Search (5 results, page 1 of 1)

  • × author_ss:"Derr, R.L."
  • × year_i:[1980 TO 1990}
  1. Derr, R.L.: ¬The concept of information in ordinary discourse (1985) 0.00 
    0.003083735 = product of:
  0.00616747 = sum of:
    0.00616747 = product of:
      0.01233494 = sum of:
        0.01233494 = weight(_text_:e in 3297) [ClassicSimilarity], result of:
          0.01233494 = score(doc=3297,freq=2.0), product of:
            0.048544887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03377341 = queryNorm
            0.2540935 = fieldWeight in 3297, 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=3297)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  2. Derr, R.L.: ¬A classification of questions in information retrieval by conceptual presupposition (1982) 0.00 
    0.0027256624 = product of:
  0.005451325 = sum of:
    0.005451325 = product of:
      0.01090265 = sum of:
        0.01090265 = weight(_text_:e in 3494) [ClassicSimilarity], result of:
          0.01090265 = score(doc=3494,freq=4.0), product of:
            0.048544887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03377341 = queryNorm
            0.22458905 = fieldWeight in 3494, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.078125 = fieldNorm(doc=3494)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
    Source
    Information interaction : 45th ASIS annual meeting, Columbus, Ohio, Oct. 17 - 21, 1982 / ed. by Anthony E. Petrarca
  3. Derr, R.L.: Questions: definitions, structure, and classification (1985) 0.00 
    0.0015418675 = product of:
  0.003083735 = sum of:
    0.003083735 = product of:
      0.00616747 = sum of:
        0.00616747 = weight(_text_:e in 3199) [ClassicSimilarity], result of:
          0.00616747 = score(doc=3199,freq=2.0), product of:
            0.048544887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03377341 = queryNorm
            0.12704675 = fieldWeight in 3199, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0625 = fieldNorm(doc=3199)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  4. Derr, R.L.: Information seeking expressions of users (1984) 0.00 
    0.0015418675 = product of:
  0.003083735 = sum of:
    0.003083735 = product of:
      0.00616747 = sum of:
        0.00616747 = weight(_text_:e in 3376) [ClassicSimilarity], result of:
          0.00616747 = score(doc=3376,freq=2.0), product of:
            0.048544887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03377341 = queryNorm
            0.12704675 = fieldWeight in 3376, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0625 = fieldNorm(doc=3376)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  5. Derr, R.L.: ¬A conceptual analysis of information need (1983) 0.00 
    0.0015418675 = product of:
  0.003083735 = sum of:
    0.003083735 = product of:
      0.00616747 = sum of:
        0.00616747 = weight(_text_:e in 3378) [ClassicSimilarity], result of:
          0.00616747 = score(doc=3378,freq=2.0), product of:
            0.048544887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03377341 = queryNorm
            0.12704675 = fieldWeight in 3378, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0625 = fieldNorm(doc=3378)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e

Themes