Kristensen, J.; Järvelin, K.: ¬The effectiveness of a searching thesaurus in free-text searching in a full-text database (1990)
0.01
0.010979563 = product of:
0.03293869 = sum of:
0.03293869 = product of:
0.09881607 = sum of:
0.09881607 = weight(_text_:k in 2043) [ClassicSimilarity], result of:
0.09881607 = score(doc=2043,freq=2.0), product of:
0.15658903 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0438652 = queryNorm
0.63105357 = fieldWeight in 2043, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.125 = fieldNorm(doc=2043)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)