Uma Abordagem de Anotação Semântica Automática Direcionada a Sistemas de Perguntas e Respostas

  • Laura L. Dias Universidade Federal de Ouro Preto (UFOP)
  • Luciano V. B. Espiridião Universidade Federal de Ouro Preto (UFOP)
  • Anderson A. Ferreira Universidade Federal de Ouro Preto (UFOP)

Resumo


O crescimento acelerado dos repositórios de conteúdo tem ocasionado à necessidade de melhores mecanismos de indexação e busca, incluindo sistemas de perguntas e respostas. Os usuários ainda enfrentam dificuldades para navegar no grande volume de informações na Web. No entanto, estudos sobre anotação semântica automática permitem a identificação de conteúdos nos repositórios e auxiliam diversos sistemas. Este trabalho propõe um método de processamento de perguntas, por meio da BERT, para a realização da tarefa de anotação semântica, agregando recursos da DBpedia como contexto às perguntas. Os resultados experimentais mostram avanços de até 13% quando comparados ao baseline.

Palavras-chave: Processamento de Linguagem Natural, Recuperação de Informação, RDF e Dados Ligados, Processamento de Perguntas, BERT

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Publicado
04/10/2021
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DIAS, Laura L.; ESPIRIDIÃO, Luciano V. B.; FERREIRA, Anderson A.. Uma Abordagem de Anotação Semântica Automática Direcionada a Sistemas de Perguntas e Respostas. In: SIMPÓSIO BRASILEIRO DE BANCO DE DADOS (SBBD), 36. , 2021, Rio de Janeiro. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2021 . p. 145-156. ISSN 2763-8979. DOI: https://doi.org/10.5753/sbbd.2021.17873.