![]() Scoping on names provides a way to organise the various names given to a particular topic by different sources. Features such as subject identifiers ( URIs given to topics) and PSIs ( published subject indicators) are used to control merging between differing taxonomies. Furthermore, because ontologies are topic maps themselves, they can also be merged thus allowing for the automated integration of information from diverse sources into a coherent new topic map. ![]() Topic maps explicitly support the concept of merging of identity between multiple topics or topic maps. The definitions of allowed types is known as the ontology of the topic map. Topics, associations, and occurrences can all be typed, where the types must be defined by the one or more creators of the topic map(s). Topic maps are a form of semantic web technology similar to RDF. Topic maps are similar to concept maps and mind maps in many respects, though only topic maps are ISO standards. occurrences, representing information resources relevant to a particular topic. ![]()
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