Japanese Sentence Analysis System Essay - Evaluation Of Dictionary Derived From Real Text Data

In this paper, we report on an experimental system of Japanese sentence analysis, called ESSAY, Many Japanese sentence analysis systems, not only Phrase structure analysis systems but also Ke~:a,rt-D~:e anelysis systems , are usually based on rules in eTntactic level or Case grammatical restriction. Comparing with such systems, our system is unique in the dictionary. In this dictionary, function of the language elements, such as words or auxiliary morpheme, are dbscr~bed. And these lexlcal entries are automatically constructed from analysis of real text data~ Xn order to evaluate the usefulness of such dictionary, we are accumulating Japanese sentences data, and applTJ-~ statistical and structural analysis method to this data. Xn the following we concentrate upon next 2 points. (1) construction of dictionary (2) overview of ESSAY (1) Construction of dictionary As the initial data we entered about 2000 sentences of elementary school text in Kana-letter (Japanese syllabary) not in KanJi (Chinese character). Japanese is an agF~utinative language, so in analyzing sentences they are u~ually separated into number of parts-259