@InProceedings{wiegand-klakow:2011:RANLP, author = {Wiegand, Michael and Klakow, Dietrich}, title = {Prototypical Opinion Holders: What We can Learn from Experts and Analysts}, booktitle = {Proceedings of the International Conference Recent Advances in Natural Language Processing 2011}, month = {September}, year = {2011}, address = {Hissar, Bulgaria}, publisher = {RANLP 2011 Organising Committee}, pages = {282--288}, url = {http://aclweb.org/anthology/R11-1039} }