ECON 103 (PSY105)

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14.2 Partial parsing and LTAG A chunk based partial parser is necessitated from more requirements in un- restricted dialog systems. Due to inherent characteristics of speech, the grammatical coverage of these systems is seldom complete. In general full parsing requires, enormous amount of semantic knowledge (unrestricted do- main dialogs are often ungrammatical and semantic knowledge sources are not sufficiently viable for guiding the parser). An other advantage of the chunk based parsing is t...