Buccio, E. Di; Melucci, M.; Moro, F.: Detecting verbose queries and improving information retrieval (2014)
0.01
0.0076980437 = product of:
0.02309413 = sum of:
0.02309413 = product of:
0.04618826 = sum of:
0.04618826 = weight(_text_:processing in 2695) [ClassicSimilarity], result of:
0.04618826 = score(doc=2695,freq=2.0), product of:
0.20653816 = queryWeight, product of:
4.048147 = idf(docFreq=2097, maxDocs=44218)
0.051020417 = queryNorm
0.22363065 = fieldWeight in 2695, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.048147 = idf(docFreq=2097, maxDocs=44218)
0.0390625 = fieldNorm(doc=2695)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Information processing and management. 50(2014) no.2, S.342-360