Abstract
The past decade of research in Natural Language Processing has universally recognized that, since natural language input is almost always ambiguous with respect to its pragmatic implications, its syntactic parse, and even its lexical analysis (i.e., choice of correct word-sense for an ambiguous word), processing natural language input requires decisions about word meanings, syntactic structure, and pragmatic inferences. The lexical, syntactic, and pragmatic levels of inferencing are not as disparate as they have often been treated in both psychological and artificial intelligence research. In fact, these three levels of analysis interact to form a joint interpretation of text.
ATLAST (A Three-level Language Analysis SysTem) is an implemented integration of human language understanding at the lexical, the syntactic, and the pragmatic levels. For psychological validity, ATLAST is based on results of experiments with human subjects. The ATLAST model uses a new architecture which was developed to incorporate three features: spreading activation memory, two-stage syntax, and parallel processing of syntax and semantics. It is also a new framework within which to interpret and tackle unsolved problems through implementation and experimentation.
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Granger, R.H., Eiselt, K.P., Holbrook, J.K. (1985). ATLAST: A Three-Level Language Analysis SysTem. In: Laubsch, J. (eds) GWAI-84. Informatik Fachberichte, vol 103. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-46546-8_6
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DOI: https://doi.org/10.1007/978-3-642-46546-8_6
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