TJUdeM: A Combination Classifier for Aspect Category Detection and Sentiment Polarity Classification Zhifei Zhang author Jian-Yun Nie author Hongling Wang author 2015-06 text Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015) Preslav Nakov editor Torsten Zesch editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Denver, Colorado conference publication zhang-etal-2015-tjudem 10.18653/v1/S15-2131 https://aclanthology.org/S15-2131/ 2015-06 772 777