Search (3 results, page 1 of 1)

  • × author_ss:"Voigt, K."
  • × theme_ss:"Informationsmittel"
  1. Voigt, K.; Brüggemann, R.: Evaluation criteria for environmental and chemical databases (1998) 0.01
    0.009337518 = product of:
      0.018675037 = sum of:
        0.018675037 = product of:
          0.037350073 = sum of:
            0.037350073 = weight(_text_:22 in 3296) [ClassicSimilarity], result of:
              0.037350073 = score(doc=3296,freq=2.0), product of:
                0.16089413 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045945734 = queryNorm
                0.23214069 = fieldWeight in 3296, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3296)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Online and CD-ROM review. 22(1998) no.4, S.247-262
  2. Voigt, K.: Information über Information : CD-ROM und Online-Datenbanken im Bereich Umweltschutz (1995) 0.01
    0.0064130835 = product of:
      0.012826167 = sum of:
        0.012826167 = product of:
          0.025652334 = sum of:
            0.025652334 = weight(_text_:d in 2783) [ClassicSimilarity], result of:
              0.025652334 = score(doc=2783,freq=2.0), product of:
                0.08729101 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045945734 = queryNorm
                0.29387143 = fieldWeight in 2783, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2783)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    d
  3. Voigt, K.; Benz, J.: Umweltschutz im Internet : Datenquellen zu ökologischen und chemischen Fragestellungen (1996) 0.01
    0.0054969285 = product of:
      0.010993857 = sum of:
        0.010993857 = product of:
          0.021987714 = sum of:
            0.021987714 = weight(_text_:d in 4904) [ClassicSimilarity], result of:
              0.021987714 = score(doc=4904,freq=2.0), product of:
                0.08729101 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045945734 = queryNorm
                0.2518898 = fieldWeight in 4904, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.09375 = fieldNorm(doc=4904)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    d

Languages