Modeling Ungrammaticality: A Self-Organizing Model of Islands
- Sandra Villata, Department of Linguistics, University of Connecticut, Storrs, Connecticut, United States
- Jon Sprouse, Department of Linguistics, University of Connecticut, Storrs, Connecticut, United States
- Whitney Tabor, Department of Psychology, University of Connecticut, Storrs, Connecticut, United States
AbstractFormal theories of grammar and traditional parsing models, insofar as they presuppose a categorical notion of grammar, face the challenge of accounting for gradient judgments of acceptability. This challenge is traditionally met by explaining gradient effects in terms of extra-grammatical factors, positing a purely categorical core for the language system. We present a new way of accounting for gradience in a self-organized sentence processing (SOSP) model, which generates structures with a continuous range of grammaticality values. We focus on islands, a family of syntactic domains out of which movement is generally prohibited. Islands are interesting because, although linguistic theories treat them as fully ungrammatical and uninterpretable, experimental studies have revealed gradient patterns of acceptability and evidence for their interpretability. We report simulations in which SOSP largely respects island constraints, but in certain cases, consistent with empirical data, coerces elements that block dependencies into elements that allow them.
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