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Lematizador morfosintáctico y semántico robusto con flexionador y estimador idiomático, usando algoritmos eficientes y compactos para idiomas muy ricos en formas como el español

Authors: Hohendahl, Andres T.; Zelasco, José F.;

Lematizador morfosintáctico y semántico robusto con flexionador y estimador idiomático, usando algoritmos eficientes y compactos para idiomas muy ricos en formas como el español

Abstract

We present a word recognition and generation system for multilingual natural language processing, intended for human-machine interface. Presenting robust, low memory footprint and efficient algorithms, it is capable of: language identification, linguistic word-tagging, semantic extraction, automatic error recognition and correction with morphologic and sound-like estimation capability. It uses simple rules to express sophisticated and reversible morphological changes. Tolerates, detects and corrects spelling errors, primarily intended for text generated by automatic natural speech and writing recognition; constrained inputs like mobile phone keyboards or PDA’s, chat and/or e-mails. Useful for interactive text correction & assistance in word processing, it yields a low memory footprint and high processing speed, being adequate for personal computers, portables, palms, mobiles & embedded solutions. For spanish, it needs 200Kb for 50k lemmas and 4500 rules, equivalent to 1.2M exact words and >300M guessable. Capable of morphological and sound-like inference, in a similar way as a natural language human hearer would perform. As flexion generator, it has added semantic expression capability

Se presenta un sistema de reconocimiento y flexión de palabras en lenguaje natural orientado a interfase hombre-máquina. Presentamos algoritmos robustos, eficientes y con poca impronta de memoria, capaces de realizar identificación idiomática, etiquetado lingüístico, extracción semántica, estimación morfológica y acústica (por similitud). Usa reglas simples capaces de expresar sofisticados cambios morfológicos reversibles. Tolera, detecta y corrige errores, estando principalmente orientado a textos provenientes de reconocimiento automático de voz y texto escrito, mensajes de teclados restringidos como terminales móviles “sms/mms/wap”, PDA’s etc.., “chat” y/o e-mail. Es apropiado para asistencia y corrección interactiva en procesamiento de texto, tiene baja impronta de memoria y alta velocidad de proceso, siendo adecuado para ordenadores personales, portátiles, móviles y productos embebidos. Para el español, requiere 200Kb para 50k lemas y 4500 reglas, equivalentes a 1.2M palabras exactas y >300M estimables. Puede inferir por similitud morfológica y tónica, en forma similar a la de un hablante natural. Como flexionador posee además capacidad de expresión semántica.

Red de Universidades con Carreras en Informática (RedUNCI)

Country
Argentina
Related Organizations
Keywords

Morphological, Ciencias Informáticas, Procesamiento de Lenguaje Natural, Algorithms, Natural Language Processing, Semantics

[16] Open Office Dictionaries: http://lingucomponent.openoffice.org/spell_dic.html [13] Affix compression: http://aspell.sourceforge.net/man-html/Affix-Compression.html [14] Expresiones Regulares: http://www.regular-expressions.info/ [17] Estructuras de árboles “Trie”: http://www.nist.gov/dads/HTML/trie.html [18] Estructuras de árboles Ternary Serach Tree:

[22] Algoritmos eficientes para detección temprana de errores y clasificación idiomática

Zelasco, WICC2006 - http://www.unimoron-wicc2006.com.ar/ ISBN 950-9474-35-5

[25] Diccionarios españoles: http://www3.unileon.es/dp/dfh/jmr/dicci/012.htm

[30] FreeLing, un proyecto de software libre para NLP: www.lsi.upc.es/~nlp/freeling/ [33] FLANOM: Flexionador y lematizador automático de formas nominales.

Lingüística Española Actual XXI, 2, 1999. Ed. Arco/Libros, S.L.

253/297 [34] FLAVER: Flexionador y lematizador automático de formas verbales.

Lingüística Española Actual XIX, 2, 1997. Ed. Arco/Libros, S.L.

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This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
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