@InProceedings{xu-xu-wang:2011:WASSA2011, author = {Xu, Ruifeng and Xu, Jun and Wang, Xiaolong}, title = {Instance Level Transfer Learning for Cross Lingual Opinion Analysis}, booktitle = {Proceedings of the 2nd Workshop on Computational Approaches to Subjectivity and Sentiment Analysis (WASSA 2.011)}, month = {June}, year = {2011}, address = {Portland, Oregon}, publisher = {Association for Computational Linguistics}, pages = {182--188}, url = {http://www.aclweb.org/anthology/W11-1724} }