Cartografia léxico-gramatical das orações relacionais em textos jornalísticos brasileiros
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Data
2026-02-05
Autores
Santana, Jhonathan Leno Reis França
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Universidade Federal do Espírito Santo
Resumo
This dissertation models the relational system of Brazilian Portuguese as instantiated in written journalistic discourse within the framework of Systemic Functional Linguistics (SFL). Addressing the lack of an explicit system network for relational clauses in Brazilian Portuguese, the study proposes a probabilistically grounded model that captures language-specific patterns of choice rather than a definitive system. The analysis draws on a corpus of 2,874 relational clauses from news reports, opinion articles, and interviews, annotated at semantic, lexicogrammatical, and textual levels, and interpreted through quantitative procedures inspired by probabilistic systemic grammar. The results show that relational clauses form a structured yet flexible probabilistic network, with a strong predominance of intensive clauses, followed by circumstantial and possessive types, and highly predictable realization of the Process, primarily by the verbs ser, estar, and ter. Participant configurations exhibit systematic asymmetries, and possessive clauses strongly favor verbal realization of possession, predominantly abstract. The study proposes the Probabilistic Relational Compactness Index as a metric integrating structural cost and informational density, demonstrating that variation is constitutive of the relational meaning potential of Brazilian Portuguese and providing a foundation for typological generalization and future computational applications in corpus analysis and automatic text generation
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Linguística sistêmico-funcional , Processos relacionais , Gramática probabilística , Modelagem sistêmica , Português brasileiro , Systemic Functional Linguistics , Relational Clauses , Probabilistic Systemic Grammar , System Network Modeling , Brazilian Portuguese