Search (3 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) 0.02 
    0.015271729 = product of:
  0.030543458 = sum of:
    0.030543458 = product of:
      0.061086915 = sum of:
        0.061086915 = weight(_text_:j in 4904) [ClassicSimilarity], result of:
          0.061086915 = score(doc=4904,freq=2.0), product of:
            0.14500295 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.045634337 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  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 
    0.01272644 = product of:
  0.02545288 = sum of:
    0.02545288 = product of:
      0.05090576 = sum of:
        0.05090576 = weight(_text_:j in 7031) [ClassicSimilarity], result of:
          0.05090576 = score(doc=7031,freq=2.0), product of:
            0.14500295 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.045634337 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Voigt, K.; Brüggemann, R.: Evaluation criteria for environmental and chemical databases (1998) 0.01 
    0.009274234 = product of:
  0.018548468 = sum of:
    0.018548468 = product of:
      0.037096936 = sum of:
        0.037096936 = weight(_text_:22 in 3296) [ClassicSimilarity], result of:
          0.037096936 = score(doc=3296,freq=2.0), product of:
            0.15980367 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045634337 = 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

Authors

Languages