Search (3 results, page 1 of 1)

  • × 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 
    0.0048383637 = product of:
  0.0096767275 = sum of:
    0.0096767275 = product of:
      0.019353455 = sum of:
        0.019353455 = weight(_text_:e in 5365) [ClassicSimilarity], result of:
          0.019353455 = score(doc=5365,freq=2.0), product of:
            0.07616667 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.052990302 = queryNorm
            0.2540935 = fieldWeight in 5365, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=5365)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  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 
    0.0036287727 = product of:
  0.0072575454 = sum of:
    0.0072575454 = product of:
      0.014515091 = sum of:
        0.014515091 = weight(_text_:e in 5277) [ClassicSimilarity], result of:
          0.014515091 = score(doc=5277,freq=2.0), product of:
            0.07616667 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.052990302 = queryNorm
            0.19057012 = fieldWeight in 5277, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=5277)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  3. Tahani, V.: ¬A general conceptual framework for information retrieval systems (1972) 0.00 
    0.0030239774 = product of:
  0.006047955 = sum of:
    0.006047955 = product of:
      0.01209591 = sum of:
        0.01209591 = weight(_text_:e in 70) [ClassicSimilarity], result of:
          0.01209591 = score(doc=70,freq=2.0), product of:
            0.07616667 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.052990302 = queryNorm
            0.15880844 = fieldWeight in 70, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.078125 = fieldNorm(doc=70)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e

Authors

Themes