Abstract
In categorial systems with a fixed structural component, the learning problem comes down to finding the solution for a set of type-assignment equations. A hard-wired structural component is problematic if one want to address issues of structural variation. Our starting point is a type-logical architecture with separate modules for the logical and the structural components of the computational system. The logical component expresses invariants of grammatical composition; the structural component captures variation in the realization of the correspondence between form and meaning. Learning in this setting involves finding the solution to both the type-assignment equations and the structural equations of the language at hand. We develop a view on these two subtasks which pictures learning as a process moving through a two-stage cycle. In the first phase of the cycle, type assignments are computed statically from structures. In the second phase, the lexicon is enhanced with facilities for structural reasoning. These make it possible to dynamically relate structures during on-line computation, or to establish off-line lexical generalizations. We report on the initial experiments in [15] to apply this method in the context of the Spoken Dutch Corpus.
For the general type-logical background, we refer to [12]; §1 has a brief recap of some keyfeat ures.
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Moortgat, M. (2001). Structural Equations in Language Learning. In: de Groote, P., Morrill, G., Retoré, C. (eds) Logical Aspects of Computational Linguistics. LACL 2001. Lecture Notes in Computer Science(), vol 2099. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48199-0_1
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DOI: https://doi.org/10.1007/3-540-48199-0_1
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