Media type: E-Article Title: Sentiment Analysis on the Online Reviews Based on Hidden Markov Model Contributor: Zhao, Xiaoyi; Ohsawa, Yukio imprint: Engineering and Technology Publishing, 2018 Published in: Journal of Advances in Information Technology Language: Not determined DOI: 10.12720/jait.9.2.33-38 ISSN: 1798-2340 Origination: Footnote: Access State: Open Access