Topic map
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According to the definition by TopicMaps.Org Specification in
XML Topic Maps (XTM) 1.0 http://www.topicmaps.org/xtm/, a topic map is either
- A collection of topics, associations, and scopes that may exist in one of two forms:
- a serialized interchange format (e.g. as a topic map document expressed in XTM syntax), or
- some application-internal form, as constrained by the XTM Processing Requirements defined in Annex F.
or
- The document element (<topicMap>) of a topic map document expressed using XTM syntax.