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A split-gesture, competitive, coupled oscillator model of syllable structure predicts the emergence of edge gemination and degemination
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In: Proceedings of the Society for Computation in Linguistics (2022)
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Linguistic Complexity and Planning Effects on Word Duration in Hindi Read Aloud Speech
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In: Proceedings of the Society for Computation in Linguistics (2022)
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MaxEnt Learners are Biased Against Giving Probability to Harmonically Bounded Candidates
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In: Proceedings of the Society for Computation in Linguistics (2022)
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Representing Multiple Dependencies in Prosodic Structures
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In: Proceedings of the Society for Computation in Linguistics (2022)
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Consonant harmony, disharmony, memory and time scales
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In: Proceedings of the Society for Computation in Linguistics (2021)
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Learnability of indexed constraint analyses of phonological opacity
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In: Proceedings of the Society for Computation in Linguistics (2021)
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Information flow, artificial phonology and typology
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In: Proceedings of the Society for Computation in Linguistics (2021)
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Learning Interactions of Local and Non-Local Phonotactic Constraints from Positive Input
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In: Proceedings of the Society for Computation in Linguistics (2021)
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LEARNING PHONOLOGY WITH SEQUENCE-TO-SEQUENCE NEURAL NETWORKS
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In: Doctoral Dissertations (2021)
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PMKNS for PIE: Parsed Morphological KATR Networks of Sanskrit for Proto-Indo-European
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In: Theses and Dissertations--Linguistics (2020)
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Tier-Based Strictly Local Stringsets: Perspectives from Model and Automata Theory
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In: Proceedings of the Society for Computation in Linguistics (2020)
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Emergent Typological Effects of Agent-Based Learning Models in Maximum Entropy Grammar
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In: Doctoral Dissertations (2020)
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Abstract:
This dissertation shows how a theory of grammatical representations and a theory of learning can be combined to generate gradient typological predictions in phonology, predicting not only which patterns are expected to exist, but also their relative frequencies: patterns which are learned more easily are predicted to be more typologically frequent than those which are more difficult. In Chapter 1 I motivate and describe the specific implementation of this methodology in this dissertation. Maximum Entropy grammar (Goldwater & Johnson 2003) is combined with two agent-based learning models, the iterated and the interactive learning model, each of which mimics a type of learning dynamic observed in natural language acquisition. In Chapter 2 I illustrate how this system works using a simplified, abstract example typology, and show how the models generate a bias away from patterns which rely on cumulative constraint interaction ("gang effects"), and a bias away from variable patterns. Both of these biases match observed trends in natural language typology and psycholinguistic experiments. Chapter 3 further explores the models' bias away from cumulative constraint interaction using an empirical test case: the typology of possible patterns of contrast between two fricatives. This typology yields five possible patterns, the rarest of which is the result of a gang effect. The results of simulations performed with both models produce a bias against the gang effect pattern. Chapter 4 further explores the models' bias away from variation using evidence from artificial grammar learning experiments, in which human participants show a bias away from variable patterns (e.g. Smith & Wonnacott 2010). This test case was chosen additionally to disambiguate between variable behavior within a lexical item (variation), and variable behavior across lexical items (exceptionality). The results of simulations performed with both learning models are consistent with the observed bias away from variable patterns in humans. The results of the iterated and interactive learning models presented in this dissertation provide support for the use of this methodology in investigating the typological predictions of linguistic theories of grammar and learning, as well as in addressing broader questions regarding the source of gradient typological trends, and whether certain properties of natural language must be innately specified, or might emerge through other means.
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Keyword:
Computational Linguistics; linguistics; Phonetics and Phonology; phonology; typology
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URL: https://scholarworks.umass.edu/dissertations_2/2028 https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=3111&context=dissertations_2
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Extending the Autosegmental Input Strictly Local Framework: Metrical Dominance and Floating Tones
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In: Proceedings of the Society for Computation in Linguistics (2020)
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Frequency Matching Behavior in On-line MaxEnt Learners
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In: Proceedings of the Society for Computation in Linguistics (2020)
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The stability of segmental properties across genre and corpus types in low-resource languages
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In: Proceedings of the Society for Computation in Linguistics (2020)
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Modelling Non-local Maps as Strictly Piecewise Functions
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In: Proceedings of the Society for Computation in Linguistics (2020)
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Multi-Input Strict Local Functions for Tonal Phonology
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In: Proceedings of the Society for Computation in Linguistics (2020)
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Questioning to Resolve Transduction Problems
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In: Proceedings of the Society for Computation in Linguistics (2020)
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Data for: Word frequency effects in sound change as a consequence of perceptual asymmetries: An exemplar-based model ...
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Data for: Word frequency effects in sound change as a consequence of perceptual asymmetries: An exemplar-based model ...
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