-
Yi, H.; Shubai, L.: Application of classification in information organization under the networking environment (1998)
0.03
0.028171634 = product of:
0.05634327 = sum of:
0.05634327 = product of:
0.0845149 = sum of:
0.0324685 = weight(_text_:12 in 3236) [ClassicSimilarity], result of:
0.0324685 = score(doc=3236,freq=2.0), product of:
0.13281173 = queryWeight, product of:
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.048018172 = queryNorm
0.24447013 = fieldWeight in 3236, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.0625 = fieldNorm(doc=3236)
0.052046396 = weight(_text_:22 in 3236) [ClassicSimilarity], result of:
0.052046396 = score(doc=3236,freq=2.0), product of:
0.16815145 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.048018172 = queryNorm
0.30952093 = fieldWeight in 3236, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=3236)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Date
- 5. 3.1999 19:12:02
- Source
- Journal of the China Society for Scientific and Technical Information. 17(1998) no.1, S.19-22
-
Lee, Y.-R.: ¬A study on the conditions of using OPAC access points and subject searching by users (1997)
0.01
0.0086744 = product of:
0.0173488 = sum of:
0.0173488 = product of:
0.052046396 = sum of:
0.052046396 = weight(_text_:22 in 933) [ClassicSimilarity], result of:
0.052046396 = score(doc=933,freq=2.0), product of:
0.16815145 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.048018172 = queryNorm
0.30952093 = fieldWeight in 933, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=933)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Bulletin of library and information science. 1997, no.22, S.39-55
-
Pu, H.-T.: Exploration of personalized information service for OPAC (1997)
0.01
0.0075900992 = product of:
0.0151801985 = sum of:
0.0151801985 = product of:
0.045540594 = sum of:
0.045540594 = weight(_text_:22 in 1772) [ClassicSimilarity], result of:
0.045540594 = score(doc=1772,freq=2.0), product of:
0.16815145 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.048018172 = 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)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 4. 8.1998 19:36:22
-
Huang, M.-H.: ¬The evaluation of information retrieval systems (1997)
0.01
0.0067642713 = product of:
0.013528543 = sum of:
0.013528543 = product of:
0.040585626 = sum of:
0.040585626 = weight(_text_:12 in 1827) [ClassicSimilarity], result of:
0.040585626 = score(doc=1827,freq=2.0), product of:
0.13281173 = queryWeight, product of:
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.048018172 = queryNorm
0.30558768 = fieldWeight in 1827, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.078125 = fieldNorm(doc=1827)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 9. 8.1998 12:21:58
-
Wu, C.-J.: Mapping the Dublin Core to the Chinese MARC (1998)
0.01
0.0067642713 = product of:
0.013528543 = sum of:
0.013528543 = product of:
0.040585626 = sum of:
0.040585626 = weight(_text_:12 in 6269) [ClassicSimilarity], result of:
0.040585626 = score(doc=6269,freq=2.0), product of:
0.13281173 = queryWeight, product of:
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.048018172 = queryNorm
0.30558768 = fieldWeight in 6269, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.078125 = fieldNorm(doc=6269)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Date
- 9. 4.2000 12:06:17
-
Chen, P.: ¬The access to Internet : an explorative study (1997)
0.01
0.005411417 = product of:
0.010822834 = sum of:
0.010822834 = product of:
0.0324685 = sum of:
0.0324685 = weight(_text_:12 in 522) [ClassicSimilarity], result of:
0.0324685 = score(doc=522,freq=2.0), product of:
0.13281173 = queryWeight, product of:
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.048018172 = queryNorm
0.24447013 = fieldWeight in 522, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.0625 = fieldNorm(doc=522)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Bulletin of library and information science. 1997, no.20, S.1-12