Detectando la mentira en lenguaje escrito

• Autores: Ángela Almela Sánchez-Lafuente, Rafael Valencia García , Pascual Cantos Gómez
• Localización: Procesamiento del lenguaje natural, ISSN 1135-5948, Nº. 48, 2012, págs. 65-72
• Idioma: español
• Títulos paralelos:
  • Detecting deception in written language
• Enlaces
  • Texto completo
• Dialnet Métricas: 3 Citas
• Resumen
  • español

    La mentira en el lenguaje se ha estudiado desde la perspectiva de varias disciplinas, siendo la más reciente la minería de opiniones. En este contexto, el presente estudio persigue explorar los rasgos sintomáticos de la mentira en lengua escrita en español, lo cual no ha sido aún investigado. Para ello, hemos desarrollado un marco de trabajo basado en un clasificador de máquinas de soporte vectorial (SVM) aplicado a un corpus ad hoc de opiniones. Hemos usado las categorías psicolingüísticas definidas en LIWC (Pennebaker, Francis y Booth, 2001) a través de sus cuatro dimensiones fundamentales para entrenar el algoritmo. Los resultados del experimento muestran que es posible separar los textos en lengua española de acuerdo con su condición de verdad, siendo las dos primeras dimensiones, procesos lingüísticos y psicológicos, las más relevantes para la consecución de tal objetivo.

  • English

    Deception in language has been studied from the perspective of several disciplines, being the most recent one opinion mining. Within this framework, the present study attempts to explore deception cues in written Spanish, which, to the best of our knowledge, has not been investigated yet. For our purposes, we have developed a framework based on a classifier using a Support Vector Machine (SVM) in order to detect deception in an ad hoc opinion corpus. We have used the psycholinguistic categories defined in LIWC (Pennebaker, Francis and Booth, 2001) through its four broad dimensions for the subsequent training of the abovementioned classifier. The findings reveal that truthful and deceptive texts in Spanish are indeed separable, being the two first dimensions, linguistic and psychological processes, the most relevant ones for fulfilling our aim.

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