Lee, W.G.; Ishikawa, Y.; Yamagishi, T.; Nishioka, A.; Hatada, K.; Ohbo, N.; Fujiwara, S.: ¬A dynamic thesaurus for intelligent access to research databases (1989)
0.05
0.04757337 = product of:
0.09514674 = sum of:
0.09514674 = product of:
0.1427201 = sum of:
0.07916925 = weight(_text_:y in 3556) [ClassicSimilarity], result of:
0.07916925 = score(doc=3556,freq=2.0), product of:
0.21271187 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.044200785 = queryNorm
0.3721901 = fieldWeight in 3556, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0546875 = fieldNorm(doc=3556)
0.06355085 = weight(_text_:n in 3556) [ClassicSimilarity], result of:
0.06355085 = score(doc=3556,freq=2.0), product of:
0.19057861 = queryWeight, product of:
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.044200785 = queryNorm
0.33346266 = fieldWeight in 3556, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.3116565 = idf(docFreq=1611, maxDocs=44218)
0.0546875 = fieldNorm(doc=3556)
0.6666667 = coord(2/3)
0.5 = coord(1/2)