InforLorV4, Main, Exploration, bibRecord, 003186

A Neural-Linguistic Approach for the Recognition of a Wide Arabic Word Lexicon

Identifieur interne : 003186 ( Main/Exploration ); précédent : 003185; suivant : 003187

A Neural-Linguistic Approach for the Recognition of a Wide Arabic Word Lexicon

Auteurs : I. Ben Cheikh [Tunisie] ; A. Kacem [Tunisie] ; Abdel Belaïd [France]

Source :

Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2010.

RBID : Pascal:10-0429694

Descripteurs français

Pascal (Inist)
- Réseau neuronal, Reconnaissance forme, Recherche documentaire, Arabe, Lexique, Vocabulaire, Consonne, Précision, Apprentissage, 0130C, 0705M, 4230S.
Wicri :
- topic : Recherche documentaire.

English descriptors

KwdEn :
- Accuracy, Arabic, Consonants, Document retrieval, Learning, Lexicon, Neural networks, Pattern recognition, Vocabulary.

Abstract

Recently, we have investigated the use of Arabic linguistic knowledge to improve the recognition of wide Arabic word lexicon. A neural-linguistic approach was proposed to mainly deal with canonical vocabulary of decomposable words derived from tri-consonant healthy roots. The basic idea is to factorize words by their roots and schemes. In this direction, we conceived two neural networks TNN_R and TNN_S to respectively recognize roots and schemes from structural primitives of words. The proposal approach achieved promising results. In this paper, we will focus on how to reach better results in terms of accuracy and recognition rate. Current improvements concern especially the training stage. It is about 1) to benefit from word letters order 2) to consider "sisters letters" (letters having same features), 3) to supervise networks behaviors, 4) to split up neurons to save letter occurrences and 5) to solve observed ambiguities. Considering theses improvements, experiments carried on 1500 sized vocabulary show a significant enhancement: TNN_R (resp. TNN_S) top4 has gone up from 77% to 85.8% (resp. from 65% to 97.9%). Enlarging the vocabulary from 1000 to 1700, adding 100 words each time, again confirmed the results without altering the networks stability.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000204
to stream PascalFrancis, to step Curation: 000815
to stream PascalFrancis, to step Checkpoint: 000185
to stream Main, to step Merge: 003248
to stream Main, to step Curation: 003186

Le document en format XML

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A Neural-Linguistic Approach for the Recognition of a Wide Arabic Word Lexicon

A Neural-Linguistic Approach for the Recognition of a Wide Arabic Word Lexicon

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri