Search (22 results, page 1 of 2)

  • × year_i:[1990 TO 2000}
  • × author_ss:"Willett, P."
  1. Al-Hawamdeh, S.; Smith, G.; Willett, P.: Paragraph-based access to full-text documents using a hypertext system (1991) 0.00
    0.003083735 = product of:
      0.00616747 = sum of:
        0.00616747 = product of:
          0.01233494 = sum of:
            0.01233494 = weight(_text_:e in 7504) [ClassicSimilarity], result of:
              0.01233494 = score(doc=7504,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.2540935 = fieldWeight in 7504, 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=7504)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  2. Willett, P.: Best-match text retrieval (1993) 0.00
    0.0019273345 = product of:
      0.003854669 = sum of:
        0.003854669 = product of:
          0.007709338 = sum of:
            0.007709338 = weight(_text_:e in 7818) [ClassicSimilarity], result of:
              0.007709338 = score(doc=7818,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.15880844 = fieldWeight in 7818, 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=7818)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Al-Hawamdeh, S.; Smith, G.; Willett, P.; Vere, R. de: Using nearest-neighbour searching techniques to access full-text documents (1991) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 2300) [ClassicSimilarity], result of:
              0.00616747 = score(doc=2300,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 2300, 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=2300)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Shaw, R.J.; Willett, P.: On the non-random nature of nearest-neighbour document clusters (1993) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 5817) [ClassicSimilarity], result of:
              0.00616747 = score(doc=5817,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 5817, 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=5817)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  5. Jones, G.; Robertson, A.M.; Willett, P.: ¬An introduction to genetic algorithms and to their use in information retrieval (1994) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 7415) [ClassicSimilarity], result of:
              0.00616747 = score(doc=7415,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 7415, 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=7415)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  6. Robertson, A.M.; Willett, P.: Identification of word-variants in historical text databases : report for the period October 1990 to September 1992 (1994) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 939) [ClassicSimilarity], result of:
              0.00616747 = score(doc=939,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 939, 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=939)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  7. Furner-Hines, J.; Willett, P.: ¬The use of hypertext in libraries in the United Kingdom (1994) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 1792) [ClassicSimilarity], result of:
              0.00616747 = score(doc=1792,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 1792, 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=1792)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  8. Robertson, A.M.; Willett, P.: Use of genetic algorithms in information retrieval (1995) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 2418) [ClassicSimilarity], result of:
              0.00616747 = score(doc=2418,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 2418, 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=2418)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  9. Ingwersen, P.; Willett, P.: ¬An introduction to algorithmic and cognitive approaches for information retrieval (1995) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 4344) [ClassicSimilarity], result of:
              0.00616747 = score(doc=4344,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 4344, 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=4344)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  10. Robertson, M.; Willett, P.: ¬An upperbound to the performance of ranked output searching : optimal weighting of query terms using a genetic algorithms (1996) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 6977) [ClassicSimilarity], result of:
              0.00616747 = score(doc=6977,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 6977, 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=6977)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  11. Clarke, S.J.; Willett, P.: Estimating the recall performance of Web search engines (1997) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 760) [ClassicSimilarity], result of:
              0.00616747 = score(doc=760,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 760, 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=760)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  12. Ekmekcioglu, F.C.; Robertson, A.M.; Willett, P.: Effectiveness of query expansion in ranked-output document retrieval systems (1992) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 5689) [ClassicSimilarity], result of:
              0.00616747 = score(doc=5689,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 5689, 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=5689)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  13. Robertson, A.M.; Willett, P.: Applications of n-grams in textual information systems (1998) 0.00
    0.0015418675 = product of:
      0.003083735 = sum of:
        0.003083735 = product of:
          0.00616747 = sum of:
            0.00616747 = weight(_text_:e in 4715) [ClassicSimilarity], result of:
              0.00616747 = score(doc=4715,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.12704675 = fieldWeight in 4715, 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=4715)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  14. 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) 0.00
    0.001349134 = product of:
      0.002698268 = sum of:
        0.002698268 = product of:
          0.005396536 = sum of:
            0.005396536 = weight(_text_:e in 4209) [ClassicSimilarity], result of:
              0.005396536 = score(doc=4209,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.1111659 = fieldWeight in 4209, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4209)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  15. Robertson, A.M.; Willett, P.: Generation of equifrequent groups of words using a genetic algorithm (1994) 0.00
    0.001349134 = product of:
      0.002698268 = sum of:
        0.002698268 = product of:
          0.005396536 = sum of:
            0.005396536 = weight(_text_:e in 8158) [ClassicSimilarity], result of:
              0.005396536 = score(doc=8158,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.1111659 = fieldWeight in 8158, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=8158)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  16. Ellis, D.; Furner-Hines, J.; Willett, P.: Measuring the degree of similarity between objects in text retrieval systems (1993) 0.00
    0.0011564007 = product of:
      0.0023128013 = sum of:
        0.0023128013 = product of:
          0.0046256026 = sum of:
            0.0046256026 = weight(_text_:e in 6716) [ClassicSimilarity], result of:
              0.0046256026 = score(doc=6716,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.09528506 = fieldWeight in 6716, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=6716)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  17. Ellis, D.; Furner-Hines, J.; Willett, P.: Measuring the consistency of assignment of hypertext links in full-text documents (1994) 0.00
    0.0011564007 = product of:
      0.0023128013 = sum of:
        0.0023128013 = product of:
          0.0046256026 = sum of:
            0.0046256026 = weight(_text_:e in 1052) [ClassicSimilarity], result of:
              0.0046256026 = score(doc=1052,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.09528506 = fieldWeight in 1052, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1052)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  18. Ellis, D.; Furner-Hines, J.; Willett, P.: ¬The creation of hypertext links in full-text documents (1994) 0.00
    0.0011564007 = product of:
      0.0023128013 = sum of:
        0.0023128013 = product of:
          0.0046256026 = sum of:
            0.0046256026 = weight(_text_:e in 1084) [ClassicSimilarity], result of:
              0.0046256026 = score(doc=1084,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.09528506 = fieldWeight in 1084, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1084)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  19. Furner, J.; Willett, P.: ¬A survey of hypertext-based public-access point-of-information systems in UK libraries (1995) 0.00
    0.0011564007 = product of:
      0.0023128013 = sum of:
        0.0023128013 = product of:
          0.0046256026 = sum of:
            0.0046256026 = weight(_text_:e in 2044) [ClassicSimilarity], result of:
              0.0046256026 = score(doc=2044,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.09528506 = fieldWeight in 2044, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2044)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  20. Furner-Hines, J.; Willett, P.: ¬The use of hypertext in libraries in the United Kingdom (1994) 0.00
    0.0011564007 = product of:
      0.0023128013 = sum of:
        0.0023128013 = product of:
          0.0046256026 = sum of:
            0.0046256026 = weight(_text_:e in 5383) [ClassicSimilarity], result of:
              0.0046256026 = score(doc=5383,freq=2.0), product of:
                0.048544887 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03377341 = queryNorm
                0.09528506 = fieldWeight in 5383, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5383)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e