Chapter 5

Disambiguation in a Lexically Based Sentence Understanding System

Domenico Parisi and Cristiano Castelfranchi,     Istituto di Psicologia, C.N.R., Rome

Publisher Summary

This chapter discusses a number of problems of disambiguation within a lexically-based model of sentence understanding system. Syntactic knowledge contributes to disambiguation through the disambiguation procedures. These procedures are carried by the lexical entries and applied to the preceding context and through the four well-formed principles that signal failures in syntactic garden path sentences. Encyclopedic knowledge operates through spreading activation and shortest path finding to select contextually appropriate readings of ambiguous words and to solve ...

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