TOFA: Trace Oriented Feature Analysis in Text Categorization

  title={TOFA: Trace Oriented Feature Analysis in Text Categorization},
  author={Jun Yan and Ning Liu and Qiang Yang and Weiguo Fan and Zheng Chen},
  journal={2008 Eighth IEEE International Conference on Data Mining},
Dimension reduction for large-scale text data is attracting much attention lately due to the rapid growth of World Wide Web. We can consider dimension reduction algorithms in two categories: feature extraction and feature selection. An important problem remains: it has been difficult to integrate these two algorithm categories into a single framework, making it difficult to reap the benefit of both. In this paper, we formulate the two algorithm categories through a unified optimization… CONTINUE READING


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