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) 0.00 
    0.0030150786 = product of:
  0.006030157 = sum of:
    0.006030157 = product of:
      0.012060314 = sum of:
        0.012060314 = weight(_text_:a in 1774) [ClassicSimilarity], result of:
          0.012060314 = score(doc=1774,freq=2.0), product of:
            0.059167966 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.051314447 = queryNorm
            0.20383182 = fieldWeight in 1774, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=1774)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Type
    a
  2. Lancaster, F.W.; Gillespie, C.J.: Design and evaluation of information systems (1970) 0.00 
    0.0030150786 = product of:
  0.006030157 = sum of:
    0.006030157 = product of:
      0.012060314 = sum of:
        0.012060314 = weight(_text_:a in 243) [ClassicSimilarity], result of:
          0.012060314 = score(doc=243,freq=2.0), product of:
            0.059167966 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.051314447 = queryNorm
            0.20383182 = fieldWeight in 243, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=243)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Type
    a