Search (4 results, page 1 of 1)

  • × author_ss:"Voigt, K."
  • × theme_ss:"Informationsmittel"
  1. Voigt, K.; Benz, J.: Umweltschutz im Internet : Datenquellen zu ökologischen und chemischen Fragestellungen (1996) 0.03
    0.032601938 = product of:
      0.065203875 = sum of:
        0.065203875 = product of:
          0.097805806 = sum of:
            0.037107762 = weight(_text_:h in 4904) [ClassicSimilarity], result of:
              0.037107762 = score(doc=4904,freq=2.0), product of:
                0.11265446 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.04534384 = queryNorm
                0.32939452 = fieldWeight in 4904, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.09375 = fieldNorm(doc=4904)
            0.060698044 = weight(_text_:j in 4904) [ClassicSimilarity], result of:
              0.060698044 = score(doc=4904,freq=2.0), product of:
                0.14407988 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04534384 = queryNorm
                0.4212805 = fieldWeight in 4904, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.09375 = fieldNorm(doc=4904)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Cogito. 12(1996) H.2, S.5-11
  2. Voigt, K.; Benz, J.; Brüggemann, R.: ¬The Internet as an information source for environmental chemicals : first results of the evaluation of the metadatabase of Internet resources (1996) 0.01
    0.0084302835 = product of:
      0.016860567 = sum of:
        0.016860567 = product of:
          0.0505817 = sum of:
            0.0505817 = weight(_text_:j in 7031) [ClassicSimilarity], result of:
              0.0505817 = score(doc=7031,freq=2.0), product of:
                0.14407988 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04534384 = queryNorm
                0.35106707 = fieldWeight in 7031, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.078125 = fieldNorm(doc=7031)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  3. Voigt, K.: Information über Information : CD-ROM und Online-Datenbanken im Bereich Umweltschutz (1995) 0.01
    0.007215399 = product of:
      0.014430798 = sum of:
        0.014430798 = product of:
          0.043292392 = sum of:
            0.043292392 = weight(_text_:h in 2783) [ClassicSimilarity], result of:
              0.043292392 = score(doc=2783,freq=2.0), product of:
                0.11265446 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.04534384 = queryNorm
                0.38429362 = fieldWeight in 2783, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2783)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Cogito. 11(1995) H.6, S.12-15
  4. Voigt, K.; Brüggemann, R.: Evaluation criteria for environmental and chemical databases (1998) 0.01
    0.0061434647 = product of:
      0.012286929 = sum of:
        0.012286929 = product of:
          0.036860786 = sum of:
            0.036860786 = weight(_text_:22 in 3296) [ClassicSimilarity], result of:
              0.036860786 = score(doc=3296,freq=2.0), product of:
                0.1587864 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04534384 = 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)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Online and CD-ROM review. 22(1998) no.4, S.247-262

Languages