Search (7 results, page 1 of 1)

  • × author_ss:"Robertson, A.M."
  1. Jones, G.; Robertson, A.M.; Willett, P.: ¬An introduction to genetic algorithms and to their use in information retrieval (1994) 0.03
    0.030980783 = product of:
      0.061961565 = sum of:
        0.061961565 = product of:
          0.12392313 = sum of:
            0.12392313 = weight(_text_:a.m in 7415) [ClassicSimilarity], result of:
              0.12392313 = score(doc=7415,freq=2.0), product of:
                0.2502143 = queryWeight, product of:
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.044654675 = queryNorm
                0.49526796 = fieldWeight in 7415, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.0625 = fieldNorm(doc=7415)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Robertson, A.M.; Willett, P.: Identification of word-variants in historical text databases : report for the period October 1990 to September 1992 (1994) 0.03
    0.030980783 = product of:
      0.061961565 = sum of:
        0.061961565 = product of:
          0.12392313 = sum of:
            0.12392313 = weight(_text_:a.m in 939) [ClassicSimilarity], result of:
              0.12392313 = score(doc=939,freq=2.0), product of:
                0.2502143 = queryWeight, product of:
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.044654675 = queryNorm
                0.49526796 = fieldWeight in 939, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.0625 = fieldNorm(doc=939)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Robertson, A.M.; Willett, P.: Use of genetic algorithms in information retrieval (1995) 0.03
    0.030980783 = product of:
      0.061961565 = sum of:
        0.061961565 = product of:
          0.12392313 = sum of:
            0.12392313 = weight(_text_:a.m in 2418) [ClassicSimilarity], result of:
              0.12392313 = score(doc=2418,freq=2.0), product of:
                0.2502143 = queryWeight, product of:
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.044654675 = queryNorm
                0.49526796 = fieldWeight in 2418, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2418)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Ekmekcioglu, F.C.; Robertson, A.M.; Willett, P.: Effectiveness of query expansion in ranked-output document retrieval systems (1992) 0.03
    0.030980783 = product of:
      0.061961565 = sum of:
        0.061961565 = product of:
          0.12392313 = sum of:
            0.12392313 = weight(_text_:a.m in 5689) [ClassicSimilarity], result of:
              0.12392313 = score(doc=5689,freq=2.0), product of:
                0.2502143 = queryWeight, product of:
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.044654675 = queryNorm
                0.49526796 = fieldWeight in 5689, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5689)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Robertson, A.M.; Willett, P.: Applications of n-grams in textual information systems (1998) 0.03
    0.030980783 = product of:
      0.061961565 = sum of:
        0.061961565 = product of:
          0.12392313 = sum of:
            0.12392313 = weight(_text_:a.m in 4715) [ClassicSimilarity], result of:
              0.12392313 = score(doc=4715,freq=2.0), product of:
                0.2502143 = queryWeight, product of:
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.044654675 = queryNorm
                0.49526796 = fieldWeight in 4715, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4715)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Robertson, A.M.; Willett, P.: Retrieval techniques for historical English text : searching the sixteenth and seventeenth century titles in the Catalogue of Caterbury Cathedral Library using spelling-correction methods (1992) 0.03
    0.027108185 = product of:
      0.05421637 = sum of:
        0.05421637 = product of:
          0.10843274 = sum of:
            0.10843274 = weight(_text_:a.m in 4209) [ClassicSimilarity], result of:
              0.10843274 = score(doc=4209,freq=2.0), product of:
                0.2502143 = queryWeight, product of:
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.044654675 = queryNorm
                0.43335947 = fieldWeight in 4209, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4209)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Robertson, A.M.; Willett, P.: Generation of equifrequent groups of words using a genetic algorithm (1994) 0.03
    0.027108185 = product of:
      0.05421637 = sum of:
        0.05421637 = product of:
          0.10843274 = sum of:
            0.10843274 = weight(_text_:a.m in 8158) [ClassicSimilarity], result of:
              0.10843274 = score(doc=8158,freq=2.0), product of:
                0.2502143 = queryWeight, product of:
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.044654675 = queryNorm
                0.43335947 = fieldWeight in 8158, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.6033173 = idf(docFreq=442, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=8158)
          0.5 = coord(1/2)
      0.5 = coord(1/2)