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Proceedings of the Twenty-Third International Joint Conference on Artificial Intelligence Active Learning for Cross- omain Sentiment Classification �� D

By Shoushan Li, Yunxia Xue, Zhongqing Wang and Guodong Zhou

Abstract

In the literature, various approaches have been proposed to address the domain adaptation problem in sentiment classification (also called cross-domain sentiment classification). However, the adaptation performance normally much suffers when the data distributions in the source and target domains differ significantly. In this paper, we suggest to perform active learning for cross-domain sentiment classification by actively selecting a small amount of labeled data in the target domain. Accordingly, we propose an novel active learning approach for cross-domain sentiment classification. First, we train two individual classifiers, i.e., the source and target classifiers with the labeled data from the source and target respectively. Then, the two classifiers are employed to select informative samples with the selection strategy of Query By Committee (QBC). Third, the two classifier is combined to make the classification decision. Importantly, the two classifiers are trained by fully exploiting the unlabeled data in the target domain with the label propagation (LP) algorithm. Empirical studies demonstrate the effectiveness of our active learning approach for cross-domain sentiment classification over some strong baselines. 1

Year: 2014
OAI identifier: oai:CiteSeerX.psu:10.1.1.417.4540
Provided by: CiteSeerX
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