Multi-Source Tri-Training Transfer Learning

DOI Web Site 2 Citations 5 References
  • CHENG Yuhu
    School of Information and Electrical Engineering, China University of Mining and Technology
  • WANG Xuesong
    School of Information and Electrical Engineering, China University of Mining and Technology
  • CAO Ge
    School of Information and Electrical Engineering, China University of Mining and Technology

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Description

A multi-source Tri-Training transfer learning algorithm is proposed by integrating transfer learning and semi-supervised learning. First, multiple weak classifiers are respectively trained by using both weighted source and target training samples. Then, based on the idea of co-training, each target testing sample is labeled by using trained weak classifiers and the sample with the same label is selected as the high-confidence sample to be added into the target training sample set. Finally, we can obtain a target domain classifier based on the updated target training samples. The above steps are iterated till the high-confidence samples selected at two successive iterations become the same. At each iteration, source training samples are tested by using the target domain classifier and the samples tested as correct continue with training, while the weights of samples tested as incorrect are lowered. Experimental results on text classification dataset have proven the effectiveness and superiority of the proposed algorithm.

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