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ТЕОРЕТИЧЕСКИЕ ВОПРОСЫ СОПОСТАВИТЕЛЬНОГО ИЗУЧЕНИЯ ТИПОЛОГИИ ВИДОВРЕМЕННЫХ СИСТЕМ
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Кузнецова, Лилия; Кузнецова, Л.. - : Государственное образовательное учреждение высшего профессионального образования Южно-Уральский государственный университет, 2008
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Західне Полісся як регіон активної українсько-польської міжмовної взаємодії ; Western Polissia as a Region of Active Ukrainian-Polish Interaction
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Identification in the limit of substitutable contextfree languages
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In: http://jmlr.csail.mit.edu/papers/volume8/clark07a/clark07a.pdf (2005)
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Abstract:
This paper formalises the idea of substitutability introduced by Zellig Harris in the 1950s and makes it the basis for a learning algorithm from positive data only for a subclass of context-free languages. We show that there is a polynomial characteristic set, and thus prove polynomial identification in the limit of this class. We discuss the relationship of this class of languages to other common classes discussed in grammatical inference. It transpires that it is not necessary to identify constituents in order to learn a context-free language—it is sufficient to identify the syntactic congruence, and the operations of the syntactic monoid can be converted into a context-free grammar. We also discuss modifications to the algorithm that produces a reduction system rather than a context-free grammar, that will be much more compact. We discuss the relationship to Angluin’s notion of reversibility for regular languages. We also demonstrate that an implementation of this algorithm is capable of learning a classic example of structure dependent syntax in English: this constitutes a refutation of an argument that has been used in support of nativist theories of language.
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Keyword:
context-free languages; grammatical inference; positive data only; reduction system
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URL: http://jmlr.csail.mit.edu/papers/volume8/clark07a/clark07a.pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.87.8991
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Will Taba survive? A 'stressed' language from eastern Indonesia
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Three myths in modern Pāṇinian studies ; Three myths in modern Pāṇinian studies: Review article of George Cardona: Recent Research in Pāṇinian Studies, Delhi: Motilal Banarsidass, 1999.
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In: ISSN: 0004-4717 ; Asiatische Studien/Etudes Asiatiques ; https://halshs.archives-ouvertes.fr/halshs-00832026 ; Asiatische Studien/Etudes Asiatiques, W. de Gruyter, 2003, 57 (1), pp.121-179 (2003)
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