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Unlock Tigrigna NLP: Design and Development of Morphological Analyzer for Tigrigna Verbs Using Hybrid Approach

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Author :  Hagos Gebremedhin Gebremeskel, Feng Chong*, Huang Heyan

Affiliation :  Beijing Engineering Research Center of High Volume Language Information Processing and Cloud Computing Applications Laboratory, Computer Science and Technology, Beijing Institute of Technology

Country :  China

Category :  NLP

Volume, Issue, Month, Year :  12, 5, October, 2023

Abstract :


Morphological analyzer is the basis for various high-level NLP applications such as information retrieval, spell checking, grammar checking, machine translation, speech recognition, POS tagging and automatic sentence construction. This paper is carefully designed for the analysis of Tigrigna verbs morphological analyzer using the hybrid of memory learning and rule based approaches. The experiment have conducted using Python 3 where TiMBL algorithms IB2 and TRIBL2, and Finite State Transducer rules are used. The performance of the system has been evaluated using 10 fold cross-validation technique. Testing was conducted using optimized parameter settings for regular verbs and linguistic rules of the Tigrigna language allomorph and phonology for the irregular verbs. The accuracy of the memory based approach with optimized parameters of TiMBL algorithm IB2 and TRIBL2 was 93.24% and 92.31%, respectively. Finally, the hybrid approach had an actual performance of 95.6% using linguistic rules for handling irregular and copula verbs.

Keyword :  Morphological Analyzer, Tigrigna verb Morphology, Machine learning, Character Based Analysis, Feature Extraction, Rules setting, Hybrid approach

Journal/ Proceedings Name :  International Journal on Natural Language Computing (IJNLC)

URL :  https://airccse.org/journal/ijnlc/vol12.html

User Name : HagosG
Posted 09-11-2023 on 18:50:25 AEDT



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