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Phrases of different level in parse tree have different level of semantic abstract, and may function diversely in classification. This paper uses syntax phrases of different level to improve BoW representation. The result shows that level of phrases is valuable to capture the commonness of positive instances, and can better the discernment of positive instances. But it decreases the discernment of...
On large scale dataset, the effect of automatic text classification is now still far from perfect. It's a common agreement that more sufficient text semantic meaning be adopted in text representation to deal with the challenge. This paper introduces semantic meaning of coreference in and to improve traditional BOW representation. The result of text classification experiment shows that, contrasted...
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