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Simple multi-label ranking for Chinese microblog sentiment classification
SHI Shaoliang, WEN Yimin, MIAO Yuqing
Journal of Computer Applications    2015, 35 (10): 2721-2726.   DOI: 10.11772/j.issn.1001-9081.2015.10.2721
Abstract878)      PDF (1000KB)(597)       Save
In order to solve a specific case that each sample has two emotional labels at most in emotion classification of Chinese microblog text, a simple multi-label ranking algorithm named TSMLR was proposed. The proposed algorithm employed the strategy of two-stage learning and two-stage classification, and gave classification and ranking emotional labels for each microblog text by learning the relations between labels. Firstly, it transformed the emotion classification problem into eight single-label classification problems. One learning model was trained for the dominant emotion and seven learning models were trained for the secondary emotion. It classified for the dominant emotion label at first, then chose the corresponding classification model for the secondary emotion label. The experiment was conducted on the dataset of Chinese Weibo Texts provided by NLP&CC2014. The results showed that the proposed method improved the accuracy and average precision by 8.59% and 9.28% respectively, and decreased the one-error by 9.77% accordingly, compared to the method of Calibrated Label Ranking (CLR). In addition, the running time of the proposed method was lower than those of the two baseline methods. These experimental results illustrate that the proposed algorithm can effectively learn the label order and make more accurate emotion classification for Chinese microblog.
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