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The Acquisition of Defaults in Lexical Semantic Representations

Paul Buitelaar
In: Workshop on Lexical Semantic Systems (WLSS '98), April 6-7. Workshop on Lexical Semantic Systems (WLSS), 1998.


The paper defends the notion that semantic tagging should be viewed as more than disambiguation between senses. Instead, semantic tagging should be a first step in the interpretation process by assigning each lexical item a representation of all of its systematically related senses, from which further semantic processing steps can derive discourse dependent interpretations. This leads to a new type of semantic lexicon (CoreLex ) that supports underspecified semantic tagging through a design based on systematic polysemous classes and a class-based acquisition of lexical knowledge for specific domains.

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