Language-Independent Sentiment Analysis Using Subjectivity and Positional Information Veselin Raychev author Preslav Nakov author 2009-09 text Proceedings of the International Conference RANLP-2009 Galia Angelova editor Ruslan Mitkov editor Association for Computational Linguistics Borovets, Bulgaria conference publication raychev-nakov-2009-language https://aclanthology.org/R09-1065/ 2009-09 360 364