@inproceedings{TrNeJa12, author = {Bianka Trevisan and Melanie Neunerdt and Eva-Maria Jakobs}, title = "A Multi-level Annotation Model for Fine-grained Opinion Detection in German Blog Comments", pages = "179-188", booktitle = "11th Conference on Natural Language Processing (KONVENS)", address = {Vienna, Austria}, month = Sep, year = 2012, hsb = {hsb999910270615 }, }