tf*idf 鐃緒申鐃緒申鐃渋�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃曙Ǚ申鐃殉�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申鐃緒申鐃�½Ð鐃緒申鐃�·
Posted by yoosee on Web at 2005-02-25 23:42 JST
1
Tf Idf Ranking
鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申�Ǚ申鐃殉�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申鐃緒申鐃�½Ð鐃緒申鐃�·鐃緒申鐃緒申鐃薯Ë鐃緒申��鐃渋￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃獣�鐃縦�鐃緒申»鐃緒申�™申鐃緒申鐃緒申鐃緒申¾²鐃緒申鐃緒申鐃緒申¹鐃緒申鐃緒申鐃緒申鐃緒申臓鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃渋�鐃俊�鐃緒申鐃緒申鐃緒申鐃�\鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�½Ð鐃緒申鐃�½鐃緒申鐃緒申鐃出�鐃緒申鐃緒申�™申鐃�¹鐃緒申鐃緒申鐃緒申鐃緒申鐃�(tf)鐃緒申臓��鐃緒申鐃殉�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申��鐃緒申鐃緒申鐃緒申鐃渋�鐃俊�鐃緒申¾鐃緒申鐃緒申鐃緒申\鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�½Ð鐃緒申鐃�½鐃緒申鐃�·鐃緒申鐃�µ鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申(idf)鐃緒申臓��鐃緒申鐃緒申��鐃渋�鐃俊�鐃緒申½鐃緒申鐃緒申鐃緒申\鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃曙™申鐃緒申鐃緒申鐃緒申鐃殉�鐃緒申鐃緒申鐃緒申鐃渋×�鐃緒申鐃緒申鐃緒申鐃緒申·鐃緒申鐃緒申鐃緒申鐃緒申·鐃緒申鐃緒申鐃獣�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�¹鐃緒申鐃緒申鐃署¨�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申·鐃緒申鐃緒申鐃緒申鐃緒申臓鐃�nterm := 鐃緒申鐃緒申鐃緒申鐃緒申\鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�½Ð鐃緒申鐃�½²鐃緒申��鐃縦�鐃緒申
maxn := \鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃暑Ǚ申鐃緒申鐃緒申鐃緒申½Ð鐃緒申鐃�½鐃緒申鐃緒申鐃出�鐃緒申鐃緒申�™申鐃�¹鐃緒申鐃緒申鐃緒申«鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃縦�鐃緒申鐃殉�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�½Ð鐃緒申鐃�½²鐃緒申��鐃縦�鐃緒申
tf = 0.5 + 0.5 * nterm / maxn
idf = log2(\鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申��鐃縦�鐃緒申/鐃緒申鐃�о鐃緒申�Ã鐃殉�鐃緒申鐃緒申鐃緒申鐃緒申漫鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申\鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申��鐃縦�鐃緒申) + 1
log 鐃緒申鐃緒申鐃渋�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃暑Õ�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃署¨�鐃緒申鐃緒申鐃緒申鐃緒申³鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申 idf 鐃緒申鐃緒申鐃緒申½鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申��鐃緒申��鐃緒申鐃緒申��鐃緒申鐃緒申鐃�¹¹½Ð鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申
鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申陝��鐃緒申鐃緒申鐃� kakasi -w 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�½鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃殉�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申³鐃緒申鐃緒申鐃緒申·鐃緒申鐃緒申鐃縦�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申鐃� Hash 鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃巡™申鐃緒申鐃�¹鐃緒申��鐃緒申鐃緒申��鐃緒申鐃緒申鐃緒申鐃縦�鐃峻�鐃緒申¾鐃緒申鐃緒申鐃緒申²鐃緒申臓鐃�·鐃緒申»»鐃緒申鐃�·鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃塾�鐃緒申鐃緒申��鐃渋￥申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�½鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申�™申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃縮�鐃緒申鐃緒申鐃�½Ð鐃緒申鐃緒申鐃緒申鐃緒申鐃�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃述�鐃緒申鐃緒申鐃緒申鐃渋￥申鐃緒申鐃縦�鐃緒申鐃緒申鐃緒申鐃緒申³鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申 idf 鐃緒申鐃緒申鐃渋�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃�·鐃淳�鐃緒申鐃緒申�™申鐃緒申鐃緒申鐃縦�鐃峻�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申«鐃緒申鐃緒申鐃緒申鐃緒申鐃�«鐃緒申鐃緒申鐃緒申鐃緒申臓鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申鐃�\鐃緒申鐃�\\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃�\鐃緒申鐃緒申鐃緒申鐃緒申��鐃縦�鐃峻�鐃緒申鐃緒申��鐃緒申鐃緒申�™申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申鐃緒申鐃緒申鐃緒申·鐃緒申鐃緒申鐃縦�鐃縦�鐃緒申»鐃緒申�™申鐃�½Ð鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申臓鐃緒申½鐃緒申鐃緒申鐃獣�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申帖�Õ�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申 bulkfeeds 鐃緒申鐃緒申鐃緒申鐃縦�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申��鐃緒申��鐃渋�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃渋�鐃緒申«鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃渋�鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃緒申鐃渋￥申
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