Um estudo bibliográfico sobre ligação de entidades

Autores

  • Eduardo Habib Bechelane Maia Centro Federal de Educação Tecnológica de Minas Gerais (CEFET-MG)
  • Marcello Peixoto Bax Universidade Federal de Minas Gerais (UFMG).

DOI:

https://doi.org/10.5433/1981-8920.2016v21n2p245

Palavras-chave:

Processamento de Linguagem Natural, Ligação de Entidades, Revisão de Literatura

Resumo

Introdução: Ligação de Entidades (LE) é um importante tópico de pesquisa que tem atraído recentemente muita atenção de pesquisadores. Na tarefa de LE, menções textuais encontradas em linguagem natural são ligadas à sua entrada correspondente em uma base de conhecimento. Essa tarefa é desafiadora devido a problemas como variação de nomes, ambiguidade das entidades ou porque a entidade mencionada pode não existir na base de conhecimento. Objetivo: Apresentar os problemas relacionados à LE, suas aplicações típicas, bem como sintetizar suas principais abordagens no contexto da ligação de conceitos. Metodologia: Pesquisa de levantamento junto à literatura vigente, para descrição detalhada do estado da arte das abordagens em LE, bem como para a sistematização e categorização das abordagens identificadas. Resultados: A maior parte dos trabalhos propostos para a LE divide esse processo em duas etapas: reconhecimento e ligação de entidades. No entanto, novas propostas têm unificado estas etapas em um único processo. Conclusão: Apesar de mais complexas, as novas abordagens em LE permitem capturar a dependência entre as decisões de Ligação e de Reconhecimento de Entidades minimizando erros e inconsistências. As avaliações deveriam ocorrer em bases de dados unificadas, considerando a dificuldade de comparar resultados de bases de dados distintas devido à influência que estas exercem nos resultados obtidos.

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Biografia do Autor

Eduardo Habib Bechelane Maia, Centro Federal de Educação Tecnológica de Minas Gerais (CEFET-MG)

Doutorando em Biotecnologia na Universidade Federal de São João Del Rei. Atua no Departamento de Informática, Gestão e Design – Centro Federal de Educação Tecnológica de Minas Gerais (CEFET-MG) Divinópolis – MG – Brazil.

Marcello Peixoto Bax, Universidade Federal de Minas Gerais (UFMG).

Doutor em Informática, Análise de Sistemas e Tratamento de Sinal pela Universidade de Montpellier II, França. Professor na Escola de Ciência da Informação – ECI – Universidade Federal de Minas Gerais (UFMG).

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Maia, E. H. B., & Bax, M. P. (2016). Um estudo bibliográfico sobre ligação de entidades. Informação & Informação, 21(2), 245–291. https://doi.org/10.5433/1981-8920.2016v21n2p245

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