Search (4 results, page 1 of 1)

  • × theme_ss:"Informationsmittel"
  • × author_ss:"Tenopir, C."
  1. Tenopir, C.; Ennis, L.: ¬The digital reference work of academic libraries (1998) 0.03
    0.03471456 = product of:
      0.06942912 = sum of:
        0.04016114 = weight(_text_:c in 5170) [ClassicSimilarity], result of:
          0.04016114 = score(doc=5170,freq=2.0), product of:
            0.1505424 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.043643 = queryNorm
            0.2667763 = fieldWeight in 5170, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5170)
        0.02926798 = product of:
          0.05853596 = sum of:
            0.05853596 = weight(_text_:22 in 5170) [ClassicSimilarity], result of:
              0.05853596 = score(doc=5170,freq=4.0), product of:
                0.15283036 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043643 = 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(2/4)
    
    Source
    Online. 22(1998) no.4, S.22-28
  2. Tenopir, C.; Neufang, R.: ¬The impact of electronic reference on reference librarians (1992) 0.02
    0.022949224 = product of:
      0.0917969 = sum of:
        0.0917969 = weight(_text_:c in 6371) [ClassicSimilarity], result of:
          0.0917969 = score(doc=6371,freq=2.0), product of:
            0.1505424 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.043643 = queryNorm
            0.6097744 = fieldWeight in 6371, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.125 = fieldNorm(doc=6371)
      0.25 = coord(1/4)
    
  3. Tenopir, C.: Choices for electronic reference (1993) 0.01
    0.014343265 = product of:
      0.05737306 = sum of:
        0.05737306 = weight(_text_:c in 6569) [ClassicSimilarity], result of:
          0.05737306 = score(doc=6569,freq=2.0), product of:
            0.1505424 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.043643 = queryNorm
            0.381109 = fieldWeight in 6569, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.078125 = fieldNorm(doc=6569)
      0.25 = coord(1/4)
    
  4. Tenopir, C.; Green, D.: Patterns of use and usage factors for online databases in academic and public libraries (1999) 0.01
    0.00860596 = product of:
      0.03442384 = sum of:
        0.03442384 = weight(_text_:c in 6700) [ClassicSimilarity], result of:
          0.03442384 = score(doc=6700,freq=2.0), product of:
            0.1505424 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.043643 = queryNorm
            0.22866541 = fieldWeight in 6700, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.046875 = fieldNorm(doc=6700)
      0.25 = coord(1/4)