Search (2 results, page 1 of 1)

Belkin, N.J.; Oddy, R.N.; Brooks, H.M.: Ask for information retrieval : Pt.1: Background and theory; Pt.2: Results of a study (1982) 0.02

0.020133736 = product of:
  0.08053494 = sum of:
    0.058445733 = weight(_text_:retrieval in 2590) [ClassicSimilarity], result of:
      0.058445733 = score(doc=2590,freq=2.0), product of:
        0.124912694 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.041294612 = queryNorm
        0.46789268 = fieldWeight in 2590, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.109375 = fieldNorm(doc=2590)
    0.022089208 = weight(_text_:of in 2590) [ClassicSimilarity], result of:
      0.022089208 = score(doc=2590,freq=4.0), product of:
        0.06457475 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.041294612 = queryNorm
        0.34207192 = fieldWeight in 2590, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.109375 = fieldNorm(doc=2590)
  0.25 = coord(2/8)

Source: Journal of documentation. 38(1982), S.61-71 (Pt.1); S.145-191 (Pt.2)

Daniels, P.J.; Brooks, H.M.; Belkin, N.J.: Using problem structures for driving human-computer dialogues (1985) 0.01

0.005218369 = product of:
  0.04174695 = sum of:
    0.04174695 = weight(_text_:retrieval in 1929) [ClassicSimilarity], result of:
      0.04174695 = score(doc=1929,freq=2.0), product of:
        0.124912694 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.041294612 = queryNorm
        0.33420905 = fieldWeight in 1929, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.078125 = fieldNorm(doc=1929)
  0.125 = coord(1/8)

Footnote: Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.135-142.

Search (2 results, page 1 of 1)

Authors