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Open AccessDissertation10.47749/t/unicamp.2004.366812

Extração automatica de palavras-chave na lingua portuguesa aplicada a dissertações e teses da area das engenharias

Maria Abadia Lacerda Dias-2004-10-28
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TL;DRAbstract

The goal of this dissertation is to adapt an automatic extraction algorithm of keywords for the Portuguese language.Keywords give an adequate description of a document's contents.Such description helps future readers to decide whether the document is relevant or not for them.The keywords have also other applications, because they summarize documents in a brief way.Therefore, they can be used as an efficient measure of similarity between documents, making possible to organize them in groups when measuring the overlap between the keywords they are associated to.This adaptation consists on the utilization of a stemming algorithm for words of the Portuguese language, which was improved in this study, and a list of stopwords of Portuguese language, also presented in this work.

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The goal of this dissertation is to adapt an automatic extraction algorithm of keywords for the Portuguese language.Keywords give an adequate description of a document's contents.Such description helps future readers to decide whether the document is relevant or not for them.The keywords have also other applications, because they summarize documents in a brief way.Therefore, they can be used as an efficient measure of similarity between documents, making possible to organize them in groups when measuring the overlap between the keywords they are associated to.This adaptation consists on the utilization of a stemming algorithm for words of the Portuguese language, which was improved in this study, and a list of stopwords of Portuguese language, also presented in this work.

Keywords

PortugueseComputer scienceLingua francaNatural language processingHumanitiesArtificial intelligenceLinguisticsPhilosophy

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