Catalogue of Artificial Intelligence Techniques


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Lexical Access

Aliases: Dictionary Lookup

Categories: Natural Language , Speech

Author(s): Henry Thompson

There are various techniques for accessing lexical information ranging from the sensible, e.g., the use of a tree structure on a letter-per-branch basis, to the ridiculous, e.g., linear search. The larger the lexicon the more important it becomes to relate word frequency to the access method. In English, for example, a mere 100 word types account for over 50 It also becomes more important to take a general approach to the problems of inflected forms, e.g., past tenses, plurals, and spelling rules or Morphographemics.



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