Guided Self Training for Sentiment Classification Brett Drury author Luís Torgo author Jose Joao Almeida author 2011-09 text Proceedings of Workshop on Robust Unsupervised and Semisupervised Methods in Natural Language Processing Chris Biemann editor Anders Søgaard editor Association for Computational Linguistics Hissar, Bulgaria conference publication drury-etal-2011-guided https://aclanthology.org/W11-3902/ 2011-09 9 16