:LCSH, Dublin Core™ Terms
http://purl.org/dc/terms/LCSH

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Uses Vocabulary Encoding Scheme dcterms:LCC, Dublin Core™ Terms
http://purl.org/dc/terms/LCC

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Uses Vocabulary Encoding Scheme dcterms:MESH, Dublin Core™ Terms
http://purl.org/dc/terms/MESH

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Uses Vocabulary Encoding Scheme dcterms:DDC, Dublin Core™ Terms
http://purl.org/dc/terms/DDC

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Uses Vocabulary Encoding Scheme dcterms:UDC, Dublin Core™ Terms
http://purl.org/dc/terms/UDC

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Spatial Coverage [dcterms:spatial]

Term Identifier http://purl.org/dc/terms/spatial
Qualified Name dcterms:spatial
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Spatial
Label in this DCAP Spatial Coverage
Source Definition

Spatial characteristics of the intellectual content of the resource.
Usage in this DCAP

The spatial coverage of the content of the items in the collection.
Comments for this DCAP [n/a]
Refines dc:coverage, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/coverage
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Temporal Coverage [dcterms:temporal]

Term Identifier http://purl.org/dc/terms/temporal
Qualified Name dcterms:temporal
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Temporal
Label in this DCAP Temporal Coverage
Source Definition

Temporal characteristics of the intellectual content of the resource.
Usage in this DCAP

The temporal coverage of the content of the items in the collection.
Comments for this DCAP [n/a]
Refines dc:coverage, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/coverage
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Accumulation Date Range [dcterms:created]

Term Identifier http://purl.org/dc/terms/created
Qualified Name dcterms:created
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Created
Label in this DCAP Accumulation Date Range
Source Definition

Date of creation of the resource.
Usage in this DCAP

The range of dates over which the collection was accumulated.
Comments for this DCAP

A date range should be supplied in the form described by RKMS-ISO8601. Start dates and end dates should be in the form of a date or date-time combination as specified by W3CDTF. Start dates and end dates should be separated by a solidus (forward slash) (/). Either the start date or the end date may be omitted to indicate an open-ended date range.

All the following are examples of RKMS-ISO8601 date ranges:

1888/1894
1960/
/1960
2000-02/2000-06-18

indicating, '1888 to 1894', '1960 onwards', 'up until 1960' and 'February 2000 to 18 June 2000' respectively.

Where multiple ranges are required, a separate statement should be used for each range.
Refines dc:date, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/date
Refined by [n/a]
Uses Vocabulary Encoding Scheme gen:RKMS-ISO8601, General Description Terms
http://example.org/gen/terms#RKMS-ISO8601


Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Contents Date Range [cld:dateContentsCreated]

Term Identifier http://example.org/cld/terms#dateContentsCreated
Qualified Name cld:dateContentsCreated
Defined By Collection Description Terms
http://example.org/cld/terms#
Type of Term Property (Element Refinement)
Source Label Date Contents Created
Label in this DCAP Contents Date Range
Source Definition

The range of dates over which the individual items within the collection were created.
Usage in this DCAP [n/a]
Comments for this DCAP

A date range should be supplied in the form described by RKMS-ISO8601. Start dates and end dates should be in the form of a date or date-time combination as specified by W3CDTF. Start dates and end dates should be separated by a solidus (forward slash) (/). Either the start date or the end date may be omitted to indicate an open-ended date range.

All the following are examples of RKMS-ISO8601 date ranges:

1888/1894
1960/
/1960
2000-02/2000-06-18

indicating, '1888 to 1894', '1960 onwards', 'up until 1960' and 'February 2000 to 18 June 2000' respectively.

Where multiple ranges are required, a separate statement should be used for each range.
Refines dc:date, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/date
Refined by [n/a]
Uses Vocabulary Encoding Scheme gen:RKMS-ISO8601, General Description Terms
http://example.org/gen/terms#RKMS-ISO8601


Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Collector [dc:creator]

Term Identifier http://purl.org/dc/elements/1.1/creator
Qualified Name dc:creator
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Creator
Label in this DCAP Collector
Source Definition

An entity primarily responsible for making the content of the resource.
Usage in this DCAP

An entity who gathers (or gathered) the items in a collection together.
Comments for this DCAP [n/a]
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Owner [marcrel:OWN]

Term Identifier http://www.loc.gov/loc.terms/relators/OWN
Qualified Name marcrel:OWN
Defined By MARC Relator Codes
http://www.loc.gov/loc.terms/relators/
Type of Term Property (Element)
Source Label Owner
Label in this DCAP Owner
Source Definition

The person or organization that currently owns an item or collection.
Usage in this DCAP

An entity who has legal possession of the collection.
Comments for this DCAP [n/a]
Refines [n/a]
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Is Located At [gen:isLocatedAt]

Term Identifier http://example.org/gen/terms#isLocatedAt
Qualified Name gen:isLocatedAt
Defined By General Description Terms
http://example.org/gen/terms#
Type of Term Property (Element Refinement)
Source Label Is Located At
Label in this DCAP Is Located At
Source Definition

A location of the resource.
Usage in this DCAP

A location of the collection.
Comments for this DCAP
Refines dc:relation, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/relation
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Is Accessed Via [gen:isAccessedVia]

Term Identifier http://example.org/gen/terms#isAccessedVia
Qualified Name gen:isAccessedVia
Defined By General Description Terms
http://example.org/gen/terms#
Type of Term Property (Element Refinement)
Source Label Resource Identifier
Label in this DCAP Is Accessed Via
Source Definition

A service that provides access to the resource.
Usage in this DCAP

A service that provides access to the collection.
Comments for this DCAP
Refines dc:relation, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/relation
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O M   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Sub-collection [dcterms:hasPart]

Term Identifier http://purl.org/dc/terms/hasPart
Qualified Name dcterms:hasPart
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Has Part
Label in this DCAP Sub-collection
Source Definition

The described resource includes the referenced resource either physically or logically.
Usage in this DCAP

A second collection contained within the current collection.
Comments for this DCAP [n/a]
Refines dc:relation, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/relation
Refined by [n/a]
Uses Vocabulary Encoding Scheme dcmitype:Collection, DCMI Type Vocabulary
http://purl.org/dc/dcmitype/Collection

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O O   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Super-collection [dcterms:isPartOf]

Term Identifier http://purl.org/dc/terms/isPartOf
Qualified Name dcterms:isPartOf
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Is Part Of
Label in this DCAP Super-collection
Source Definition

The described resource is a physical or logical part of the referenced resource.
Usage in this DCAP

A second collection that contains the current collection.
Comments for this DCAP [n/a]
Refines dc:relation, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/relation
Refined by [n/a]
Uses Vocabulary Encoding Scheme dcmitype:Collection, DCMI Type Vocabulary
http://purl.org/dc/dcmitype/Collection

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O O   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Catalogue or description [dc:description]

Term Identifier http://purl.org/dc/elements/1.1/description
Qualified Name dc:description
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Description
Label in this DCAP Catalogue or Description
Source Definition

An account of the content of the resource.
Usage in this DCAP

A second collection that describes the current collection (for example, the catalogue for the current collection).
Comments for this DCAP [n/a]
Refines [n/a]
Refined by dcterms:abstract, Dublin Core™ Terms
http://purl.org/dc/terms/abstract
Uses Vocabulary Encoding Scheme dcmitype:Collection, DCMI Type Vocabulary
http://purl.org/dc/dcmitype/Collection

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O O   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Associated collection [dc:relation]

Term Identifier http://purl.org/dc/elements/1.1/relation
Qualified Name dc:relation
Defined By The Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/
Type of Term Property (Element)
Source Label Relation
Label in this DCAP Associated collection
Source Definition

A reference to a related resource.
Usage in this DCAP

A second collection that is associated with the current collection.
Comments for this DCAP [n/a]
Refines [n/a]
Refined by dcterms:isPartOf, Dublin Core™ Terms
http://purl.org/dc/terms/isPartOf
Refined by dcterms:hasPart, Dublin Core™ Terms
http://purl.org/dc/terms/hasPart
Refined by dcterms:isReferencedBy, Dublin Core™ Terms
http://purl.org/dc/terms/isReferencedBy
Refined by gen:isAccessedVia, General Description Terms
http://example.org/gen/terms#isAccessedVia
Refined by gen:isLocatedAt, General Description Terms
http://example.org/gen/terms#isLocatedAt
Uses Vocabulary Encoding Scheme dcmitype:Collection, DCMI Type Vocabulary
http://purl.org/dc/dcmitype/Collection

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O O   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Associated publication [dcterms:isReferencedBy]

Term Identifier http://purl.org/dc/terms/isReferencedBy
Qualified Name dcterms:isReferencedBy
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Property (Element Refinement)
Source Label Is Referenced By
Label in this DCAP Associated publication
Source Definition

The described resource is referenced, cited, or otherwise pointed to by the referenced resource.
Usage in this DCAP

A publication that is based on the use, study, or analysis of the collection.
Comments for this DCAP [n/a]
Refines dc:relation, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/relation
Refined by [n/a]
Uses Vocabulary Encoding Scheme [Value type not specified]

Value
URI 		Value
String 		Syntax
Encoding
Scheme(s) 		Rich
Represent
O O   N
Obligation Optional
Condition [n/a]
Occurrence Minimum: 0, Maximum: unbounded

Encoding Schemes Used

  • Uniform Resource Identifier [dcterms:URI]
  • ISO 639-2 [dcterms:ISO639-2]
  • Collection Type Vocabulary [cld:CLDType]
  • DCCD Accrual Method [cld:DCCDAccrualMethod]
  • DCCD Accrual Periodicity [cld:DCCDAccrualPeriodicity]
  • DCCD Accrual Policy [cld:DCCDAccrualPolicy]
  • Image [dcmitype:Image]
  • Library of Congress Subject Headings [dcterms:LCSH]
  • Library of Congress Classification [dcterms:LCC]
  • Medical Subject Headings [dcterms:MESH]
  • Dewey Decimal Classification [dcterms:DDC]
  • Universal Decimal Classification [dcterms:UDC]
  • Recordkeeping Metadata Schema Extension to ISO8601 [gen:RKMS-ISO8601]
- Collection [dcmitype:Collection]

Uniform Resource Identifier [dcterms:URI]

Term Identifier http://purl.org/dc/terms/URI
Qualified Name dcterms:URI
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Vocabulary (?) Encoding Scheme
Label Uniform Resource Identifier
Definition

Uniform Resource Identifier.
See Also http://www.ietf.org/rfc/rfc2396.txt
Encoding Scheme for dc:identifier, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/identifier

ISO639-2 [dcterms:ISO639-2]

Term Identifier http://purl.org/dc/terms/ISO639-2
Qualified Name dcterms:ISO639-2
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Vocabulary Encoding Scheme
Label ISO 639-2
Definition

ISO 639-2: Codes for the representation of names of languages.
Comments for this DCAP [n/a]
See Also http://www.loc.gov/standards/iso639-2/
Encoding Scheme for dc:language, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/language

Collection Type Vocabulary [cld:CLDType]

Term Identifier http://example.org/cld/terms#CLDType
Qualified Name cld:CLDType
Defined By Collection Description Terms
http://example.org/cld/terms#
Type of Term Vocabulary Encoding Scheme
Label Collection Type Vocabulary
Definition

A list of types that categorize the collection according to the nature of the items in the collection.
Comments for this DCAP [n/a]
See Also http://www.ukoln.ac.uk/metadata/dcmi/collection-type/
Encoding Scheme for dc:type, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/type

DCCD Accrual Method [cld:DCCDAccrualMethod]

Term Identifier http://example.org/cld/terms#DCCDAccrualMethod
Qualified Name cld:DCCDAccrualMethod
Defined By Collection Description Terms
http://example.org/cld/terms#
Type of Term Vocabulary Encoding Scheme
Label DCCD Accrual Method
Definition

Methods by which items are added to a collection.
Comments for this DCAP [n/a]
See Also http://www.ukoln.ac.uk/metadata/dcmi/collection-DCCDAccrualMethod/
Encoding Scheme for dcterms:accrualMethod, Dublin Core™ Terms
http://purl.org/dc/terms/accrualMethod

DCCD Accrual Periodicity [cld:DCCDAccrualPeriodicity]

Term Identifier http://example.org/cld/terms#DCCDAccrualPeriodicity
Qualified Name cld:DCCDAccrualPeriodicity
Defined By Collection Description Terms
http://example.org/cld/terms#
Type of Term Vocabulary Encoding Scheme
Label DCCD Accrual Periodicity
Definition

Frequencies which items are added to a collection.
Comments for this DCAP [n/a]
See Also http://www.ukoln.ac.uk/metadata/dcmi/collection-DCCDAccrualPeriodicity/
Encoding Scheme for dcterms:accrualPeriodicity, Dublin Core™ Terms
http://purl.org/dc/terms/accrualPeriodicity

DCCD Accrual Policy [cld:DCCDAccrualPolicy]

Term Identifier http://example.org/cld/terms#DCCDAccrualPolicy
Qualified Name dcterms:DCCDAccrualPolicy
Defined By Collection Description Terms
http://example.org/cld/terms#
Type of Term Vocabulary Encoding Scheme
Label DCCD Accrual Policy
Definition

Policies governing the addition of items to a collection.
Comments for this DCAP [n/a]
See Also http://www.ukoln.ac.uk/metadata/dcmi/collection-DCCDAccrualPolicy/
Encoding Scheme for dcterms:accrualPolicy, Dublin Core™ Terms
http://purl.org/dc/terms/accrualPolicy

Library of Congress Subject Headings (LCSH) [dcterms:LCSH]

Term Identifier http://purl.org/dc/terms/LCSH
Qualified Name dcterms:LCSH
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Vocabulary Encoding Scheme
Label LCSH
Definition

Library of Congress Subject Headings.
Comments for this DCAP [n/a]
See Also http://lcweb.loc.gov/cds/lcsh.html
Encoding Scheme for dc:subject, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/subject

Library of Congress Classification (LCC) [dcterms:LCC]

Term Identifier http://purl.org/dc/terms/LCC
Qualified Name dcterms:LCC
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Vocabulary Encoding Scheme
Label LCC
Definition

Library of Congress Classification.
Comments for this DCAP [n/a]
See Also http://lcweb.loc.gov/catdir/cpso/lcco/lcco.html
Encoding Scheme for dc:subject, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/subject

Medical Subject Headings (MESH) [dcterms:MESH]

Term Identifier http://purl.org/dc/terms/MESH
Qualified Name dcterms:MESH
Type of Term Vocabulary Encoding Scheme
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Label MeSH
Definition

Medical Subject Headings.
Comments for this DCAP [n/a]
See Also http://www.nlm.nih.gov/mesh/meshhome.html
Encoding Scheme for dc:subject, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/subject

Dewey Decimal Classification (DDC) [dcterms:DDC]

Term Identifier http://purl.org/dc/terms/DDC
Qualified Name dcterms:DDC
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Vocabulary Encoding Scheme
Label DDC
Definition

Dewey Decimal Classification.
Comments for this DCAP [n/a]
See Also http://www.oclc.org/dewey/
Encoding Scheme for dc:subject, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/subject

Universal Decimal Classification (UDC) [dcterms:UDC]

Term Identifier http://purl.org/dc/terms/UDC
Qualified Name dcterms:UDC
Defined By Dublin Core™ Terms
http://purl.org/dc/terms/
Type of Term Vocabulary Encoding Scheme
Label UDC
Definition

Universal Decimal Classification.
Comments for this DCAP [n/a]
See Also http://www.udcc.org/
Encoding Scheme for dc:subject, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/subject

Recordkeeping Metadata Schema Extension to ISO8601 [gen:RKMS-ISO8601]

Term Identifier http://example.org/gen/terms#RKMS-ISO8601
Qualified Name gen:RKMS-ISO8601
Defined By General Description Terms
http://example.org/gen/terms#
Type of Term Vocabulary (?) Encoding Scheme
Label Recordkeeping Metadata Schema Extension to ISO8601
Definition

Instances of this class are dates or periods of time represented as literals according to the rules specified in Recordkeeping Metadata Schema Extension to ISO8601.
Comments for this DCAP [n/a]
See Also [n/a]
Encoding Scheme for cld:dateContentsCreated, Collection Description Terms
http://example.org/cld/terms#dateContentsCreated
Encoding Scheme for dcterms:created, Dublin Core™ Terms
http://purl.org/dc/terms/created

Collection [dcmitype:Collection]

Term Identifier http://purl.org/dc/dcmitype/Collection
Qualified Name dcmitype:Collection
Defined By DCMI Type Vocabulary
http://purl.org/dc/dcmitype/
Type of Term Vocabulary Encoding Scheme
Label Collection
Definition

A collection is an aggregation of items. The term collection means that the resource is described as a group; its parts may be separately described and navigated.
Comments for this DCAP [n/a]
See Also [n/a]
Encoding Scheme for dcterms:hasPart, Dublin Core™ Terms
http://purl.org/dc/terms/hasPart
Encoding Scheme for dcterms:isPartOf, Dublin Core™ Terms
http://purl.org/dc/terms/isPartOf
Encoding Scheme for dc:description, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/description
Encoding Scheme for dc:relation, Dublin Core™ Metadata Element Set, v1.1
http://purl.org/dc/elements/1.1/relation

Administrative Metadata

A collection-level description conforming to this profile should itself be described by an appropriate administrative metadata description. This document does not specify the properties to be used in that administrative metadata description.

Changes made in this version

  • Removed usage of gen:logo property (and dcmitype:Image as encoding scheme).

References

[DCCDAPS]  Dublin Core™ Collection Description Application Profile Summary
http://dublincore.org/specifications/dublin-core/collection-description/collection-ap-summary/

[AMCC]  Heaney, Michael. An Analytical Model of Collections and their Catalogues
http://www.ukoln.ac.uk/metadata/rslp/model/

[DCAM]  Powell, Andy, Mikael Nilsson, Ambjörn Naeve, Pete Johnston. DCMI Abstract Model
http://dublincore.org/documents/abstract-model/