Blake, C.: Text mining (2011)
0.00
0.0016464829 = product of:
0.014818345 = sum of:
0.014818345 = weight(_text_:of in 1599) [ClassicSimilarity], result of:
0.014818345 = score(doc=1599,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.24188137 = fieldWeight in 1599, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=1599)
0.11111111 = coord(1/9)
- Source
- Annual review of information science and technology. 45(2011) no.1, S.121-155