Khytoretskii, V.M.; Efremenkova, V.M.; Tartakovskii, V.A.: Sootnoshenie klassifikatsionykh skhem bazy dannykh Chemical Abstracts i sootvetstvuyushchikh ei chastei sistemy baz dannykh VINITI (2000)
0.01
0.013874695 = product of:
0.05549878 = sum of:
0.05549878 = product of:
0.08324817 = sum of:
0.008142819 = weight(_text_:a in 891) [ClassicSimilarity], result of:
0.008142819 = score(doc=891,freq=2.0), product of:
0.06391794 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.055433948 = queryNorm
0.12739488 = fieldWeight in 891, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.078125 = fieldNorm(doc=891)
0.07510535 = weight(_text_:22 in 891) [ClassicSimilarity], result of:
0.07510535 = score(doc=891,freq=2.0), product of:
0.19412024 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.055433948 = queryNorm
0.38690117 = fieldWeight in 891, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=891)
0.6666667 = coord(2/3)
0.25 = coord(1/4)
- Date
- 1. 4.2002 13:36:22
- Type
- a