1. 1. Maqbool Al-Maimani,Naomie Salim Ahmed M.AlNaamany,” Semantics and Fuzzy Aspects of Opinion Mining” Journal of Theoretical and Applied Information Technology ,20th May 2014. Vol. 63 No.218
   2. Bing Liu. Sentiment Analysis and Opinion Mining, Morgan & Claypool Publishers, May 2012.
   3. Amit Pimpalkar, “A System for Sentimental Analysis of Movie Reviews Involving Rule-Based and Fuzzy Measure”, International Journal of Artificial Intelligence and Knowledge Discovery (IJAIKD), ISSN 2231-0312,Vol.3, No.2, 2013.
   4. Subasic, P. and Huettner, A. (2001). „Affect analysis of text using fuzzy semantic typing‟. IEEE-FS, (9):483–496.
   5. Samaneh N., Masrah A. Murad, Rabiah Abdul Kadir (2010), „Sentiment Classification of Customer Reviews Based on Fuzzy Logic‟, Information Technology (ITSim), 2010 International Symposium, pp.1037-1040.
   6. Mita K. Dalal1 andMukesh A. Zaveri2” Opinion Mining from Online User Reviews Using Fuzzy Linguistic Hedges”Applied Computational Intelligence and So Computing Volume 2014, Published 20 February 2014
   7. Animesh Kar, Deba Prasad Mandal, “Finding Opinion Strength Using Fuzzy Logic on Web Reviews”,International Journal of Engineering and Industries,volume 2, Number 1, pp 37-43, March, 2011.
   8. Ohana, B. & Tierney, B. (2009) Sentiment classification of reviews using SentiWordNet. 9th. IT&T Conference, Dublin Institute of Technology, Dublin, Ireland, 22-23 October.
   9. V. N. Huynh, T. B. Ho, and Y. Nakamori, “A parametric representation of linguistic hedges in Zadeh‟s fuzzy logic,” International Journal of Approximate Reasoning, vol. 30, no. 3,pp. 203–223, 2002.
   10. Liu, Bing. Sentiment Analysis and Subjectivity, in Handbook of Natural Language Processing, Second Edition, N. Indurkhya and F.J. Damerau, Editors. 2010.