Mr. Mohammad Sedegh Hajmohammadi Profile

Mohammad Sedegh Hajmohammadi

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Proceedings Article | 20 March 2013 Paper

A SVM-based method for sentiment analysis in Persian language

Mohammad Sadegh Hajmohammadi, Roliana Ibrahim

Proceedings Volume 8768, 876838 (2013) https://doi.org/10.1117/12.2010940

KEYWORDS: Machine learning, Mining, Classification systems, Cameras, Algorithm development, Computer engineering, Computer science, Information science, Computing systems, Electronics

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Persian language is the official language of Iran, Tajikistan and Afghanistan. Local online users often represent their opinions and experiences on the web with written Persian. Although the information in those reviews is valuable to potential consumers and sellers, the huge amount of web reviews make it difficult to give an unbiased evaluation to a product. In this paper, standard machine learning techniques SVM and naive Bayes are incorporated into the domain of online Persian Movie reviews to automatically classify user reviews as positive or negative and performance of these two classifiers is compared with each other in this language. The effects of feature presentations on classification performance are discussed. We find that accuracy is influenced by interaction between the classification models and the feature options. The SVM classifier achieves as well as or better accuracy than naive Bayes in Persian movie. Unigrams are proved better features than bigrams and trigrams in capturing Persian sentiment orientation.

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