Extracción de información de documentos PDF para su uso en la indización automática de e-books
Palabras clave:
Evaluación de software, Grobib, Indización automática, PDFMiner.six, PDFAct., DF-extract., PDFExtract.Resumen
El número de libros electrónicos que ingresan en las bibliotecas en formato PDF cada día es mayor, complicando y haciendo
casi inviables algunos procesos realizados tradicionalmente de forma manual por los bibliotecarios, como es la asignación de
materias. En este contexto, se hace necesario el diseño y desarrollo de aplicaciones que asistan a los bibliotecarios. Teniendo
esto en consideración, presentamos en este trabajo la evaluación de herramientas de extracción de información de libros en
PDF que podrían usarse posteriormente como materia prima para un sistema de indización automática. Para ello, realizamos
una primera evaluación de cinco softwares (PDFMiner.six, PDFAct, PDF-extract, PDFExtract y Grobib) y, posteriormente, como
PDFAct consiguió el mejor rendimiento, hicimos una segunda evaluación para averiguar su capacidad para identificar y
extraer informaciones de los libros, tales como títulos, índices, secciones, títulos de tablas y gráficos y referencias bibliográficas,
informaciones relevantes para cualquier sistema de indización. Se concluye que ninguna de las herramientas evaluadas extrae
adecuadamente las diferentes partes de libros en PDF, si bien, PDFAct ha logrado un rendimiento superior al del resto.
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