Document (#4528)

Author
Martin, M.
Title
Compact disc media evaluation : what we now know about disc quality
Source
CD-ROM professional. 6(1993) no.2, S.74-77
Year
1993
Abstract
Describes a research project undertaken at the Jet Propulsion Lab., Calif., under contract to NASA through its Planetary Data System, to investigate CD-ROMs for use as primary media for archival data storage. Reports results of quality and longevity tests, conducted by the Data Distribution Laboratory, on 2 of the oldest CD-ROMs in existence as well as samples of other CD recordable media

Similar documents (author)

  1. Martin, G.: Report on the Dewey Decimal Classification editorial Policy Committee (EPC) (1994) 4.58
    4.5796494 = sum of:
      4.5796494 = weight(author_txt:martin in 3418) [ClassicSimilarity], result of:
        4.5796494 = fieldWeight in 3418, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.3274393 = idf(docFreq=78, maxDocs=44218)
          0.625 = fieldNorm(doc=3418)
    
  2. Martin, R.G.: Design considerations for an OPAC workstation : an introduction to specifications and a model configuration (1989) 4.58
    4.5796494 = sum of:
      4.5796494 = weight(author_txt:martin in 4075) [ClassicSimilarity], result of:
        4.5796494 = fieldWeight in 4075, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.3274393 = idf(docFreq=78, maxDocs=44218)
          0.625 = fieldNorm(doc=4075)
    
  3. Martin, R.G.: OPAC workstation evaluation : the third time around (1992) 4.58
    4.5796494 = sum of:
      4.5796494 = weight(author_txt:martin in 4219) [ClassicSimilarity], result of:
        4.5796494 = fieldWeight in 4219, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.3274393 = idf(docFreq=78, maxDocs=44218)
          0.625 = fieldNorm(doc=4219)
    
  4. Martin, B.: Knowledge management (2008) 4.58
    4.5796494 = sum of:
      4.5796494 = weight(author_txt:martin in 4230) [ClassicSimilarity], result of:
        4.5796494 = fieldWeight in 4230, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.3274393 = idf(docFreq=78, maxDocs=44218)
          0.625 = fieldNorm(doc=4230)
    
  5. Martin, L.M.: Evaluating OPACs or, OPACs are reference tools, too! (1992) 4.58
    4.5796494 = sum of:
      4.5796494 = weight(author_txt:martin in 4550) [ClassicSimilarity], result of:
        4.5796494 = fieldWeight in 4550, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.3274393 = idf(docFreq=78, maxDocs=44218)
          0.625 = fieldNorm(doc=4550)
    

Similar documents (content)

  1. Valauskas, E.J.: Alternatives to CD-ROM : issues and prospects (1994) 0.20
    0.1963568 = sum of:
      0.1963568 = product of:
        1.2272301 = sum of:
          0.12914076 = weight(abstract_txt:storage in 711) [ClassicSimilarity], result of:
            0.12914076 = score(doc=711,freq=1.0), product of:
              0.11790012 = queryWeight, product of:
                1.2740103 = boost
                5.8418155 = idf(docFreq=348, maxDocs=44218)
                0.015841397 = queryNorm
              1.0953404 = fieldWeight in 711, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.8418155 = idf(docFreq=348, maxDocs=44218)
                0.1875 = fieldNorm(doc=711)
          0.32091767 = weight(abstract_txt:compact in 711) [ClassicSimilarity], result of:
            0.32091767 = score(doc=711,freq=1.0), product of:
              0.2163056 = queryWeight, product of:
                1.725638 = boost
                7.912698 = idf(docFreq=43, maxDocs=44218)
                0.015841397 = queryNorm
              1.4836309 = fieldWeight in 711, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.912698 = idf(docFreq=43, maxDocs=44218)
                0.1875 = fieldNorm(doc=711)
          0.52086776 = weight(abstract_txt:longevity in 711) [ClassicSimilarity], result of:
            0.52086776 = score(doc=711,freq=1.0), product of:
              0.2987379 = queryWeight, product of:
                2.0279675 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.015841397 = queryNorm
              1.743561 = fieldWeight in 711, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.1875 = fieldNorm(doc=711)
          0.25630388 = weight(abstract_txt:media in 711) [ClassicSimilarity], result of:
            0.25630388 = score(doc=711,freq=1.0), product of:
              0.26854426 = queryWeight, product of:
                3.330308 = boost
                5.090237 = idf(docFreq=739, maxDocs=44218)
                0.015841397 = queryNorm
              0.9544195 = fieldWeight in 711, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.090237 = idf(docFreq=739, maxDocs=44218)
                0.1875 = fieldNorm(doc=711)
        0.16 = coord(4/25)
    
  2. Nicholls, P.: Ten significant CD-ROM developments in 1993 (1994) 0.19
    0.18810812 = sum of:
      0.18810812 = product of:
        1.1756757 = sum of:
          0.10705549 = weight(abstract_txt:distribution in 7971) [ClassicSimilarity], result of:
            0.10705549 = score(doc=7971,freq=2.0), product of:
              0.10820869 = queryWeight, product of:
                1.2205256 = boost
                5.596568 = idf(docFreq=445, maxDocs=44218)
                0.015841397 = queryNorm
              0.9893428 = fieldWeight in 7971, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.596568 = idf(docFreq=445, maxDocs=44218)
                0.125 = fieldNorm(doc=7971)
          0.40038058 = weight(abstract_txt:recordable in 7971) [ClassicSimilarity], result of:
            0.40038058 = score(doc=7971,freq=1.0), product of:
              0.32848448 = queryWeight, product of:
                2.1265385 = boost
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.015841397 = queryNorm
              1.2188722 = fieldWeight in 7971, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.7509775 = idf(docFreq=6, maxDocs=44218)
                0.125 = fieldNorm(doc=7971)
          0.3369122 = weight(abstract_txt:roms in 7971) [ClassicSimilarity], result of:
            0.3369122 = score(doc=7971,freq=2.0), product of:
              0.29278177 = queryWeight, product of:
                2.8392448 = boost
                6.5095015 = idf(docFreq=178, maxDocs=44218)
                0.015841397 = queryNorm
              1.1507281 = fieldWeight in 7971, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.5095015 = idf(docFreq=178, maxDocs=44218)
                0.125 = fieldNorm(doc=7971)
          0.33132744 = weight(abstract_txt:disc in 7971) [ClassicSimilarity], result of:
            0.33132744 = score(doc=7971,freq=1.0), product of:
              0.36479408 = queryWeight, product of:
                3.169237 = boost
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.015841397 = queryNorm
              0.9082588 = fieldWeight in 7971, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.125 = fieldNorm(doc=7971)
        0.16 = coord(4/25)
    
  3. Kleiner, J.P.: End-user searching in the electronic enviroment : a user-evaluation of InfroTrac and Government Publications Index (1989) 0.11
    0.11331913 = sum of:
      0.11331913 = product of:
        0.70824456 = sum of:
          0.06245174 = weight(abstract_txt:reports in 5710) [ClassicSimilarity], result of:
            0.06245174 = score(doc=5710,freq=1.0), product of:
              0.07263875 = queryWeight, product of:
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.015841397 = queryNorm
              0.8597579 = fieldWeight in 5710, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.5853753 = idf(docFreq=1225, maxDocs=44218)
                0.1875 = fieldNorm(doc=5710)
          0.07663201 = weight(abstract_txt:conducted in 5710) [ClassicSimilarity], result of:
            0.07663201 = score(doc=5710,freq=1.0), product of:
              0.08325535 = queryWeight, product of:
                1.0705868 = boost
                4.9090424 = idf(docFreq=886, maxDocs=44218)
                0.015841397 = queryNorm
              0.92044544 = fieldWeight in 5710, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9090424 = idf(docFreq=886, maxDocs=44218)
                0.1875 = fieldNorm(doc=5710)
          0.07216973 = weight(abstract_txt:data in 5710) [ClassicSimilarity], result of:
            0.07216973 = score(doc=5710,freq=1.0), product of:
              0.115367234 = queryWeight, product of:
                2.182819 = boost
                3.3363478 = idf(docFreq=4274, maxDocs=44218)
                0.015841397 = queryNorm
              0.62556523 = fieldWeight in 5710, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.3363478 = idf(docFreq=4274, maxDocs=44218)
                0.1875 = fieldNorm(doc=5710)
          0.49699113 = weight(abstract_txt:disc in 5710) [ClassicSimilarity], result of:
            0.49699113 = score(doc=5710,freq=1.0), product of:
              0.36479408 = queryWeight, product of:
                3.169237 = boost
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.015841397 = queryNorm
              1.3623881 = fieldWeight in 5710, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.1875 = fieldNorm(doc=5710)
        0.16 = coord(4/25)
    
  4. Hendley, T.: Digital mass storage options (1993) 0.11
    0.112749316 = sum of:
      0.112749316 = product of:
        0.93957764 = sum of:
          0.22599633 = weight(abstract_txt:storage in 5080) [ClassicSimilarity], result of:
            0.22599633 = score(doc=5080,freq=9.0), product of:
              0.11790012 = queryWeight, product of:
                1.2740103 = boost
                5.8418155 = idf(docFreq=348, maxDocs=44218)
                0.015841397 = queryNorm
              1.9168457 = fieldWeight in 5080, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                5.8418155 = idf(docFreq=348, maxDocs=44218)
                0.109375 = fieldNorm(doc=5080)
          0.5021414 = weight(abstract_txt:disc in 5080) [ClassicSimilarity], result of:
            0.5021414 = score(doc=5080,freq=3.0), product of:
              0.36479408 = queryWeight, product of:
                3.169237 = boost
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.015841397 = queryNorm
              1.3765066 = fieldWeight in 5080, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.2660704 = idf(docFreq=83, maxDocs=44218)
                0.109375 = fieldNorm(doc=5080)
          0.21143991 = weight(abstract_txt:media in 5080) [ClassicSimilarity], result of:
            0.21143991 = score(doc=5080,freq=2.0), product of:
              0.26854426 = queryWeight, product of:
                3.330308 = boost
                5.090237 = idf(docFreq=739, maxDocs=44218)
                0.015841397 = queryNorm
              0.7873559 = fieldWeight in 5080, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.090237 = idf(docFreq=739, maxDocs=44218)
                0.109375 = fieldNorm(doc=5080)
        0.12 = coord(3/25)
    
  5. Rothenberg, J.: NEDLIB experiment using emulation to preserve digital publications (2001) 0.09
    0.090983085 = sum of:
      0.090983085 = product of:
        0.4549154 = sum of:
          0.029595174 = weight(abstract_txt:investigate in 6014) [ClassicSimilarity], result of:
            0.029595174 = score(doc=6014,freq=1.0), product of:
              0.10039099 = queryWeight, product of:
                1.1756098 = boost
                5.390612 = idf(docFreq=547, maxDocs=44218)
                0.015841397 = queryNorm
              0.2947991 = fieldWeight in 6014, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.390612 = idf(docFreq=547, maxDocs=44218)
                0.0546875 = fieldNorm(doc=6014)
          0.037666056 = weight(abstract_txt:storage in 6014) [ClassicSimilarity], result of:
            0.037666056 = score(doc=6014,freq=1.0), product of:
              0.11790012 = queryWeight, product of:
                1.2740103 = boost
                5.8418155 = idf(docFreq=348, maxDocs=44218)
                0.015841397 = queryNorm
              0.31947428 = fieldWeight in 6014, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.8418155 = idf(docFreq=348, maxDocs=44218)
                0.0546875 = fieldNorm(doc=6014)
          0.0433272 = weight(abstract_txt:undertaken in 6014) [ClassicSimilarity], result of:
            0.0433272 = score(doc=6014,freq=1.0), product of:
              0.12943584 = queryWeight, product of:
                1.3348827 = boost
                6.1209383 = idf(docFreq=263, maxDocs=44218)
                0.015841397 = queryNorm
              0.33473882 = fieldWeight in 6014, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.1209383 = idf(docFreq=263, maxDocs=44218)
                0.0546875 = fieldNorm(doc=6014)
          0.214847 = weight(abstract_txt:longevity in 6014) [ClassicSimilarity], result of:
            0.214847 = score(doc=6014,freq=2.0), product of:
              0.2987379 = queryWeight, product of:
                2.0279675 = boost
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.015841397 = queryNorm
              0.71918225 = fieldWeight in 6014, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                9.298992 = idf(docFreq=10, maxDocs=44218)
                0.0546875 = fieldNorm(doc=6014)
          0.12947996 = weight(abstract_txt:media in 6014) [ClassicSimilarity], result of:
            0.12947996 = score(doc=6014,freq=3.0), product of:
              0.26854426 = queryWeight, product of:
                3.330308 = boost
                5.090237 = idf(docFreq=739, maxDocs=44218)
                0.015841397 = queryNorm
              0.48215503 = fieldWeight in 6014, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.090237 = idf(docFreq=739, maxDocs=44218)
                0.0546875 = fieldNorm(doc=6014)
        0.2 = coord(5/25)