William R. Keller
A lexicon handler for the ProGram Grammar Development System is described. Redundancy in the specification of word entries is avoided by considering the lexicon to consist of two parts: a permanent lexicon or dictionary, and a morphological component. The user may record base forms and irregular word form in the permanent lexicon in a succinct and uniform way. The morphological component is further subdivided to permit word formation rules and feature conventions to be stated. These rules and conventions are useful in capturing generalisations about the processes of inflectional morphology. A version of the lexicon handler has been implemented in the programming language Prolog. The program performs two distinct tasks: the interface between the lexicon and the ProGram parser. Both aspects of program operation are explained by reference to examples.
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