Search (2 results, page 1 of 1)

Did you mean:
author's%3a%22Oehlschl%c3%anger%2c S.%22 2
author's%3a%22Oehlschl%c3%alger%2c S.%22 2
authors%3a%22Oehlschl%c3%anger%2c S.%22 2
author's%3a%22Oehlschl%c3%arger%2c S.%22 2
authors%3a%22Oehlschl%c3%alger%2c S.%22 2

Brookes, B.C.: ¬The measure of information retrieval effectiveness proposed by Swets (1968) 0.00

0.0019700683 = product of:
  0.0039401366 = sum of:
    0.0039401366 = product of:
      0.007880273 = sum of:
        0.007880273 = weight(_text_:s in 3301) [ClassicSimilarity], result of:
          0.007880273 = score(doc=3301,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.19219826 = fieldWeight in 3301, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=3301)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Source: Journal of documentation. 24(1968), S.41-54

Brookes, B.C.: Bradford' law and the bibliography of science (1969) 0.00

0.0019700683 = product of:
  0.0039401366 = sum of:
    0.0039401366 = product of:
      0.007880273 = sum of:
        0.007880273 = weight(_text_:s in 5468) [ClassicSimilarity], result of:
          0.007880273 = score(doc=5468,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.19219826 = fieldWeight in 5468, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=5468)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Source: Nature. 1969, no.224, S.953-956

Search (2 results, page 1 of 1)

Themes