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Optimality Theory and Human Sentence Processing: Towards a Cross-Modular Analysis of Coordination
( John C. J. Hoeks ),( Petra Hendriks ) 서울대학교 인지과학연구소 2011 Journal of Cognitive Science Vol.12 No.1
In this paper we propose a model of human sentence processing that is based on Optimality Theory (OT). In contrast to most other OT approaches to language processing, we use constraints from OT semantics rather than OT syntax to address on-line comprehension. We illustrate the workings of our model by investigating the processing of coordinated structures. The psycholinguistic evidence that is currently available suggests that the on-line comprehension of coordination is influenced by constraints from many different information sources: pragmatics, discourse semantics, lexical semantics, and syntax. The model we propose formalizes this cross-modular interaction of constraints, and yields concrete predictions with respect to both intermediate parsing preferences and final interpretations. Our ultimate aim is to develop a model of processing performance is that at the same time a fully functional model of linguistic competence.
On Compositionality and Bidirectional Optimization
Helen De Hoop,Petra Hendriks,Reinhard Blunter 서울대학교 인지과학연구소 2007 Journal of Cognitive Science Vol.8 No.2
In this paper we revisit the semantic principle of compositionality and argue that compositionality is bidirectional optimization. Underspecification approaches to natural language interpretation generally start with an underspecified or weak meaning, which is strengthened by contextual information. By contrast, the bidirectional optimization approach we advocate proceeds from the strongest possible meaning. This meaning can be changed or weakened by contextual information. Under this approach, the meaning of an utterance is composed in a functional rather than a concatenative way, while contextual sources of information play a major role. Yet, because the context of any utterance is in principle the same for the speaker and the hearer, composition and decomposition proceed hand in hand. Hence, bidirectional optimization ultimately guarantees (functional) compositionality.