4.3 Metadata Properties
4.3.2 Metadata meta properties .1 DCTERMS
The meta element property attribute may define any property from DCMI Metadata Terms [DCTERMS] for expressing metadata about the package and its contents.
For more information about these properties and their use, please refer to the
vocabulary.
For specific restrictions and requirements imposed by this specifiction on the language
and modified properties, refer to dc:language and Package Identifier, respectively.
4.3.2.2 Package
Package properties define information about the package and should not be used to annotate other properties.
Package properties must not be attached to other metadata elements and properties using the about attribute. The cardinality property in the following tables refers only to the number of times the property may be included in the metadata section.
The following tables detail the available properties.
page-progression-direction
Description:
The page-progression-direction property indicates the global direction in which the publication content flows.
Allowed
value(s): rtl | ltr
Cardinality: zero or one
ページ送り方向を指定するプロパティが追加
され、縦書きの出版物のための右開きを指定
できるようになっている。
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Example:
<meta property="page-
progression-direction">ltr</meta>
publication-type
Description:
The publication-type
property indicates that the given Publication is of a specialized type (e.g., annotations packaged in EPUB format or a dictionary). This specification does not define values for this property; the development of specialized Publication types, and the assignment of formal identifiers to represent them, will occur independently of this specification.
Allowed
value(s): xsd:string Cardinality: zero or one
Example:
<meta
property="publication-type">dictionary</meta>
source-identifier Description:
The source-identifier property specifies the
identifier of the source publication this EPUB Publication represents.
Allowed
value(s): xsd:string Cardinality: zero or one
Example: <meta
property="source-identifier">urn:isbn:9780375704024</meta>
4.3.2.3 Ancillary
Ancillary properties represent metadata about metadata and are intended to augment metadata defined elsewhere in the package.
Ancillary properties must always be attached to another metadata element or property using the about attribute.
The following tables detail the available properties.
alternate-script
The alternate-script
property provides an alternate expression of
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Description:
the associated property value in a language and script identified by the
xml:lang attribute. The property is typically attached to creator
and title properties for internationalization purposes.
Allowed value(s): xsd:string
Cardinality:
In the metadata section: zero or more
Attached to other metadata: zero or one
Extends: All properties.
Example:
<meta
about="#creator"
property="alternate-script"
xml:lang="ja">村上 春 樹</meta>
display-seq
Description:
The display-seq
property indicates the numeric position in which to display the current property relative to identical metadata properties.
For example, to indicate the order in which to render multiple titles.
Allowed value(s): xsd:unsignedInt
Cardinality:
In the metadata section: zero or more
Attached to other metadata: zero or one
Extends: All properties.
Example:
<meta about="#t2"
property="display-seq">1</meta>
file-as
Description:
The file-as
property provides the normalized form of the associated property for sorting.
Allowed value(s): xsd:string
In the metadata
メタデータが持つタイトルや著者名などの情報
を詳細に記述できるようになっている。この仕
組を利用して、漢字のデータに「読み」を加え
ることも可能である。
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Cardinality:
section: zero or more
Attached to other metadata: zero or one
Extends: All properties.
Example:
<meta
about="#creator"
property="file-as">Murakami, Haruki</meta>
group-position
Description:
The group-position
property indicates the numeric position in which the Publication is ordered relative to other works
belonging to the same group (whether all EPUBs or not).
The group-position
property can be attached to any metadata property that establishes the group (such as a series title) or can be attached to an
isPartOf property [DCTERMS] whose value defines the group.
A Publication can belong to more than one group.
Allowed value(s):
A single
xsd:unsignedInt or series of decimal-separated numbers (e.g., 1 or 2.2.1).
Cardinality:
In the metadata section: zero or more
Attached to other metadata: zero or one
Extends: All properties.
Example:
<meta about="#t3"
property="group-position">2</meta>
meta-auth
The meta-auth
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Description:
property provides the name of a party or authority responsible for an instance of package metadata.
Allowed value(s): xsd:string
Cardinality:
In the metadata section: zero or more
Attached to other metadata: zero or one
Extends: All properties.
Example:
<meta
about="isbn-id"
property="meta-auth" id="meta- authority-01">Metadata Authority Inc.</meta>
role
Description:
The role property describes the nature of work performed by a creator or contributor. For example, that they represent the author or editor of a publication.
Allowed value(s):
It is recommended that values be drawn from MARC Code List for Relators and ONIX 3.0 Code List 17 Issue 79.
Cardinality:
In the metadata section: zero or more
Attached to other metadata:
zero or one
Extends: contributor, creator
Example: <meta about="#creator"
property="role">aut</meta>
scheme
Description:
The scheme property identifies the formal system used to express the value of an identifier or
subject.
Allowed value(s):
It is recommended that values be drawn from recognized scheme lists, such as ONIX 3.0 Code List 27 for subjects. Issue 79.
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In the metadata section: zero or more
Attached to other metadata:
zero or one
Extends: All properties.
Example: <meta about="#pub-id"
property="scheme">uuid</meta>
title-type
Description:
The title-type
property indicates the form or nature of a
title. A set of standard values are defined for this property but no restrictions are imposed on the extension of this list.
Issue 49 Issue 79.
Allowed value(s):
primary | short | long
| sub | series |
collection | edition |
slang
Extends: title,
Cardinality:
In the metadata section: zero or more
Attached to other metadata: zero or one
Example:
<meta about="#title"
property="title-type">primary</meta>
4.3.3 Metadata link properties