Slack, F.; Wood, A.J.: Subject searching on British OPACs : problems and progress (1990)
0.10
0.100204155 = product of:
0.20040831 = sum of:
0.20040831 = product of:
0.40081662 = sum of:
0.40081662 = weight(_text_:a.j in 1405) [ClassicSimilarity], result of:
0.40081662 = score(doc=1405,freq=2.0), product of:
0.31503916 = queryWeight, product of:
7.1970778 = idf(docFreq=89, maxDocs=44218)
0.043773204 = queryNorm
1.2722756 = fieldWeight in 1405, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.1970778 = idf(docFreq=89, maxDocs=44218)
0.125 = fieldNorm(doc=1405)
0.5 = coord(1/2)
0.5 = coord(1/2)