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Browsing Articles (Departament de Comunicació) by Author "Vàllez Letrado, Mari"

Browsing Articles (Departament de Comunicació) by Author "Vàllez Letrado, Mari"

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  • A semi-automatic indexing system based on embedded information in HTML documents
    Vàllez Letrado, Mari; Pedraza, Rafael; Codina, Lluís; Blanco, Saúl; Rovira, Cristòfol (Emerald, 2015)
    Purpose: The purpose of this paper is to describe and evaluate the tool DigiDoc MetaEdit which allows the semi-automatic indexing of HTML documents. The tool works by identifying and suggesting keywords from a thesaurus ...
  • Analysis and evaluation of techniques for the extraction of classes in the ontology learning process
    Pedraza, Rafael; Vàllez Letrado, Mari; Codina, Lluís; Rovira, Cristòfol (Springer, 2010)
    This paper analyzes and evaluates, in the context of Ontology learning, some techniques to identify and extract candidate terms to classes of a taxonomy. Besides, this work points out some inconsistencies that may be ...
  • Keyword Research: métodos y herramientas para identificar las palabras clave
    Vàllez Letrado, Mari (Universitat de Barcelona. Facultat de Biblioteconomia i Documentació, 2011)
    Objetivos. Presentar las herramientas llamadas Keyword Research Tools. Se trata de herramientas muy extendidas en los ámbitos del SEO y SEM que ayudan a identificar palabras clave con las cuales posicionar un sitio web. ...
  • Periodismo computacional: evolución, casos y herramientas
    Vàllez Letrado, Mari; Codina, Lluís (EPI (El Profesional de la Información), 2018)
    El periodismo computacional ha irrumpido con fuerza en el intenso panorama de las innovaciones periodísticas, debido a su gran potencial de impacto en las redacciones. Dada la reciente implantación de esta especialidad, ...
  • Updating controlled vocabularies by analysing query logs
    Vàllez Letrado, Mari; Pedraza, Rafael; Codina, Lluís; Blanco, Saúl; Rovira, Cristòfol (Emerald, 2015)
    Purpose: Controlled vocabularies play an important role in information retrieval. Numerous studies have shown that conceptual searches based on vocabularies are more effective than keyword searches, at least in certain ...

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