-
Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998)
0.03
0.03369867 = product of:
0.05616445 = sum of:
0.02499075 = product of:
0.0499815 = sum of:
0.0499815 = weight(_text_:l in 5170) [ClassicSimilarity], result of:
0.0499815 = score(doc=5170,freq=2.0), product of:
0.16259494 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.040907964 = queryNorm
0.30739886 = fieldWeight in 5170, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0546875 = fieldNorm(doc=5170)
0.5 = coord(1/2)
0.0037398988 = weight(_text_:s in 5170) [ClassicSimilarity], result of:
0.0037398988 = score(doc=5170,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.08408674 = fieldWeight in 5170, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=5170)
0.0274338 = product of:
0.0548676 = sum of:
0.0548676 = weight(_text_:22 in 5170) [ClassicSimilarity], result of:
0.0548676 = score(doc=5170,freq=4.0), product of:
0.14325272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.040907964 = 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)
0.6 = coord(3/5)
- 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
0.022406504 = product of:
0.05601626 = sum of:
0.048460525 = weight(_text_:u in 2777) [ClassicSimilarity], result of:
0.048460525 = score(doc=2777,freq=2.0), product of:
0.13395084 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.040907964 = 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)
0.007555736 = weight(_text_:s in 2777) [ClassicSimilarity], result of:
0.007555736 = score(doc=2777,freq=4.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.16988087 = fieldWeight in 2777, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=2777)
0.4 = coord(2/5)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.446-456.
- Source
- Online. 18(1994) no.3, S.31-47
-
Tenopir, C.; Wang, P.; Zhang, Y.; Simmons, B.; Pollard, R.: Academic users' interactions with ScienceDirect in search tasks : affective and cognitive behaviors (2008)
0.01
0.011535885 = product of:
0.028839711 = sum of:
0.026168354 = product of:
0.052336708 = sum of:
0.052336708 = weight(_text_:y in 2027) [ClassicSimilarity], result of:
0.052336708 = score(doc=2027,freq=2.0), product of:
0.1968655 = queryWeight, product of:
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.040907964 = queryNorm
0.26585007 = fieldWeight in 2027, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.8124003 = idf(docFreq=976, maxDocs=44218)
0.0390625 = fieldNorm(doc=2027)
0.5 = coord(1/2)
0.0026713563 = weight(_text_:s in 2027) [ClassicSimilarity], result of:
0.0026713563 = score(doc=2027,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.060061958 = fieldWeight in 2027, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2027)
0.4 = coord(2/5)
- Source
- Information processing and management. 44(2008) no.1, S.105-121
-
Tenopir, C.: Reference services from RLG (1995)
0.01
0.010577611 = product of:
0.026444025 = sum of:
0.00427417 = weight(_text_:s in 2612) [ClassicSimilarity], result of:
0.00427417 = score(doc=2612,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.09609913 = fieldWeight in 2612, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=2612)
0.022169856 = product of:
0.044339713 = sum of:
0.044339713 = weight(_text_:22 in 2612) [ClassicSimilarity], result of:
0.044339713 = score(doc=2612,freq=2.0), product of:
0.14325272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.040907964 = 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)
0.4 = coord(2/5)
- Date
- 25.11.1995 19:22:01
- Source
- Library journal. 120(1995) no.8, S.28,30
-
Tenopir, C.: Integrating electronic reference (1995)
0.01
0.010577611 = product of:
0.026444025 = sum of:
0.00427417 = weight(_text_:s in 2616) [ClassicSimilarity], result of:
0.00427417 = score(doc=2616,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.09609913 = fieldWeight in 2616, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=2616)
0.022169856 = product of:
0.044339713 = sum of:
0.044339713 = weight(_text_:22 in 2616) [ClassicSimilarity], result of:
0.044339713 = score(doc=2616,freq=2.0), product of:
0.14325272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.040907964 = 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)
0.4 = coord(2/5)
- Date
- 25.11.1995 19:22:01
- Source
- Library journal. 120(1995) no.6, S.39-40
-
Tenopir, C.; Levine, K.; Allard, S.; Christian, L.; Volentine, R.; Boehm, R.; Nichols, F.; Nicholas, D.; Jamali, H.R.; Herman, E.; Watkinson, A.: Trustworthiness and authority of scholarly information in a digital age : results of an international questionnaire (2016)
0.01
0.010381633 = product of:
0.025954083 = sum of:
0.02142064 = product of:
0.04284128 = sum of:
0.04284128 = weight(_text_:l in 3113) [ClassicSimilarity], result of:
0.04284128 = score(doc=3113,freq=2.0), product of:
0.16259494 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.040907964 = queryNorm
0.26348472 = fieldWeight in 3113, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=3113)
0.5 = coord(1/2)
0.004533442 = weight(_text_:s in 3113) [ClassicSimilarity], result of:
0.004533442 = score(doc=3113,freq=4.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.101928525 = fieldWeight in 3113, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=3113)
0.4 = coord(2/5)
- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.10, S.2344-2361
-
Tenopir, C.; Green, D.: Patterns of use and usage factors for online databases in academic and public libraries (1999)
0.01
0.009850508 = product of:
0.024626268 = sum of:
0.02142064 = product of:
0.04284128 = sum of:
0.04284128 = weight(_text_:l in 6700) [ClassicSimilarity], result of:
0.04284128 = score(doc=6700,freq=2.0), product of:
0.16259494 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.040907964 = queryNorm
0.26348472 = fieldWeight in 6700, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=6700)
0.5 = coord(1/2)
0.0032056274 = weight(_text_:s in 6700) [ClassicSimilarity], result of:
0.0032056274 = score(doc=6700,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.072074346 = fieldWeight in 6700, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=6700)
0.4 = coord(2/5)
- Pages
- S.616-626
- Source
- Knowledge: creation, organization and use. Proceedings of the 62nd Annual Meeting of the American Society for Information Science, 31.10.-4.11.1999. Ed.: L. Woods
-
Tenopir, C.; King, D.W.; Boyce, P.; Grayson, M.; Paulson, K.-L.: Relying an electronic journals : reading patterns of astronomers (2005)
0.01
0.009850508 = product of:
0.024626268 = sum of:
0.02142064 = product of:
0.04284128 = sum of:
0.04284128 = weight(_text_:l in 3558) [ClassicSimilarity], result of:
0.04284128 = score(doc=3558,freq=2.0), product of:
0.16259494 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.040907964 = queryNorm
0.26348472 = fieldWeight in 3558, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=3558)
0.5 = coord(1/2)
0.0032056274 = weight(_text_:s in 3558) [ClassicSimilarity], result of:
0.0032056274 = score(doc=3558,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.072074346 = fieldWeight in 3558, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=3558)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science and Technology. 56(2005) no.8, S.786-802
-
Tenopir, C.; Neufang, R.: Electronic reference options : how they stack up in research libraries (1992)
0.01
0.009255409 = product of:
0.023138523 = sum of:
0.0037398988 = weight(_text_:s in 2343) [ClassicSimilarity], result of:
0.0037398988 = score(doc=2343,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.08408674 = fieldWeight in 2343, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2343)
0.019398624 = product of:
0.03879725 = sum of:
0.03879725 = weight(_text_:22 in 2343) [ClassicSimilarity], result of:
0.03879725 = score(doc=2343,freq=2.0), product of:
0.14325272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.040907964 = 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)
0.4 = coord(2/5)
- Source
- Online. 16(1992) no.2, S.22-28
-
Tenopir, C.; King, D.W.; Edwards, S.; Wu, L.: Electronic journals and changes in scholarly article seeking and reading patterns : the paradox of control (2009)
0.01
0.008651361 = product of:
0.021628402 = sum of:
0.017850535 = product of:
0.03570107 = sum of:
0.03570107 = weight(_text_:l in 2960) [ClassicSimilarity], result of:
0.03570107 = score(doc=2960,freq=2.0), product of:
0.16259494 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.040907964 = queryNorm
0.2195706 = fieldWeight in 2960, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=2960)
0.5 = coord(1/2)
0.003777868 = weight(_text_:s in 2960) [ClassicSimilarity], result of:
0.003777868 = score(doc=2960,freq=4.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.08494043 = fieldWeight in 2960, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2960)
0.4 = coord(2/5)
- Source
- Aslib proceedings. 61(2009) no.1, S.5-32
-
Allard, S.; Levine, K.J.; Tenopir, C.: Design engineers and technical professionals at work : observing information usage in the workplace (2009)
0.01
0.0070536113 = product of:
0.017634029 = sum of:
0.003777868 = weight(_text_:s in 2735) [ClassicSimilarity], result of:
0.003777868 = score(doc=2735,freq=4.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.08494043 = fieldWeight in 2735, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2735)
0.01385616 = product of:
0.02771232 = sum of:
0.02771232 = weight(_text_:22 in 2735) [ClassicSimilarity], result of:
0.02771232 = score(doc=2735,freq=2.0), product of:
0.14325272 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.040907964 = 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)
0.4 = coord(2/5)
- Date
- 22. 3.2009 12:43:37
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.3, S.443-454
-
Tenopir, C.: Full text database retrieval performance (1985)
0.00
0.0021370852 = product of:
0.010685425 = sum of:
0.010685425 = weight(_text_:s in 406) [ClassicSimilarity], result of:
0.010685425 = score(doc=406,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.24024783 = fieldWeight in 406, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.15625 = fieldNorm(doc=406)
0.2 = coord(1/5)
- Source
- Online review. 9(1985), S.149-164
-
Tenopir, C.: Full text databases (1984)
0.00
0.001709668 = product of:
0.00854834 = sum of:
0.00854834 = weight(_text_:s in 398) [ClassicSimilarity], result of:
0.00854834 = score(doc=398,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.19219826 = fieldWeight in 398, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=398)
0.2 = coord(1/5)
- Source
- Annual review of information science and technology. 19(1984), S.215-246
-
Tenopir, C.: ¬The user-system interface (1989)
0.00
0.001709668 = product of:
0.00854834 = sum of:
0.00854834 = weight(_text_:s in 1047) [ClassicSimilarity], result of:
0.00854834 = score(doc=1047,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.19219826 = fieldWeight in 1047, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=1047)
0.2 = coord(1/5)
- Source
- Library journal. 114(1989) no.13, S.80-81
-
Tenopir, C.: Searching by controlled vocabulary or free text (1987)
0.00
0.001709668 = product of:
0.00854834 = sum of:
0.00854834 = weight(_text_:s in 1350) [ClassicSimilarity], result of:
0.00854834 = score(doc=1350,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.19219826 = fieldWeight in 1350, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=1350)
0.2 = coord(1/5)
- Source
- Library journal. 112(1987) Nov.15, S.58-29
-
Lundeen, G.; Tenopir, C.: Text retrieval software for microcomputers and beyond : an overview and a review of four packages (1992)
0.00
0.001709668 = product of:
0.00854834 = sum of:
0.00854834 = weight(_text_:s in 3223) [ClassicSimilarity], result of:
0.00854834 = score(doc=3223,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.19219826 = fieldWeight in 3223, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=3223)
0.2 = coord(1/5)
- Source
- Database. 15(1992) no.4, S.51-63
-
Tenopir, C.: Evaluation criteria for online, CD-ROM (1992)
0.00
0.001709668 = product of:
0.00854834 = sum of:
0.00854834 = weight(_text_:s in 6367) [ClassicSimilarity], result of:
0.00854834 = score(doc=6367,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.19219826 = fieldWeight in 6367, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=6367)
0.2 = coord(1/5)
- Source
- Library journal. 117(1992) no.4, S.66-68
-
Tenopir, C.; Neufang, R.: ¬The impact of electronic reference on reference librarians (1992)
0.00
0.001709668 = product of:
0.00854834 = sum of:
0.00854834 = weight(_text_:s in 6371) [ClassicSimilarity], result of:
0.00854834 = score(doc=6371,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.19219826 = fieldWeight in 6371, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=6371)
0.2 = coord(1/5)
- Source
- Online. 16(1992) no.3, S.54-56,58,60
-
Tenopir, C.: Human or automated, indexing is important (1999)
0.00
0.001709668 = product of:
0.00854834 = sum of:
0.00854834 = weight(_text_:s in 6454) [ClassicSimilarity], result of:
0.00854834 = score(doc=6454,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.19219826 = fieldWeight in 6454, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=6454)
0.2 = coord(1/5)
- Source
- Library journal. 124(1999) no.18, S.34,38
-
Tenopir, C.; Ro, J.S.: Full text databases (1990)
0.00
0.0014959596 = product of:
0.0074797976 = sum of:
0.0074797976 = weight(_text_:s in 1916) [ClassicSimilarity], result of:
0.0074797976 = score(doc=1916,freq=2.0), product of:
0.044476677 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.040907964 = queryNorm
0.16817348 = fieldWeight in 1916, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=1916)
0.2 = coord(1/5)
- Footnote
- Rez. in: Information technology and libraries. 10(1991) S.156-157 (E. Kanter)