Minimum Description Length and Compositionality

نویسنده

  • Wlodek Zadrozny
چکیده

In [12] we have shown that the standard de nition of compositionality is formally vacuous; that is, any semantics can be easily encoded as a compositional semantics. We have also shown that when compositional semantics is required to be "systematic", it is possible to introduce a non-vacuous concept of compositionality. However, a technical de nition of systematicity was not given in that paper; only examples of systematic and non-systematic semantics were presented. As a result, although our paper claried the concept of compositionality, it did not solve the problem of the systematic assignment of meanings. In other words, we have shown that the concept of compositionality is vacuous, but we have not replaced it with a better de nition; a de nition that would both be mathematically correct and would satisfy the common intuitions that there are parts of grammars which seem to have compositional semantics, and others, like idioms, that do not. We present such a non-vacuous de nition of compositionality in this chapter. Compositionality has been de ned as the property that the meaning of a whole is a function of the meaning of its parts (cf. e.g. [6], pp.24-25). A slightly less general de nition, e.g. [8], postulates the existence of a homomorphism from syntax to se-

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عنوان ژورنال:
  • CoRR

دوره cs.CL/0001002  شماره 

صفحات  -

تاریخ انتشار 2000