Search (2 results, page 1 of 1)

  • × author_ss:"Lancaster, F.W."
  • × year_i:[1970 TO 1980}
  1. Lancaster, F.W.: Vocabulary control in information retrieval systems (1977) 0.01
    0.0072799367 = product of:
      0.054599524 = sum of:
        0.019687383 = weight(_text_:und in 1774) [ClassicSimilarity], result of:
          0.019687383 = score(doc=1774,freq=2.0), product of:
            0.05024829 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.022671467 = queryNorm
            0.39180204 = fieldWeight in 1774, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.125 = fieldNorm(doc=1774)
        0.01048721 = weight(_text_:in in 1774) [ClassicSimilarity], result of:
          0.01048721 = score(doc=1774,freq=4.0), product of:
            0.030838965 = queryWeight, product of:
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.022671467 = queryNorm
            0.34006363 = fieldWeight in 1774, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.125 = fieldNorm(doc=1774)
        0.019687383 = weight(_text_:und in 1774) [ClassicSimilarity], result of:
          0.019687383 = score(doc=1774,freq=2.0), product of:
            0.05024829 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.022671467 = queryNorm
            0.39180204 = fieldWeight in 1774, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.125 = fieldNorm(doc=1774)
        0.004737547 = weight(_text_:s in 1774) [ClassicSimilarity], result of:
          0.004737547 = score(doc=1774,freq=2.0), product of:
            0.024649272 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.022671467 = queryNorm
            0.19219826 = fieldWeight in 1774, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=1774)
      0.13333334 = coord(4/30)
    
    Source
    Advances in librarianship. 7(1977), S.1-40
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  2. Lancaster, F.W.; Gillespie, C.J.: Design and evaluation of information systems (1970) 0.00
    1.5791824E-4 = product of:
      0.004737547 = sum of:
        0.004737547 = weight(_text_:s in 243) [ClassicSimilarity], result of:
          0.004737547 = score(doc=243,freq=2.0), product of:
            0.024649272 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.022671467 = queryNorm
            0.19219826 = fieldWeight in 243, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=243)
      0.033333335 = coord(1/30)
    
    Source
    Annual review of information science and technology. 5(1970), S.33-70