Michael Wiegand and
Dietrich Klakow. Predictive features in semi-supervised learning for polarity classification and the role of adjectives. In Proceedings of the 17th Nordic Conference of Computational Linguistics NODALIDA 2009 : May 14-16, 2009, Odense, Denmark, Vol. 4:198-205 of NEALT proceedings series, NEALT, Tartu, 2009. google Note: DK.
