Search (2 results, page 1 of 1)

  • × author_ss:"Brüggemann, R."
  • × theme_ss:"Informationsmittel"
  1. 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 
    0.010689351 = product of:
  0.0641361 = sum of:
    0.0641361 = weight(_text_:internet in 7031) [ClassicSimilarity], result of:
      0.0641361 = score(doc=7031,freq=6.0), product of:
        0.11352337 = queryWeight, product of:
          2.9522398 = idf(docFreq=6276, maxDocs=44218)
          0.038453303 = queryNorm
        0.56495947 = fieldWeight in 7031, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          2.9522398 = idf(docFreq=6276, maxDocs=44218)
          0.078125 = fieldNorm(doc=7031)
  0.16666667 = coord(1/6)
    Theme
    Internet
  2. Voigt, K.; Brüggemann, R.: Evaluation criteria for environmental and chemical databases (1998) 0.00 
    0.0017366307 = product of:
  0.010419784 = sum of:
    0.010419784 = product of:
      0.03125935 = sum of:
        0.03125935 = weight(_text_:22 in 3296) [ClassicSimilarity], result of:
          0.03125935 = score(doc=3296,freq=2.0), product of:
            0.13465692 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.038453303 = 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)
  0.16666667 = coord(1/6)
    Source
    Online and CD-ROM review. 22(1998) no.4, S.247-262

Authors