Semi-productive Polysemy and Sense Extension

نویسندگان

  • Ann A. Copestake
  • Ted Briscoe
چکیده

In this paper we discuss various aspects of systematic or conventional polysemy and their formal treatment within an implemented constraint based approach to linguistic representation. We distinguish between two classes of systematic polysemy: constructional polysemy, where a single sense assigned to a lexical entry is contextually specialised, and sense extension, which predictably relates two or more senses. Formally the first case is treated as instantiation of an underspecified lexical entry and the second by use of lexical rules. The problems of distinguishing between these two classes are discussed in detail. We illustrate how lexical rules can be used both to relate fully conventionalised senses and also applied productively to recognise novel usages and how this process can be controlled to account for semi-productivity by utilising probabilities.

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عنوان ژورنال:
  • J. Semantics

دوره 12  شماره 

صفحات  -

تاریخ انتشار 1995