Goodstein, L.P.; Pejtersen, A.M.: ¬The Book House : System functionality and evaluation (1989)
0.01
0.011258537 = product of:
0.03377561 = sum of:
0.03377561 = product of:
0.06755122 = sum of:
0.06755122 = weight(_text_:system in 7626) [ClassicSimilarity], result of:
0.06755122 = score(doc=7626,freq=2.0), product of:
0.16177002 = queryWeight, product of:
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.051362853 = queryNorm
0.41757566 = fieldWeight in 7626, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.09375 = fieldNorm(doc=7626)
0.5 = coord(1/2)
0.33333334 = coord(1/3)