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)
0.02
0.018132426 = product of:
0.054397278 = sum of:
0.042707562 = weight(_text_:t in 3556) [ClassicSimilarity], result of:
0.042707562 = score(doc=3556,freq=2.0), product of:
0.14017504 = queryWeight, product of:
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.035582762 = queryNorm
0.30467308 = fieldWeight in 3556, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.0546875 = fieldNorm(doc=3556)
0.011689715 = product of:
0.035069145 = sum of:
0.035069145 = weight(_text_:k in 3556) [ClassicSimilarity], result of:
0.035069145 = score(doc=3556,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.27608594 = fieldWeight in 3556, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0546875 = fieldNorm(doc=3556)
0.33333334 = coord(1/3)
0.33333334 = coord(2/6)