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Using the K Nearest Neighbor Method and BM25 in the Patent Document Categorization Subtask at NTCIR-5.
Masaki Murata
Toshiyuki Kanamaru
Tamotsu Shirado
Hitoshi Isahara
Published in:
NTCIR (2005)
Keyphrases
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text categorization
k nearest neighbor
document categorization
knn
feature selection
support vector machine
nearest neighbor
classification algorithm
knn classifier
information retrieval
neural network
pairwise
tf idf
clustering method
machine learning methods