18.104.22.168 Classification domain elements
The classification domain elements are used to identify
the subject matter of content that is referenced in a map. These subjects
must be subjects defined in a subject scheme map. In particular, this
allows an author to classify content in new subject categories that
are not bound to existing metadata attributes.
- 22.214.171.124.1 subjectref
The <subjectref> element identifies a subject to classify content. The <subjectref> can identify the subject with a keyref attribute (if the scheme has a <subjectdef> with a keys attribute that assigns a key to the subject) or an href attribute (if the scheme is not available and a topic exists that defines the subject).
- 126.96.36.199.2 topicapply
The <topicapply> element identifies subjects that qualify the content for filtering or flagging but not retrieval. The <topicapply> element can identify a single subject. Additional subjects can be specified by nested <subjectref> elements.
- 188.8.131.52.3 topicsubject
The <topicsubject> element identifies the subjects covered by a topic or map.
- 184.108.40.206.4 topicSubjectTable
The <topicSubjectTable> element is a specialized relationship table which allows a map to use relationship tables to associate topics with subjects. Tools (such as search tools) may use these classifications to retrieve content that is relative to a specific subject or combination of subjects.
- 220.127.116.11.5 topicSubjectHeader
The <topicSubjectHeader> element specifies constraints on the subjects used in classifications.
- 18.104.22.168.6 topicSubjectRow
The <topicSubjectRow> is a grouping element that contains one row of a subject table. It contains topic references in the first column, and relates those references to the subjects in each following column.
- 22.214.171.124.7 topicCell
The <topicCell> element contains topics that will be associated with subjects in each following column of the current row in the <topicSubjectTable>.
- 126.96.36.199.8 subjectCell
The <subjectCell> element contains subjects that are associated with topics in the first column of the current row in the <topicSubjectTable>. The subjects themselves have no defined relationship across columns, other than the fact that they apply to the same content.
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