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A HMM-Based System To Diacritize Arabic Text

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DOI: 10.4236/jsea.2012.512B024    3,697 Downloads   4,810 Views   Citations
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ABSTRACT

The Arabic language comes under the category of Semitic languages with an entirely different sentence structure in terms of Natural Language Processing. In such languages, two different words may have identical spelling whereas their pronunciations and meanings are totally different. To remove this ambiguity, special marks are put above or below  the spelling characters to determine the correct pronunciation. These marks are called diacritics and the language that uses them is called a diacritized language. This paper presents a system for Arabic language diacritization using Hid- den Markov Models (HMMs). The system employs the renowned HMM Tool Kit  (HTK). Each single diacritic is represented as a separate model. The concatenation of output models is coupled with the input  character sequence to form the fully diacritized text. The performance of the proposed system is assessed using a data corpus that includes more than 24000 sentences.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

M. Khorsheed, "A HMM-Based System To Diacritize Arabic Text," Journal of Software Engineering and Applications, Vol. 5 No. 12B, 2012, pp. 124-127. doi: 10.4236/jsea.2012.512B024.

References

[1] RDI, “ArabDiac” http://www.rdi-eg.com/rdi/Research.
[2] SAKHR, http://www.sakhr.com/.
[3] CIMOS, http://www.cimos.com/.
[4] A. Farghaly and J. Snellart, “Intuitive coding of the Arabic lexicon,” Louisiana-USA, 23 September 2003.
[5] S. Young, G. Evermann, D. Kershaw, G. Moore, J. Odell, D. Ollason, V. Valtchev, and P. Woodland, “The HTK Book,” Cambridge Univer-sity Engineering Dept., 2001.
[6] L. Rabiner and B. Juang, “Fundamentals Of Speech Recognition,” Prentice Hall, 1993.

  
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