Boettcher, J.; Kingma, B.R.: Telephone directories : alternatives to print (1994)
0.02
0.022122633 = product of:
0.044245265 = sum of:
0.044245265 = product of:
0.066367894 = sum of:
0.029968852 = weight(_text_:j in 1712) [ClassicSimilarity], result of:
0.029968852 = score(doc=1712,freq=2.0), product of:
0.14227505 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.044775832 = queryNorm
0.21064025 = fieldWeight in 1712, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=1712)
0.03639904 = weight(_text_:22 in 1712) [ClassicSimilarity], result of:
0.03639904 = score(doc=1712,freq=2.0), product of:
0.15679733 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044775832 = queryNorm
0.23214069 = fieldWeight in 1712, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=1712)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Source
- Reference services review. 22(1994) no.2, S.53-61
