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dc.contributor.authorWong, Dajien_US
dc.description59 p.en_US
dc.description.abstractIn this thesis, an algorithm is presented that selects samples of documents for training text classifiers. Often the number of documents is very large and the documents are noisy. Both for efficiency purposes and accuracy purposes, one need good samples not just blind samples such as that of simple random sampling. The proposed algorithm is far superior to simple random sampling both for small sampling ratios and in the presence of noise. The proposed algorithm is based on a simple fact that the terms in the set of training sample documents should have approximately equal document frequency as in the whole set (not including the test set).en_US
dc.rightsNanyang Technological Universityen_US
dc.subjectDRNTU::Engineering::Computer science and engineering::Computing methodologies::Document and text processingen_US
dc.titleSelecting training samples from large and noisy corpora for efficient text classificationen_US
dc.contributor.supervisorManoranjan Dashen_US
dc.contributor.schoolWee Kim Wee School of Communication and Informationen_US
dc.description.degreeMaster of Science (Information Studies)en_US
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