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Graph-Based Safe Support Vector Machine for Multiple Classes
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DOI：10.1109/ACCESS.2018.2839187.png)
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摘要
En 中文
Semi-supervised learning (SSL) utilizes limited labeled data and plenty of unlabeled data, and it has attracted attentions for its improved learning performance. However, recent studies have indicated that using unlabeled data, in some cases, could deteriorate the performance. Therefore, there's an imminent need to develop safe semi-supervised learning methods to determine whether SSL should be applied for a given scenario. This paper proposes a safe version of multi-class graph-based semi-supervised support vector machine (SVM). At first, in order to eliminate the impact of bad label assignments, a criterion based on the cost function of semi-supervised SVM is introduced to evaluate the predicted label assignments. Then, m candidate optimal label assignments are picked up by the criterion. After that, a multi-class safe strategy is designed to generate the final label assignment whose performance is never worse than that of the methods using only labeled samples. Experimental results on several benchmark data sets validate the effectiveness of the proposed technique.
Keyword:
Semi-supervised learning
safe strategy
multi-class SVM
graph-based SVM
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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