Document (#24437)

Author
Wolfram, D.
Dimitroff, A.
Title
Hypertext vs. Boolean-based searching in a bibliographic database environment : a direct comparison of searcher performance
Source
Information processing and management. 34(1998) no.6, S.669-679
Year
1998
Theme
Hypertext
Retrievalstudien

Similar documents (author)

  1. Dimitroff, A.; Wolfram, D.: Searcher response in a hypertext-based bibliographic information retrieval system (1995) 6.17
    6.1698637 = sum of:
      6.1698637 = sum of:
        2.4781618 = weight(author_txt:wolfram in 255) [ClassicSimilarity], result of:
          2.4781618 = score(doc=255,freq=1.0), product of:
            0.6084276 = queryWeight, product of:
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.074689254 = queryNorm
            4.0730596 = fieldWeight in 255, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.5 = fieldNorm(doc=255)
        3.691702 = weight(author_txt:dimitroff in 255) [ClassicSimilarity], result of:
          3.691702 = score(doc=255,freq=1.0), product of:
            0.7936095 = queryWeight, product of:
              1.1420865 = boost
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.074689254 = queryNorm
            4.6517863 = fieldWeight in 255, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.5 = fieldNorm(doc=255)
    
  2. Wolfram, D.; Dimitroff, A.: Preliminary findings on searcher performance and perceptions of performance in a hypertext bibliographic retrieval system (1997) 6.17
    6.1698637 = sum of:
      6.1698637 = sum of:
        2.4781618 = weight(author_txt:wolfram in 2857) [ClassicSimilarity], result of:
          2.4781618 = score(doc=2857,freq=1.0), product of:
            0.6084276 = queryWeight, product of:
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.074689254 = queryNorm
            4.0730596 = fieldWeight in 2857, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.5 = fieldNorm(doc=2857)
        3.691702 = weight(author_txt:dimitroff in 2857) [ClassicSimilarity], result of:
          3.691702 = score(doc=2857,freq=1.0), product of:
            0.7936095 = queryWeight, product of:
              1.1420865 = boost
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.074689254 = queryNorm
            4.6517863 = fieldWeight in 2857, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.5 = fieldNorm(doc=2857)
    
  3. Wolfram, D.; Volz, A.; Dimitroff, A.: ¬The effect of linkage structure on retrieval performance in a hypertext-based bibliographic retrieval system (1996) 4.63
    4.6273975 = sum of:
      4.6273975 = sum of:
        1.8586214 = weight(author_txt:wolfram in 6690) [ClassicSimilarity], result of:
          1.8586214 = score(doc=6690,freq=1.0), product of:
            0.6084276 = queryWeight, product of:
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.074689254 = queryNorm
            3.0547948 = fieldWeight in 6690, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.375 = fieldNorm(doc=6690)
        2.7687762 = weight(author_txt:dimitroff in 6690) [ClassicSimilarity], result of:
          2.7687762 = score(doc=6690,freq=1.0), product of:
            0.7936095 = queryWeight, product of:
              1.1420865 = boost
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.074689254 = queryNorm
            3.4888396 = fieldWeight in 6690, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.375 = fieldNorm(doc=6690)
    
  4. Dimitroff, A.; Wolfram, D.; Volz, A.: Affective response and retrieval performance : analysis of contributing factors (1996) 4.63
    4.6273975 = sum of:
      4.6273975 = sum of:
        1.8586214 = weight(author_txt:wolfram in 164) [ClassicSimilarity], result of:
          1.8586214 = score(doc=164,freq=1.0), product of:
            0.6084276 = queryWeight, product of:
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.074689254 = queryNorm
            3.0547948 = fieldWeight in 164, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.146119 = idf(docFreq=34, maxDocs=44421)
              0.375 = fieldNorm(doc=164)
        2.7687762 = weight(author_txt:dimitroff in 164) [ClassicSimilarity], result of:
          2.7687762 = score(doc=164,freq=1.0), product of:
            0.7936095 = queryWeight, product of:
              1.1420865 = boost
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.074689254 = queryNorm
            3.4888396 = fieldWeight in 164, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.303573 = idf(docFreq=10, maxDocs=44421)
              0.375 = fieldNorm(doc=164)
    
  5. Dimitroff, A.: Mental models theory and search outcome in a bibliographic retrieval system (1992) 2.31
    2.3073137 = sum of:
      2.3073137 = product of:
        4.6146274 = sum of:
          4.6146274 = weight(author_txt:dimitroff in 3314) [ClassicSimilarity], result of:
            4.6146274 = score(doc=3314,freq=1.0), product of:
              0.7936095 = queryWeight, product of:
                1.1420865 = boost
                9.303573 = idf(docFreq=10, maxDocs=44421)
                0.074689254 = queryNorm
              5.814733 = fieldWeight in 3314, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.303573 = idf(docFreq=10, maxDocs=44421)
                0.625 = fieldNorm(doc=3314)
        0.5 = coord(1/2)
    

Similar documents (content)

  1. Dimitroff, A.; Wolfram, D.: Searcher response in a hypertext-based bibliographic information retrieval system (1995) 0.40
    0.40264755 = sum of:
      0.40264755 = product of:
        1.1072807 = sum of:
          0.052848384 = weight(abstract_txt:based in 255) [ClassicSimilarity], result of:
            0.052848384 = score(doc=255,freq=2.0), product of:
              0.10733758 = queryWeight, product of:
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.033721346 = queryNorm
              0.49235678 = fieldWeight in 255, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.109375 = fieldNorm(doc=255)
          0.124085106 = weight(abstract_txt:bibliographic in 255) [ClassicSimilarity], result of:
            0.124085106 = score(doc=255,freq=2.0), product of:
              0.18961692 = queryWeight, product of:
                1.3291153 = boost
                4.230674 = idf(docFreq=1755, maxDocs=44421)
                0.033721346 = queryNorm
              0.6543989 = fieldWeight in 255, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.230674 = idf(docFreq=1755, maxDocs=44421)
                0.109375 = fieldNorm(doc=255)
          0.30035713 = weight(abstract_txt:hypertext in 255) [ClassicSimilarity], result of:
            0.30035713 = score(doc=255,freq=2.0), product of:
              0.3418398 = queryWeight, product of:
                1.7845775 = boost
                5.6804442 = idf(docFreq=411, maxDocs=44421)
                0.033721346 = queryNorm
              0.8786489 = fieldWeight in 255, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6804442 = idf(docFreq=411, maxDocs=44421)
                0.109375 = fieldNorm(doc=255)
          0.62999016 = weight(abstract_txt:searcher in 255) [ClassicSimilarity], result of:
            0.62999016 = score(doc=255,freq=3.0), product of:
              0.48931596 = queryWeight, product of:
                2.1351027 = boost
                6.7961926 = idf(docFreq=134, maxDocs=44421)
                0.033721346 = queryNorm
              1.2874916 = fieldWeight in 255, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.7961926 = idf(docFreq=134, maxDocs=44421)
                0.109375 = fieldNorm(doc=255)
        0.36363637 = coord(4/11)
    
  2. Wolfram, D.; Dimitroff, A.: Preliminary findings on searcher performance and perceptions of performance in a hypertext bibliographic retrieval system (1997) 0.40
    0.39873248 = sum of:
      0.39873248 = product of:
        0.87721145 = sum of:
          0.032030962 = weight(abstract_txt:based in 2857) [ClassicSimilarity], result of:
            0.032030962 = score(doc=2857,freq=1.0), product of:
              0.10733758 = queryWeight, product of:
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.033721346 = queryNorm
              0.2984133 = fieldWeight in 2857, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.09375 = fieldNorm(doc=2857)
          0.10635867 = weight(abstract_txt:bibliographic in 2857) [ClassicSimilarity], result of:
            0.10635867 = score(doc=2857,freq=2.0), product of:
              0.18961692 = queryWeight, product of:
                1.3291153 = boost
                4.230674 = idf(docFreq=1755, maxDocs=44421)
                0.033721346 = queryNorm
              0.5609134 = fieldWeight in 2857, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.230674 = idf(docFreq=1755, maxDocs=44421)
                0.09375 = fieldNorm(doc=2857)
          0.16960861 = weight(abstract_txt:performance in 2857) [ClassicSimilarity], result of:
            0.16960861 = score(doc=2857,freq=3.0), product of:
              0.22609797 = queryWeight, product of:
                1.4513509 = boost
                4.619759 = idf(docFreq=1189, maxDocs=44421)
                0.033721346 = queryNorm
              0.7501554 = fieldWeight in 2857, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.619759 = idf(docFreq=1189, maxDocs=44421)
                0.09375 = fieldNorm(doc=2857)
          0.257449 = weight(abstract_txt:hypertext in 2857) [ClassicSimilarity], result of:
            0.257449 = score(doc=2857,freq=2.0), product of:
              0.3418398 = queryWeight, product of:
                1.7845775 = boost
                5.6804442 = idf(docFreq=411, maxDocs=44421)
                0.033721346 = queryNorm
              0.75312763 = fieldWeight in 2857, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6804442 = idf(docFreq=411, maxDocs=44421)
                0.09375 = fieldNorm(doc=2857)
          0.31176427 = weight(abstract_txt:searcher in 2857) [ClassicSimilarity], result of:
            0.31176427 = score(doc=2857,freq=1.0), product of:
              0.48931596 = queryWeight, product of:
                2.1351027 = boost
                6.7961926 = idf(docFreq=134, maxDocs=44421)
                0.033721346 = queryNorm
              0.6371431 = fieldWeight in 2857, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.7961926 = idf(docFreq=134, maxDocs=44421)
                0.09375 = fieldNorm(doc=2857)
        0.45454547 = coord(5/11)
    
  3. Michel, D.A.: What is used during cognitive processing in information retrieval and library searching? : eleven sources of search information (1994) 0.37
    0.3727673 = sum of:
      0.3727673 = product of:
        0.820088 = sum of:
          0.026692467 = weight(abstract_txt:based in 7752) [ClassicSimilarity], result of:
            0.026692467 = score(doc=7752,freq=1.0), product of:
              0.10733758 = queryWeight, product of:
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.033721346 = queryNorm
              0.24867775 = fieldWeight in 7752, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.078125 = fieldNorm(doc=7752)
          0.06495792 = weight(abstract_txt:database in 7752) [ClassicSimilarity], result of:
            0.06495792 = score(doc=7752,freq=1.0), product of:
              0.19419917 = queryWeight, product of:
                1.345079 = boost
                4.2814875 = idf(docFreq=1668, maxDocs=44421)
                0.033721346 = queryNorm
              0.3344912 = fieldWeight in 7752, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2814875 = idf(docFreq=1668, maxDocs=44421)
                0.078125 = fieldNorm(doc=7752)
          0.06517687 = weight(abstract_txt:searching in 7752) [ClassicSimilarity], result of:
            0.06517687 = score(doc=7752,freq=1.0), product of:
              0.1946353 = queryWeight, product of:
                1.3465885 = boost
                4.2862926 = idf(docFreq=1660, maxDocs=44421)
                0.033721346 = queryNorm
              0.3348666 = fieldWeight in 7752, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2862926 = idf(docFreq=1660, maxDocs=44421)
                0.078125 = fieldNorm(doc=7752)
          0.082322404 = weight(abstract_txt:environment in 7752) [ClassicSimilarity], result of:
            0.082322404 = score(doc=7752,freq=1.0), product of:
              0.2274249 = queryWeight, product of:
                1.4556036 = boost
                4.6332955 = idf(docFreq=1173, maxDocs=44421)
                0.033721346 = queryNorm
              0.3619762 = fieldWeight in 7752, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6332955 = idf(docFreq=1173, maxDocs=44421)
                0.078125 = fieldNorm(doc=7752)
          0.5809384 = weight(abstract_txt:searcher in 7752) [ClassicSimilarity], result of:
            0.5809384 = score(doc=7752,freq=5.0), product of:
              0.48931596 = queryWeight, product of:
                2.1351027 = boost
                6.7961926 = idf(docFreq=134, maxDocs=44421)
                0.033721346 = queryNorm
              1.187246 = fieldWeight in 7752, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                6.7961926 = idf(docFreq=134, maxDocs=44421)
                0.078125 = fieldNorm(doc=7752)
        0.45454547 = coord(5/11)
    
  4. Banks, B.: Oracle libraries : multimedia and Windows OPAC (1993) 0.37
    0.37167513 = sum of:
      0.37167513 = product of:
        0.81768525 = sum of:
          0.04270795 = weight(abstract_txt:based in 6432) [ClassicSimilarity], result of:
            0.04270795 = score(doc=6432,freq=1.0), product of:
              0.10733758 = queryWeight, product of:
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.033721346 = queryNorm
              0.3978844 = fieldWeight in 6432, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.125 = fieldNorm(doc=6432)
          0.103932664 = weight(abstract_txt:database in 6432) [ClassicSimilarity], result of:
            0.103932664 = score(doc=6432,freq=1.0), product of:
              0.19419917 = queryWeight, product of:
                1.345079 = boost
                4.2814875 = idf(docFreq=1668, maxDocs=44421)
                0.033721346 = queryNorm
              0.53518593 = fieldWeight in 6432, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2814875 = idf(docFreq=1668, maxDocs=44421)
                0.125 = fieldNorm(doc=6432)
          0.10428298 = weight(abstract_txt:searching in 6432) [ClassicSimilarity], result of:
            0.10428298 = score(doc=6432,freq=1.0), product of:
              0.1946353 = queryWeight, product of:
                1.3465885 = boost
                4.2862926 = idf(docFreq=1660, maxDocs=44421)
                0.033721346 = queryNorm
              0.53578657 = fieldWeight in 6432, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.2862926 = idf(docFreq=1660, maxDocs=44421)
                0.125 = fieldNorm(doc=6432)
          0.24272524 = weight(abstract_txt:hypertext in 6432) [ClassicSimilarity], result of:
            0.24272524 = score(doc=6432,freq=1.0), product of:
              0.3418398 = queryWeight, product of:
                1.7845775 = boost
                5.6804442 = idf(docFreq=411, maxDocs=44421)
                0.033721346 = queryNorm
              0.71005553 = fieldWeight in 6432, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.6804442 = idf(docFreq=411, maxDocs=44421)
                0.125 = fieldNorm(doc=6432)
          0.3240364 = weight(abstract_txt:boolean in 6432) [ClassicSimilarity], result of:
            0.3240364 = score(doc=6432,freq=1.0), product of:
              0.4144529 = queryWeight, product of:
                1.9649961 = boost
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.033721346 = queryNorm
              0.7818413 = fieldWeight in 6432, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.125 = fieldNorm(doc=6432)
        0.45454547 = coord(5/11)
    
  5. Valas, G.: Comparison of some widespread CD-ROM information retrieval software packages (1994) 0.37
    0.3707494 = sum of:
      0.3707494 = product of:
        0.6797072 = sum of:
          0.026692467 = weight(abstract_txt:based in 3419) [ClassicSimilarity], result of:
            0.026692467 = score(doc=3419,freq=1.0), product of:
              0.10733758 = queryWeight, product of:
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.033721346 = queryNorm
              0.24867775 = fieldWeight in 3419, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1830752 = idf(docFreq=5005, maxDocs=44421)
                0.078125 = fieldNorm(doc=3419)
          0.088632226 = weight(abstract_txt:bibliographic in 3419) [ClassicSimilarity], result of:
            0.088632226 = score(doc=3419,freq=2.0), product of:
              0.18961692 = queryWeight, product of:
                1.3291153 = boost
                4.230674 = idf(docFreq=1755, maxDocs=44421)
                0.033721346 = queryNorm
              0.46742782 = fieldWeight in 3419, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.230674 = idf(docFreq=1755, maxDocs=44421)
                0.078125 = fieldNorm(doc=3419)
          0.11288964 = weight(abstract_txt:searching in 3419) [ClassicSimilarity], result of:
            0.11288964 = score(doc=3419,freq=3.0), product of:
              0.1946353 = queryWeight, product of:
                1.3465885 = boost
                4.2862926 = idf(docFreq=1660, maxDocs=44421)
                0.033721346 = queryNorm
              0.580006 = fieldWeight in 3419, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.2862926 = idf(docFreq=1660, maxDocs=44421)
                0.078125 = fieldNorm(doc=3419)
          0.081602976 = weight(abstract_txt:performance in 3419) [ClassicSimilarity], result of:
            0.081602976 = score(doc=3419,freq=1.0), product of:
              0.22609797 = queryWeight, product of:
                1.4513509 = boost
                4.619759 = idf(docFreq=1189, maxDocs=44421)
                0.033721346 = queryNorm
              0.36091867 = fieldWeight in 3419, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.619759 = idf(docFreq=1189, maxDocs=44421)
                0.078125 = fieldNorm(doc=3419)
          0.16736716 = weight(abstract_txt:direct in 3419) [ClassicSimilarity], result of:
            0.16736716 = score(doc=3419,freq=1.0), product of:
              0.36498314 = queryWeight, product of:
                1.8439982 = boost
                5.869585 = idf(docFreq=340, maxDocs=44421)
                0.033721346 = queryNorm
              0.45856133 = fieldWeight in 3419, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.869585 = idf(docFreq=340, maxDocs=44421)
                0.078125 = fieldNorm(doc=3419)
          0.20252274 = weight(abstract_txt:boolean in 3419) [ClassicSimilarity], result of:
            0.20252274 = score(doc=3419,freq=1.0), product of:
              0.4144529 = queryWeight, product of:
                1.9649961 = boost
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.033721346 = queryNorm
              0.4886508 = fieldWeight in 3419, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.25473 = idf(docFreq=231, maxDocs=44421)
                0.078125 = fieldNorm(doc=3419)
        0.54545456 = coord(6/11)