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Yu, N.: Exploring co-training strategies for opinion detection (2014)
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Pong, J.Y.-H.; Kwok, R.C.-W.; Lau, R.Y.-K.; Hao, J.-X.; Wong, P.C.-C.: ¬A comparative study of two automatic document classification methods in a library setting (2008)
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Schöneberg, U.; Sperber, W.: POS tagging and its applications for mathematics (2014)
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Dietterich, T.G.: Machine-learning research : four current directions (1997)
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Li, Y.; Shawe-Taylor, J.: Advanced learning algorithms for cross-language patent retrieval and classification (2007)
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