-
Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998)
0.02
0.016997403 = product of:
0.033994805 = sum of:
0.033994805 = product of:
0.06798961 = sum of:
0.06798961 = weight(_text_:22 in 5170) [ClassicSimilarity], result of:
0.06798961 = score(doc=5170,freq=4.0), product of:
0.17751272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.050691422 = queryNorm
0.38301262 = fieldWeight in 5170, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=5170)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Online. 22(1998) no.4, S.22-28
-
Tenopir, C.; Cahn, P.: TARGET & FREESTYLE : DIALOG and Mead join the relevance ranks (1994)
0.02
0.0150125595 = product of:
0.030025119 = sum of:
0.030025119 = product of:
0.060050238 = sum of:
0.060050238 = weight(_text_:u in 2777) [ClassicSimilarity], result of:
0.060050238 = score(doc=2777,freq=2.0), product of:
0.16598624 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.050691422 = queryNorm
0.3617784 = fieldWeight in 2777, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=2777)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.446-456.
-
Tenopir, C.: Reference services from RLG (1995)
0.01
0.013735975 = product of:
0.02747195 = sum of:
0.02747195 = product of:
0.0549439 = sum of:
0.0549439 = weight(_text_:22 in 2612) [ClassicSimilarity], result of:
0.0549439 = score(doc=2612,freq=2.0), product of:
0.17751272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.050691422 = queryNorm
0.30952093 = fieldWeight in 2612, 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=2612)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 25.11.1995 19:22:01
-
Tenopir, C.: Integrating electronic reference (1995)
0.01
0.013735975 = product of:
0.02747195 = sum of:
0.02747195 = product of:
0.0549439 = sum of:
0.0549439 = weight(_text_:22 in 2616) [ClassicSimilarity], result of:
0.0549439 = score(doc=2616,freq=2.0), product of:
0.17751272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.050691422 = queryNorm
0.30952093 = fieldWeight in 2616, 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=2616)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 25.11.1995 19:22:01
-
Tenopir, C.; Neufang, R.: Electronic reference options : how they stack up in research libraries (1992)
0.01
0.012018979 = product of:
0.024037957 = sum of:
0.024037957 = product of:
0.048075914 = sum of:
0.048075914 = weight(_text_:22 in 2343) [ClassicSimilarity], result of:
0.048075914 = score(doc=2343,freq=2.0), product of:
0.17751272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.050691422 = queryNorm
0.2708308 = fieldWeight in 2343, 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=2343)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Online. 16(1992) no.2, S.22-28
-
Allard, S.; Levine, K.J.; Tenopir, C.: Design engineers and technical professionals at work : observing information usage in the workplace (2009)
0.01
0.008584985 = product of:
0.01716997 = sum of:
0.01716997 = product of:
0.03433994 = sum of:
0.03433994 = weight(_text_:22 in 2735) [ClassicSimilarity], result of:
0.03433994 = score(doc=2735,freq=2.0), product of:
0.17751272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.050691422 = queryNorm
0.19345059 = fieldWeight in 2735, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=2735)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 3.2009 12:43:37