Document (#4604)

Author
Lynch, C.A.
Title
Response time measurement and performance analysis in public access information retrieval systems
Source
Information technology and libraries. 7(1988), S.177-183
Year
1988
Theme
OPAC

Similar documents (author)

  1. Lynch, C.A.: ¬The use of heuristics in user interfaces for online information retrieval systems (1987) 4.95
    4.953263 = sum of:
      4.953263 = weight(author_txt:lynch in 2236) [ClassicSimilarity], result of:
        4.953263 = score(doc=2236,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.12617944 = queryNorm
          4.9532633 = fieldWeight in 2236, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.625 = fieldNorm(doc=2236)
    
  2. Lynch, C.A.: ¬The MELVYL system : looking back, looking forward (1992) 4.95
    4.953263 = sum of:
      4.953263 = weight(author_txt:lynch in 2252) [ClassicSimilarity], result of:
        4.953263 = score(doc=2252,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.12617944 = queryNorm
          4.9532633 = fieldWeight in 2252, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.625 = fieldNorm(doc=2252)
    
  3. Lynch, M.J.: Access technology in academic libraries (1992) 4.95
    4.953263 = sum of:
      4.953263 = weight(author_txt:lynch in 2344) [ClassicSimilarity], result of:
        4.953263 = score(doc=2344,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.12617944 = queryNorm
          4.9532633 = fieldWeight in 2344, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.625 = fieldNorm(doc=2344)
    
  4. Lynch, C.A.: Subject access in MELVYL : reducing search results to manageable size (1990) 4.95
    4.953263 = sum of:
      4.953263 = weight(author_txt:lynch in 2681) [ClassicSimilarity], result of:
        4.953263 = score(doc=2681,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.12617944 = queryNorm
          4.9532633 = fieldWeight in 2681, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.625 = fieldNorm(doc=2681)
    
  5. Lynch, C.A.: ¬The next generation of public access information retrieval systems for research libraries : lessons from ten years of the MELVYL system (1992) 4.95
    4.953263 = sum of:
      4.953263 = weight(author_txt:lynch in 2971) [ClassicSimilarity], result of:
        4.953263 = score(doc=2971,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.12617944 = queryNorm
          4.9532633 = fieldWeight in 2971, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.925221 = idf(docFreq=41, maxDocs=42740)
            0.625 = fieldNorm(doc=2971)
    

Similar documents (content)

  1. O'Brien, A.: Relevance as an aid to evaluation in OPACs (1990) 0.64
    0.64393944 = sum of:
      0.64393944 = product of:
        0.9199135 = sum of:
          0.02560626 = weight(abstract_txt:information in 2133) [ClassicSimilarity], result of:
            0.02560626 = score(doc=2133,freq=2.0), product of:
              0.07947581 = queryWeight, product of:
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.032704696 = queryNorm
              0.32218933 = fieldWeight in 2133, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.09375 = fieldNorm(doc=2133)
          0.10046501 = weight(abstract_txt:systems in 2133) [ClassicSimilarity], result of:
            0.10046501 = score(doc=2133,freq=4.0), product of:
              0.15691729 = queryWeight, product of:
                1.4051346 = boost
                3.414623 = idf(docFreq=3820, maxDocs=42740)
                0.032704696 = queryNorm
              0.6402418 = fieldWeight in 2133, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.414623 = idf(docFreq=3820, maxDocs=42740)
                0.09375 = fieldNorm(doc=2133)
          0.05247972 = weight(abstract_txt:retrieval in 2133) [ClassicSimilarity], result of:
            0.05247972 = score(doc=2133,freq=1.0), product of:
              0.16156301 = queryWeight, product of:
                1.4257832 = boost
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.032704696 = queryNorm
              0.3248251 = fieldWeight in 2133, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.09375 = fieldNorm(doc=2133)
          0.061430372 = weight(abstract_txt:access in 2133) [ClassicSimilarity], result of:
            0.061430372 = score(doc=2133,freq=1.0), product of:
              0.17944705 = queryWeight, product of:
                1.5026252 = boost
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.032704696 = queryNorm
              0.34233147 = fieldWeight in 2133, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6515355 = idf(docFreq=3014, maxDocs=42740)
                0.09375 = fieldNorm(doc=2133)
          0.124466635 = weight(abstract_txt:public in 2133) [ClassicSimilarity], result of:
            0.124466635 = score(doc=2133,freq=1.0), product of:
              0.28733125 = queryWeight, product of:
                1.901402 = boost
                4.6206045 = idf(docFreq=1143, maxDocs=42740)
                0.032704696 = queryNorm
              0.43318167 = fieldWeight in 2133, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6206045 = idf(docFreq=1143, maxDocs=42740)
                0.09375 = fieldNorm(doc=2133)
          0.12626074 = weight(abstract_txt:performance in 2133) [ClassicSimilarity], result of:
            0.12626074 = score(doc=2133,freq=1.0), product of:
              0.2900858 = queryWeight, product of:
                1.9104942 = boost
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.032704696 = queryNorm
              0.43525308 = fieldWeight in 2133, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.09375 = fieldNorm(doc=2133)
          0.42920476 = weight(abstract_txt:measurement in 2133) [ClassicSimilarity], result of:
            0.42920476 = score(doc=2133,freq=1.0), product of:
              0.65582895 = queryWeight, product of:
                2.8726175 = boost
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.032704696 = queryNorm
              0.6544462 = fieldWeight in 2133, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.09375 = fieldNorm(doc=2133)
        0.7 = coord(7/10)
    
  2. Pillai, C.V.R.; Girijakumari, S.: Widening horizons of informetrics (1996) 0.41
    0.40650108 = sum of:
      0.40650108 = product of:
        0.81300217 = sum of:
          0.029873967 = weight(abstract_txt:information in 242) [ClassicSimilarity], result of:
            0.029873967 = score(doc=242,freq=2.0), product of:
              0.07947581 = queryWeight, product of:
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.032704696 = queryNorm
              0.37588754 = fieldWeight in 242, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.109375 = fieldNorm(doc=242)
          0.061226346 = weight(abstract_txt:retrieval in 242) [ClassicSimilarity], result of:
            0.061226346 = score(doc=242,freq=1.0), product of:
              0.16156301 = queryWeight, product of:
                1.4257832 = boost
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.032704696 = queryNorm
              0.37896264 = fieldWeight in 242, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.109375 = fieldNorm(doc=242)
          0.07385882 = weight(abstract_txt:analysis in 242) [ClassicSimilarity], result of:
            0.07385882 = score(doc=242,freq=1.0), product of:
              0.18308438 = queryWeight, product of:
                1.5177777 = boost
                3.6883576 = idf(docFreq=2905, maxDocs=42740)
                0.032704696 = queryNorm
              0.4034141 = fieldWeight in 242, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6883576 = idf(docFreq=2905, maxDocs=42740)
                0.109375 = fieldNorm(doc=242)
          0.14730419 = weight(abstract_txt:performance in 242) [ClassicSimilarity], result of:
            0.14730419 = score(doc=242,freq=1.0), product of:
              0.2900858 = queryWeight, product of:
                1.9104942 = boost
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.032704696 = queryNorm
              0.5077953 = fieldWeight in 242, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.109375 = fieldNorm(doc=242)
          0.50073886 = weight(abstract_txt:measurement in 242) [ClassicSimilarity], result of:
            0.50073886 = score(doc=242,freq=1.0), product of:
              0.65582895 = queryWeight, product of:
                2.8726175 = boost
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.032704696 = queryNorm
              0.76352054 = fieldWeight in 242, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.109375 = fieldNorm(doc=242)
        0.5 = coord(5/10)
    
  3. Fidel, R.: ¬The image retrieval task : implications for the design and evaluation of image databases (1997) 0.40
    0.40462795 = sum of:
      0.40462795 = product of:
        0.8092559 = sum of:
          0.015088633 = weight(abstract_txt:information in 3886) [ClassicSimilarity], result of:
            0.015088633 = score(doc=3886,freq=1.0), product of:
              0.07947581 = queryWeight, product of:
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.032704696 = queryNorm
              0.18985188 = fieldWeight in 3886, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.078125 = fieldNorm(doc=3886)
          0.10712379 = weight(abstract_txt:retrieval in 3886) [ClassicSimilarity], result of:
            0.10712379 = score(doc=3886,freq=6.0), product of:
              0.16156301 = queryWeight, product of:
                1.4257832 = boost
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.032704696 = queryNorm
              0.66304654 = fieldWeight in 3886, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.078125 = fieldNorm(doc=3886)
          0.07600358 = weight(abstract_txt:time in 3886) [ClassicSimilarity], result of:
            0.07600358 = score(doc=3886,freq=1.0), product of:
              0.2335381 = queryWeight, product of:
                1.7141995 = boost
                4.1656833 = idf(docFreq=1802, maxDocs=42740)
                0.032704696 = queryNorm
              0.325444 = fieldWeight in 3886, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1656833 = idf(docFreq=1802, maxDocs=42740)
                0.078125 = fieldNorm(doc=3886)
          0.105217285 = weight(abstract_txt:performance in 3886) [ClassicSimilarity], result of:
            0.105217285 = score(doc=3886,freq=1.0), product of:
              0.2900858 = queryWeight, product of:
                1.9104942 = boost
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.032704696 = queryNorm
              0.36271092 = fieldWeight in 3886, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.078125 = fieldNorm(doc=3886)
          0.5058226 = weight(abstract_txt:measurement in 3886) [ClassicSimilarity], result of:
            0.5058226 = score(doc=3886,freq=2.0), product of:
              0.65582895 = queryWeight, product of:
                2.8726175 = boost
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.032704696 = queryNorm
              0.7712722 = fieldWeight in 3886, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.078125 = fieldNorm(doc=3886)
        0.5 = coord(5/10)
    
  4. Mowshowitz, A.; Kawaguchi, A.: Measuring search engine bias (2005) 0.40
    0.40163636 = sum of:
      0.40163636 = product of:
        0.8032727 = sum of:
          0.043733105 = weight(abstract_txt:retrieval in 3046) [ClassicSimilarity], result of:
            0.043733105 = score(doc=3046,freq=1.0), product of:
              0.16156301 = queryWeight, product of:
                1.4257832 = boost
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.032704696 = queryNorm
              0.2706876 = fieldWeight in 3046, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.078125 = fieldNorm(doc=3046)
          0.07600358 = weight(abstract_txt:time in 3046) [ClassicSimilarity], result of:
            0.07600358 = score(doc=3046,freq=1.0), product of:
              0.2335381 = queryWeight, product of:
                1.7141995 = boost
                4.1656833 = idf(docFreq=1802, maxDocs=42740)
                0.032704696 = queryNorm
              0.325444 = fieldWeight in 3046, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1656833 = idf(docFreq=1802, maxDocs=42740)
                0.078125 = fieldNorm(doc=3046)
          0.105217285 = weight(abstract_txt:performance in 3046) [ClassicSimilarity], result of:
            0.105217285 = score(doc=3046,freq=1.0), product of:
              0.2900858 = queryWeight, product of:
                1.9104942 = boost
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.032704696 = queryNorm
              0.36271092 = fieldWeight in 3046, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.078125 = fieldNorm(doc=3046)
          0.22064807 = weight(abstract_txt:response in 3046) [ClassicSimilarity], result of:
            0.22064807 = score(doc=3046,freq=1.0), product of:
              0.47526425 = queryWeight, product of:
                2.445401 = boost
                5.942579 = idf(docFreq=304, maxDocs=42740)
                0.032704696 = queryNorm
              0.46426398 = fieldWeight in 3046, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.942579 = idf(docFreq=304, maxDocs=42740)
                0.078125 = fieldNorm(doc=3046)
          0.35767063 = weight(abstract_txt:measurement in 3046) [ClassicSimilarity], result of:
            0.35767063 = score(doc=3046,freq=1.0), product of:
              0.65582895 = queryWeight, product of:
                2.8726175 = boost
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.032704696 = queryNorm
              0.54537183 = fieldWeight in 3046, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.078125 = fieldNorm(doc=3046)
        0.5 = coord(5/10)
    
  5. Baillie, M.; Azzopardi, L.; Ruthven, I.: Evaluating epistemic uncertainty under incomplete assessments (2008) 0.39
    0.3948182 = sum of:
      0.3948182 = product of:
        0.6580303 = sum of:
          0.021338547 = weight(abstract_txt:information in 4066) [ClassicSimilarity], result of:
            0.021338547 = score(doc=4066,freq=2.0), product of:
              0.07947581 = queryWeight, product of:
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.032704696 = queryNorm
              0.2684911 = fieldWeight in 4066, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.430104 = idf(docFreq=10226, maxDocs=42740)
                0.078125 = fieldNorm(doc=4066)
          0.059199575 = weight(abstract_txt:systems in 4066) [ClassicSimilarity], result of:
            0.059199575 = score(doc=4066,freq=2.0), product of:
              0.15691729 = queryWeight, product of:
                1.4051346 = boost
                3.414623 = idf(docFreq=3820, maxDocs=42740)
                0.032704696 = queryNorm
              0.3772661 = fieldWeight in 4066, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.414623 = idf(docFreq=3820, maxDocs=42740)
                0.078125 = fieldNorm(doc=4066)
          0.061847948 = weight(abstract_txt:retrieval in 4066) [ClassicSimilarity], result of:
            0.061847948 = score(doc=4066,freq=2.0), product of:
              0.16156301 = queryWeight, product of:
                1.4257832 = boost
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.032704696 = queryNorm
              0.3828101 = fieldWeight in 4066, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4648013 = idf(docFreq=3633, maxDocs=42740)
                0.078125 = fieldNorm(doc=4066)
          0.052756302 = weight(abstract_txt:analysis in 4066) [ClassicSimilarity], result of:
            0.052756302 = score(doc=4066,freq=1.0), product of:
              0.18308438 = queryWeight, product of:
                1.5177777 = boost
                3.6883576 = idf(docFreq=2905, maxDocs=42740)
                0.032704696 = queryNorm
              0.28815293 = fieldWeight in 4066, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6883576 = idf(docFreq=2905, maxDocs=42740)
                0.078125 = fieldNorm(doc=4066)
          0.105217285 = weight(abstract_txt:performance in 4066) [ClassicSimilarity], result of:
            0.105217285 = score(doc=4066,freq=1.0), product of:
              0.2900858 = queryWeight, product of:
                1.9104942 = boost
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.032704696 = queryNorm
              0.36271092 = fieldWeight in 4066, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6426997 = idf(docFreq=1118, maxDocs=42740)
                0.078125 = fieldNorm(doc=4066)
          0.35767063 = weight(abstract_txt:measurement in 4066) [ClassicSimilarity], result of:
            0.35767063 = score(doc=4066,freq=1.0), product of:
              0.65582895 = queryWeight, product of:
                2.8726175 = boost
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.032704696 = queryNorm
              0.54537183 = fieldWeight in 4066, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.980759 = idf(docFreq=107, maxDocs=42740)
                0.078125 = fieldNorm(doc=4066)
        0.6 = coord(6/10)