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Natural Language Processing
Pages 4 (1004 words)
One of the most difficult problems in Artificial Intelligence (AI) is to construct a natural language processing system which can interact with users through a natural language dialogue. The problem is difficult because, as the Speech Act theory points out, there are so many ways by which a user can phrase his/her utterances to such a system.
949). Speech Act theory of Aristotle and Austin (1962) particularly is one that proposes relevant factors that limit computers' natural language processing capacity. They describe 'speech acts' as 'utterances' that a speaker pronounces as tools to interact in real-life situations where knowledge of the language and the appropriate contextual use of the speech acts within a given culture are required. 'Intentionality' as Franz Brentano suggests in his publication Psychology from an Empirical Standpoint (1973, first published 1874), is one significant feature distinguishing the psychological from the physical, mental acts from the external world, of the human minds which is clearly deficient in a machine. Despite the many intricately designed softwares using speech corpora data to create a controlled language to be used for a speech recognition system, identifying the words and phrase structures that regular people may use when interacting with the system, natural language processing has still not reached the desired results that computer linguistics are seeking to achieve.
It is mainly due to the inability of a machine to have a 'theory of mind' like humans bearing intentions and past experiences for future exchanges to be able to perceive the psychic tone, connotation in the dialogue of ...
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