A study of document filtering using the subspace method of pattern recognition.

Tsutomu Matsunaga A study of document filtering using the subspace method of pattern recognition. 48-58 2000 31 Systems and Computers in Japan 1 http://dx.doi.org/10.1002/(SICI)1520-684X(200001)31:1<48::AID-SCJ6>3.0.CO;2-F db/journals/scjapan/scjapan31.html#Matsunaga00