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Term Weighting Classification System Using the Chi-square Statistic for the Classification Subtask at NTCIR-6 Patent Retrieval Task.
Kotaro Hashimoto
Takashi Yukawa
Published in:
NTCIR (2007)
Keyphrases
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image classification
decision trees
text classification
feature extraction
feature vectors
probabilistic model
feature selection
feature space
high dimensional
knowledge discovery
support vector machine
text categorization
precision and recall
term weighting