Search (3 results, page 1 of 1)

  • × language_ss:"e"
  • × type_ss:"d"
  • × year_i:[1970 TO 1980}
  1. Fenichel, C.H.: Online information retrieval : identification of measures that discriminate among users with different levels of types of experience (1979) 0.00 
    0.004854633 = product of:
  0.009709266 = sum of:
    0.009709266 = product of:
      0.029127797 = sum of:
        0.029127797 = weight(_text_:d in 5365) [ClassicSimilarity], result of:
          0.029127797 = score(doc=5365,freq=2.0), product of:
            0.0867278 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.045649286 = queryNorm
            0.33585307 = fieldWeight in 5365, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.125 = fieldNorm(doc=5365)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Type
    d
  2. Schabas, A.H.: ¬A comparative evaluation of the retrieval effectiveness of titles, Library of Congress Subject Headings and PRECIS strings for computer searching of UK MARC data (1979) 0.00 
    0.0036409746 = product of:
  0.0072819493 = sum of:
    0.0072819493 = product of:
      0.021845847 = sum of:
        0.021845847 = weight(_text_:d in 5277) [ClassicSimilarity], result of:
          0.021845847 = score(doc=5277,freq=2.0), product of:
            0.0867278 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.045649286 = queryNorm
            0.2518898 = fieldWeight in 5277, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.09375 = fieldNorm(doc=5277)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Type
    d
  3. Tahani, V.: ¬A general conceptual framework for information retrieval systems (1972) 0.00 
    0.0030341456 = product of:
  0.006068291 = sum of:
    0.006068291 = product of:
      0.018204873 = sum of:
        0.018204873 = weight(_text_:d in 70) [ClassicSimilarity], result of:
          0.018204873 = score(doc=70,freq=2.0), product of:
            0.0867278 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.045649286 = queryNorm
            0.20990817 = fieldWeight in 70, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.078125 = fieldNorm(doc=70)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Type
    d

Authors

Themes