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IDENTIFICACION DE CLASES RITMICAS DE LENGUAJES: MODELAMIENTO DE CADENAS SIMBOLICAS DE LA SONORIDAD USANDO ARBOLES DE PROBABILIDAD
IDENTIFYING RHYTHMIC CLASSES OF LANGUAGES: MODELING SYMBOLICS CHAINS OF THE SONORITY USING TREES OF PROBABILITY
IDENTIFICAÇÃO DE CLASSES RÍTMICAS DE LÍNGUA: MODELAGEM DE CADEIAS CATEGORIZADAS DA SONORIDADE USANDO ÁRVORES PROBABILÍSTICAS
Keywords:
sonoridad, cadenas cuantilizadas de empate, cadenas de Markov de longitud variable (es)Sonority, Tied quantized chains, Variable length Markov chain (en)
sonoridade, cadeias categorizadas ligadas, cadeias de Markov de alcance variável (pt)
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1Universidade Federal do Ceará, Departamento de Estatística e Matemática Aplicada, Fortaleza, Brasil. Professor adjunto I. Email: juvencio@ufc.br
Recentemente, vários autores sugerem métodos para discriminar classes rítmicas de língua (Ramus et al. 1999, Duarte et al. 2001, Galves et al. 2002). Baseado no conceito de sonoridade, definido em Galves et al. (2002) e Cassandro et al. (2007), é proposto um modelo paramétrico para a família de processos estocásticos dos tempos de evolução da sonoridade para diferentes línguas, denotada por família de cadeias categorizadas ligadas. O objetivo do presente trabalho é modelar, para as diferentes línguas, as correspondentes cadeias categorizadas via cadeias de Markov de alcance variável (VLMC) e avaliar a conjectura de que estas resumem toda informação relevante dada pela sonoridade.
Palavras chave: sonoridade, cadeias categorizadas ligadas, cadeias de Markov de alcance variável.
Recently, several authors suggest methods to discriminate rhythmic classes of language (Ramus et al. 1999, Duarte et al. 2001, Galves et al. 2002). Based on sonority concept, defined in Galves et al. (2002), and Cassandro et al. (2007), a parametric model for the family of stochastic processes of sonority time evolution for different languages is proposed, denoted by family of tied quantized chains. The objective of this paper is to model, for the different languages, the correspondent quantized chains using Variable Length Markov Chains (VLMC) and evaluate the conjectures that summarize all relevant information given by the sonority.
Key words: Sonority, Tied quantized chains, Variable length Markov chain.
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Referências
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Este artículo se puede citar en LaTeX utilizando la siguiente referencia bibliográfica de BibTeX:
@ARTICLE{RCEv31n2a07,
AUTHOR = {Nobre, Juvêncio},
TITLE = {{Identificação de classes rítmicas de língua: modelagem de cadeias categorizadas da sonoridade usando árvores probabilísticas}},
JOURNAL = {Revista Colombiana de Estadística},
YEAR = {2008},
volume = {31},
number = {2},
pages = {229-240}
}
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