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Margin-Based Semi-supervised Learning Using Apollonius Circle

Abstract : In this paper, we focus on the classification problem to semi-supervised learning. Semi-supervised learning is a learning task from both labeled and unlabeled data examples. We propose a novel semi-supervised learning algorithm using a self-training framework and support vector machine. Self-training is one of the wrapper-based semi-supervised algorithms in which the base classifier assigns labels to unlabeled data at each iteration and the classifier re-train on a larger training set at the next training step. However, the performance of this algorithm strongly depends on the selected newly-labeled examples. In this paper, a novel self-training algorithm is proposed, which improves the learning performance using the idea of the Apollonius circle to find neighborhood examples. The proposed algorithm exploits a geometric structure to optimize the self-training process. The experimental results demonstrate that the proposed algorithm can effectively improve the performance of the constructed classification model.
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Submitted on : Wednesday, March 10, 2021 - 4:05:11 PM
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Mona Emadi, Jafar Tanha. Margin-Based Semi-supervised Learning Using Apollonius Circle. 3rd International Conference on Topics in Theoretical Computer Science (TTCS), Jul 2020, Tehran, Iran. pp.48-60, ⟨10.1007/978-3-030-57852-7_4⟩. ⟨hal-03165381⟩



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