摘要：
tf(t in d)：Term frequency factor for the term (t) in the document (d)—howmany times the term t occurs in the document. idf(t) ：Inverse document frequency of the term: a measure of how“unique” t... 阅读全文
posted @ 2011-09-20 11:19
today4king
阅读(1897)
评论(0)
推荐(0)
浙公网安备 33010602011771号