Search (2 results, page 1 of 1)

  • × author_ss:"Keen, E.M."
  • × theme_ss:"Retrievalstudien"
  1. Keen, E.M.: Laboratory tests of manual systems (1981) 0.00 
    5.2621565E-4 = product of:
  0.0078932345 = sum of:
    0.0078932345 = product of:
      0.015786469 = sum of:
        0.015786469 = weight(_text_:information in 3152) [ClassicSimilarity], result of:
          0.015786469 = score(doc=3152,freq=2.0), product of:
            0.050870337 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.028978055 = queryNorm
            0.3103276 = fieldWeight in 3152, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.125 = fieldNorm(doc=3152)
      0.5 = coord(1/2)
  0.06666667 = coord(1/15)
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  2. Keen, E.M.: Some aspects of proximity searching in text retrieval systems (1992) 0.00 
    2.6310782E-4 = product of:
  0.0039466172 = sum of:
    0.0039466172 = product of:
      0.0078932345 = sum of:
        0.0078932345 = weight(_text_:information in 6190) [ClassicSimilarity], result of:
          0.0078932345 = score(doc=6190,freq=2.0), product of:
            0.050870337 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.028978055 = queryNorm
            0.1551638 = fieldWeight in 6190, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.0625 = fieldNorm(doc=6190)
      0.5 = coord(1/2)
  0.06666667 = coord(1/15)
    Source
    Journal of information science. 18(1992), S.89-98

Years