Paper: Using Bilingual Knowledge and Ensemble Techniques for Unsupervised Chinese Sentiment Analysis

ACL ID D08-1058
Title Using Bilingual Knowledge and Ensemble Techniques for Unsupervised Chinese Sentiment Analysis
Venue Conference on Empirical Methods in Natural Language Processing
Session Main Conference
Year 2008
Authors

It is a challenging task to identify sentiment polarity of Chinese reviews because the re- sources for Chinese sentiment analysis are limited. Instead of leveraging only monolin- gual Chinese knowledge, this study proposes a novel approach to leverage reliable English resources to improve Chinese sentiment analysis. Rather than simply projecting Eng- lish resources onto Chinese resources, our ap- proach first translates Chinese reviews into English reviews by machine translation ser- vices, and then identifies the sentiment polar- ity of English reviews by directly leveraging English resources. Furthermore, our approach performs sentiment analysis for both Chinese reviews and English reviews, and then uses ensemble methods to combine the individual analysis results. Experimenta...