Fugmann, R.; Kusemann, G.; Winter, H.J.: ¬The supply of information an chemical reactions in the IDC system (1979)
0.02
0.019051645 = product of:
0.088907674 = sum of:
0.037644558 = weight(_text_:system in 1648) [ClassicSimilarity], result of:
0.037644558 = score(doc=1648,freq=2.0), product of:
0.07727166 = queryWeight, product of:
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.02453417 = queryNorm
0.4871716 = fieldWeight in 1648, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1495528 = idf(docFreq=5152, maxDocs=44218)
0.109375 = fieldNorm(doc=1648)
0.016539034 = weight(_text_:information in 1648) [ClassicSimilarity], result of:
0.016539034 = score(doc=1648,freq=4.0), product of:
0.04306919 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.02453417 = queryNorm
0.3840108 = fieldWeight in 1648, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.109375 = fieldNorm(doc=1648)
0.034724083 = weight(_text_:retrieval in 1648) [ClassicSimilarity], result of:
0.034724083 = score(doc=1648,freq=2.0), product of:
0.07421378 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.02453417 = queryNorm
0.46789268 = fieldWeight in 1648, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.109375 = fieldNorm(doc=1648)
0.21428572 = coord(3/14)
- Source
- Information storage and retrieval. 15(1979), S.303-323
