Optimality theory

In linguistics, optimality theory (frequently abbreviated OT) is a linguistic model proposing that the observed forms of language arise from the optimal satisfaction of conflicting constraints. OT differs from other approaches to phonological analysis, which typically use rules rather than constraints. However, phonological models of representation, such as autosegmental phonology, prosodic phonology, and linear phonology (SPE), are equally compatible with rule-based and constraint-based models. OT views grammars as systems that provide mappings from inputs to outputs; typically, the inputs are conceived of as underlying representations, and the outputs as their surface realizations. It is an approach within the larger framework of generative grammar.

In linguistics, optimality theory has its origin in a talk given by Alan Prince and Paul Smolensky in 1991[1] which was later developed in a book manuscript by the same authors in 1993.[2]

  1. ^ "Optimality". Proceedings of the talk given at Arizona Phonology Conference, University of Arizona, Tucson, Arizona.
  2. ^ Prince, Alan, and Smolensky, Paul (1993) "Optimality Theory: Constraint interaction in generative grammar." Technical Report CU-CS-696-93, Department of Computer Science, University of Colorado at Boulder.

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