Document (#16500)

Author
Harry, V.
Oppenheim, C.
Title
Evaluation of electronic databases : pt.2: testing CD-ROM products
Source
Online and CD-ROM review. 17(1993) no.6, S.339-368
Year
1993
Abstract
Describes some evaluations which were carried out using the criteria discussed in pt.1 and set out on standard test forms. The purpose of the criteria was to assess the validity of the criteria and the test forms. Products were chosen from 4 suppliers: 2 major CD-ROM producers; SilverPlatter and W.H. Wilson; and 2 smaller suppliers: CMC ReSearch and Chadwyck-Healey
Footnote
Pt.1 in: 17(1993) no.4, S.211-222. - Vgl. auch: Rowley u. Slack in: Online and CD-ROM review 21(1997) no.1

Similar documents (author)

  1. Oppenheim, C.: Recent EC initiatives on copyright (1993) 5.11
    5.106579 = sum of:
      5.106579 = weight(author_txt:oppenheim in 4279) [ClassicSimilarity], result of:
        5.106579 = fieldWeight in 4279, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.1705265 = idf(docFreq=33, maxDocs=44218)
          0.625 = fieldNorm(doc=4279)
    
  2. Oppenheim, C.: Electronic copyright (1993) 5.11
    5.106579 = sum of:
      5.106579 = weight(author_txt:oppenheim in 6087) [ClassicSimilarity], result of:
        5.106579 = fieldWeight in 6087, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.1705265 = idf(docFreq=33, maxDocs=44218)
          0.625 = fieldNorm(doc=6087)
    
  3. Oppenheim, C.: ¬The applications of virtual reality : pt.1.2 (1993) 5.11
    5.106579 = sum of:
      5.106579 = weight(author_txt:oppenheim in 7244) [ClassicSimilarity], result of:
        5.106579 = fieldWeight in 7244, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.1705265 = idf(docFreq=33, maxDocs=44218)
          0.625 = fieldNorm(doc=7244)
    
  4. Oppenheim, C.: ¬The implications of copyright legislation for electronic access to journal collections (1994) 5.11
    5.106579 = sum of:
      5.106579 = weight(author_txt:oppenheim in 7245) [ClassicSimilarity], result of:
        5.106579 = fieldWeight in 7245, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.1705265 = idf(docFreq=33, maxDocs=44218)
          0.625 = fieldNorm(doc=7245)
    
  5. Oppenheim, C.: ¬The virtual library : some common sense please (1994) 5.11
    5.106579 = sum of:
      5.106579 = weight(author_txt:oppenheim in 8289) [ClassicSimilarity], result of:
        5.106579 = fieldWeight in 8289, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.1705265 = idf(docFreq=33, maxDocs=44218)
          0.625 = fieldNorm(doc=8289)
    

Similar documents (content)

  1. Bosch, V.M.; Hancock-Beaulieu, M.: CD-ROM user interface evaluation : the appropriateness of GUIs (1995) 0.23
    0.22770719 = sum of:
      0.22770719 = product of:
        0.81324 = sum of:
          0.024137016 = weight(abstract_txt:databases in 2734) [ClassicSimilarity], result of:
            0.024137016 = score(doc=2734,freq=1.0), product of:
              0.07001385 = queryWeight, product of:
                1.0306047 = boost
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.015395091 = queryNorm
              0.3447463 = fieldWeight in 2734, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.078125 = fieldNorm(doc=2734)
          0.035864733 = weight(abstract_txt:evaluation in 2734) [ClassicSimilarity], result of:
            0.035864733 = score(doc=2734,freq=2.0), product of:
              0.07235968 = queryWeight, product of:
                1.0477278 = boost
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.015395091 = queryNorm
              0.49564525 = fieldWeight in 2734, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.078125 = fieldNorm(doc=2734)
          0.027300622 = weight(abstract_txt:discussed in 2734) [ClassicSimilarity], result of:
            0.027300622 = score(doc=2734,freq=1.0), product of:
              0.0760052 = queryWeight, product of:
                1.073796 = boost
                4.5976853 = idf(docFreq=1210, maxDocs=44218)
                0.015395091 = queryNorm
              0.35919416 = fieldWeight in 2734, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5976853 = idf(docFreq=1210, maxDocs=44218)
                0.078125 = fieldNorm(doc=2734)
          0.059095833 = weight(abstract_txt:assess in 2734) [ClassicSimilarity], result of:
            0.059095833 = score(doc=2734,freq=1.0), product of:
              0.1271841 = queryWeight, product of:
                1.3890457 = boost
                5.947494 = idf(docFreq=313, maxDocs=44218)
                0.015395091 = queryNorm
              0.46464798 = fieldWeight in 2734, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.947494 = idf(docFreq=313, maxDocs=44218)
                0.078125 = fieldNorm(doc=2734)
          0.26043496 = weight(abstract_txt:chadwyck in 2734) [ClassicSimilarity], result of:
            0.26043496 = score(doc=2734,freq=1.0), product of:
              0.34187007 = queryWeight, product of:
                2.2773547 = boost
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.015395091 = queryNorm
              0.7617951 = fieldWeight in 2734, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.078125 = fieldNorm(doc=2734)
          0.26043496 = weight(abstract_txt:healey in 2734) [ClassicSimilarity], result of:
            0.26043496 = score(doc=2734,freq=1.0), product of:
              0.34187007 = queryWeight, product of:
                2.2773547 = boost
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.015395091 = queryNorm
              0.7617951 = fieldWeight in 2734, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.078125 = fieldNorm(doc=2734)
          0.14597185 = weight(abstract_txt:criteria in 2734) [ClassicSimilarity], result of:
            0.14597185 = score(doc=2734,freq=1.0), product of:
              0.33518255 = queryWeight, product of:
                3.9057233 = boost
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.015395091 = queryNorm
              0.43549955 = fieldWeight in 2734, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.078125 = fieldNorm(doc=2734)
        0.28 = coord(7/25)
    
  2. Cox, A.; Yeates, R.: Library portal solutions (2003) 0.14
    0.14283961 = sum of:
      0.14283961 = product of:
        0.71419805 = sum of:
          0.024978226 = weight(abstract_txt:purpose in 684) [ClassicSimilarity], result of:
            0.024978226 = score(doc=684,freq=1.0), product of:
              0.07163127 = queryWeight, product of:
                1.0424409 = boost
                4.463432 = idf(docFreq=1384, maxDocs=44218)
                0.015395091 = queryNorm
              0.34870562 = fieldWeight in 684, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.463432 = idf(docFreq=1384, maxDocs=44218)
                0.078125 = fieldNorm(doc=684)
          0.025360195 = weight(abstract_txt:evaluation in 684) [ClassicSimilarity], result of:
            0.025360195 = score(doc=684,freq=1.0), product of:
              0.07235968 = queryWeight, product of:
                1.0477278 = boost
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.015395091 = queryNorm
              0.35047412 = fieldWeight in 684, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.078125 = fieldNorm(doc=684)
          0.14011583 = weight(abstract_txt:products in 684) [ClassicSimilarity], result of:
            0.14011583 = score(doc=684,freq=2.0), product of:
              0.2261447 = queryWeight, product of:
                2.6194394 = boost
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.015395091 = queryNorm
              0.61958486 = fieldWeight in 684, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.078125 = fieldNorm(doc=684)
          0.377772 = weight(abstract_txt:suppliers in 684) [ClassicSimilarity], result of:
            0.377772 = score(doc=684,freq=2.0), product of:
              0.43807462 = queryWeight, product of:
                3.6457694 = boost
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.015395091 = queryNorm
              0.86234623 = fieldWeight in 684, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.805067 = idf(docFreq=48, maxDocs=44218)
                0.078125 = fieldNorm(doc=684)
          0.14597185 = weight(abstract_txt:criteria in 684) [ClassicSimilarity], result of:
            0.14597185 = score(doc=684,freq=1.0), product of:
              0.33518255 = queryWeight, product of:
                3.9057233 = boost
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.015395091 = queryNorm
              0.43549955 = fieldWeight in 684, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.078125 = fieldNorm(doc=684)
        0.2 = coord(5/25)
    
  3. Harry, V.; Oppenheim, C.: Evaluation of electronic databases : pt.1: criteria for testing CD-ROM products (1993) 0.14
    0.14232683 = sum of:
      0.14232683 = product of:
        0.88954276 = sum of:
          0.048274033 = weight(abstract_txt:databases in 7429) [ClassicSimilarity], result of:
            0.048274033 = score(doc=7429,freq=1.0), product of:
              0.07001385 = queryWeight, product of:
                1.0306047 = boost
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.015395091 = queryNorm
              0.6894926 = fieldWeight in 7429, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4127526 = idf(docFreq=1456, maxDocs=44218)
                0.15625 = fieldNorm(doc=7429)
          0.13745365 = weight(abstract_txt:testing in 7429) [ClassicSimilarity], result of:
            0.13745365 = score(doc=7429,freq=1.0), product of:
              0.14065196 = queryWeight, product of:
                1.4607403 = boost
                6.2544694 = idf(docFreq=230, maxDocs=44218)
                0.015395091 = queryNorm
              0.9772608 = fieldWeight in 7429, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.2544694 = idf(docFreq=230, maxDocs=44218)
                0.15625 = fieldNorm(doc=7429)
          0.19815372 = weight(abstract_txt:products in 7429) [ClassicSimilarity], result of:
            0.19815372 = score(doc=7429,freq=1.0), product of:
              0.2261447 = queryWeight, product of:
                2.6194394 = boost
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.015395091 = queryNorm
              0.87622535 = fieldWeight in 7429, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.15625 = fieldNorm(doc=7429)
          0.50566137 = weight(abstract_txt:criteria in 7429) [ClassicSimilarity], result of:
            0.50566137 = score(doc=7429,freq=3.0), product of:
              0.33518255 = queryWeight, product of:
                3.9057233 = boost
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.015395091 = queryNorm
              1.5086148 = fieldWeight in 7429, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.15625 = fieldNorm(doc=7429)
        0.16 = coord(4/25)
    
  4. Turner, F.: Selecting a Z39.50 client or Web gateway (1998) 0.12
    0.122572355 = sum of:
      0.122572355 = product of:
        0.51071817 = sum of:
          0.030432235 = weight(abstract_txt:evaluation in 2667) [ClassicSimilarity], result of:
            0.030432235 = score(doc=2667,freq=1.0), product of:
              0.07235968 = queryWeight, product of:
                1.0477278 = boost
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.015395091 = queryNorm
              0.42056894 = fieldWeight in 2667, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.09375 = fieldNorm(doc=2667)
          0.034030873 = weight(abstract_txt:major in 2667) [ClassicSimilarity], result of:
            0.034030873 = score(doc=2667,freq=1.0), product of:
              0.07795718 = queryWeight, product of:
                1.0874974 = boost
                4.6563506 = idf(docFreq=1141, maxDocs=44218)
                0.015395091 = queryNorm
              0.43653286 = fieldWeight in 2667, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6563506 = idf(docFreq=1141, maxDocs=44218)
                0.09375 = fieldNorm(doc=2667)
          0.035563286 = weight(abstract_txt:standard in 2667) [ClassicSimilarity], result of:
            0.035563286 = score(doc=2667,freq=1.0), product of:
              0.080280244 = queryWeight, product of:
                1.1035817 = boost
                4.725219 = idf(docFreq=1065, maxDocs=44218)
                0.015395091 = queryNorm
              0.44298926 = fieldWeight in 2667, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.725219 = idf(docFreq=1065, maxDocs=44218)
                0.09375 = fieldNorm(doc=2667)
          0.116633296 = weight(abstract_txt:testing in 2667) [ClassicSimilarity], result of:
            0.116633296 = score(doc=2667,freq=2.0), product of:
              0.14065196 = queryWeight, product of:
                1.4607403 = boost
                6.2544694 = idf(docFreq=230, maxDocs=44218)
                0.015395091 = queryNorm
              0.82923335 = fieldWeight in 2667, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.2544694 = idf(docFreq=230, maxDocs=44218)
                0.09375 = fieldNorm(doc=2667)
          0.118892245 = weight(abstract_txt:products in 2667) [ClassicSimilarity], result of:
            0.118892245 = score(doc=2667,freq=1.0), product of:
              0.2261447 = queryWeight, product of:
                2.6194394 = boost
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.015395091 = queryNorm
              0.52573526 = fieldWeight in 2667, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.09375 = fieldNorm(doc=2667)
          0.17516622 = weight(abstract_txt:criteria in 2667) [ClassicSimilarity], result of:
            0.17516622 = score(doc=2667,freq=1.0), product of:
              0.33518255 = queryWeight, product of:
                3.9057233 = boost
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.015395091 = queryNorm
              0.52259946 = fieldWeight in 2667, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.09375 = fieldNorm(doc=2667)
        0.24 = coord(6/25)
    
  5. Stoker, D.; Cooke, A.: Evaluation of networked information sources (1995) 0.10
    0.096859254 = sum of:
      0.096859254 = product of:
        0.48429626 = sum of:
          0.022049928 = weight(abstract_txt:electronic in 1692) [ClassicSimilarity], result of:
            0.022049928 = score(doc=1692,freq=1.0), product of:
              0.06591734 = queryWeight, product of:
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.015395091 = queryNorm
              0.33450875 = fieldWeight in 1692, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.281712 = idf(docFreq=1660, maxDocs=44218)
                0.078125 = fieldNorm(doc=1692)
          0.043925148 = weight(abstract_txt:evaluation in 1692) [ClassicSimilarity], result of:
            0.043925148 = score(doc=1692,freq=3.0), product of:
              0.07235968 = queryWeight, product of:
                1.0477278 = boost
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.015395091 = queryNorm
              0.607039 = fieldWeight in 1692, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.4860687 = idf(docFreq=1353, maxDocs=44218)
                0.078125 = fieldNorm(doc=1692)
          0.027300622 = weight(abstract_txt:discussed in 1692) [ClassicSimilarity], result of:
            0.027300622 = score(doc=1692,freq=1.0), product of:
              0.0760052 = queryWeight, product of:
                1.073796 = boost
                4.5976853 = idf(docFreq=1210, maxDocs=44218)
                0.015395091 = queryNorm
              0.35919416 = fieldWeight in 1692, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5976853 = idf(docFreq=1210, maxDocs=44218)
                0.078125 = fieldNorm(doc=1692)
          0.09907686 = weight(abstract_txt:products in 1692) [ClassicSimilarity], result of:
            0.09907686 = score(doc=1692,freq=1.0), product of:
              0.2261447 = queryWeight, product of:
                2.6194394 = boost
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.015395091 = queryNorm
              0.43811268 = fieldWeight in 1692, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.6078424 = idf(docFreq=440, maxDocs=44218)
                0.078125 = fieldNorm(doc=1692)
          0.2919437 = weight(abstract_txt:criteria in 1692) [ClassicSimilarity], result of:
            0.2919437 = score(doc=1692,freq=4.0), product of:
              0.33518255 = queryWeight, product of:
                3.9057233 = boost
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.015395091 = queryNorm
              0.8709991 = fieldWeight in 1692, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.574394 = idf(docFreq=455, maxDocs=44218)
                0.078125 = fieldNorm(doc=1692)
        0.2 = coord(5/25)