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The area of lexicon structure deals with the organisation of
information in lexica. Models for lexical information, and types of lexical
information, are dealt with in the preceding sections. Terminology varies
considerably in this area. The structure of a spoken language lexicon
may be seen from the following points of view:
- Lexical formalisms, lexicon representation languages:
- Representation conventions of various
types (symbolic notations, programming languages, database languages, logical
formalisms, purpose-designed knowledge representation languages), which are suitable for formulating lexical models.
- Lexicon architecture:
- The choice of basic objects and properties
in the lexicon, and the structure of the lexicon as a whole, such as a table
of items, a trie (decision tree), an inheritance hierarchy, a semantic
network, a database.
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