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População de dados no esquema da tabela Web extraída

População de dados no esquema da tabela Web extraída

Kamran Shaukat / Nayyer Masood / Sundas Mehreen Fatima Haider

42,60 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Informática: cuestiones generales
ISBN:
9786207668069
42,60 €
IVA incluido
Disponible

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Sobre IBD

Os dados tabulares são uma fonte de informação disponível na Web. Começámos a trabalhar na recolha de tabelas HTML retiradas da Web. Em primeiro lugar, serão identificadas tabelas de boa qualidade e, em seguida, será efectuada a correspondência de esquemas. A correspondência de esquemas identifica o número de correspondências que determinam os elementos semelhantes de dois esquemas diferentes. As colunas e os valores dos dados são comparados um após o outro para fazer corresponder o esquema. Durante a pesquisa de dados tabulares na Web, o motor de pesquisa pode devolver o URL em vez de devolver os dados tabulares, o que constitui o principal problema. Por isso, estamos a trabalhar nesta questão: extraímos dados de páginas Web tabulares e extraímos o seu esquema e depois fizemos a correspondência do esquema identificando a correspondência de elementos semelhantes através de uma técnica baseada em corpus. Após a correspondência do esquema, preenchemos os dados das páginas HTML juntando as tabelas relacionadas numa tabela HTML, o que é mais adequado e útil para os utilizadores.

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Otros libros del autor

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