Pu, H.-T.: Exploration of personalized information service for OPAC (1997)
0.01
0.012447873 = product of:
0.031119682 = sum of:
0.010419461 = product of:
0.020838922 = sum of:
0.020838922 = weight(_text_:h in 1772) [ClassicSimilarity], result of:
0.020838922 = score(doc=1772,freq=2.0), product of:
0.108453125 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.043652784 = queryNorm
0.19214681 = fieldWeight in 1772, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0546875 = fieldNorm(doc=1772)
0.5 = coord(1/2)
0.020700222 = product of:
0.041400444 = sum of:
0.041400444 = weight(_text_:22 in 1772) [ClassicSimilarity], result of:
0.041400444 = score(doc=1772,freq=2.0), product of:
0.1528646 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.043652784 = queryNorm
0.2708308 = fieldWeight in 1772, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=1772)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Date
- 4. 8.1998 19:36:22