Document (#5868)

Author
Harper, D.J.
Title
Relevance feedback in document retrieval
Imprint
Cambridge
Year
1980
Footnote
Dissertation.- Darstellung des 'Harper-Algorithmus'
Theme
Retrievalalgorithmen

Similar documents (author)

  1. McAllister-Harper, D.: ¬An analysis of courses in cataloging and classification and related areas offered in sixteen graduate library schools and their relationship to present and future trends in cataloging and classification and to cognitive needs of professional academic catalogers (1993) 4.54
    4.5397854 = sum of:
      4.5397854 = weight(author_txt:harper in 5609) [ClassicSimilarity], result of:
        4.5397854 = fieldWeight in 5609, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.079571 = idf(docFreq=12, maxDocs=41962)
          0.5 = fieldNorm(doc=5609)
    
  2. McAllister-Harper, D.: Dewey Decimal Classification in the online environment : a study of libraries in North Carolina (1990) 4.54
    4.5397854 = sum of:
      4.5397854 = weight(author_txt:harper in 3643) [ClassicSimilarity], result of:
        4.5397854 = fieldWeight in 3643, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.079571 = idf(docFreq=12, maxDocs=41962)
          0.5 = fieldNorm(doc=3643)
    
  3. Hendry, D.G.; Harper, D.J.: Coordinating information-seeking on interactive displays : a study in retrieval modelling and image indexing (1995) 4.54
    4.5397854 = sum of:
      4.5397854 = weight(author_txt:harper in 4557) [ClassicSimilarity], result of:
        4.5397854 = fieldWeight in 4557, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.079571 = idf(docFreq=12, maxDocs=41962)
          0.5 = fieldNorm(doc=4557)
    
  4. Jose, J.M.; Harper, D.J.: ¬An integrated approach to image retrieval (1995) 4.54
    4.5397854 = sum of:
      4.5397854 = weight(author_txt:harper in 5878) [ClassicSimilarity], result of:
        4.5397854 = fieldWeight in 5878, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.079571 = idf(docFreq=12, maxDocs=41962)
          0.5 = fieldNorm(doc=5878)
    
  5. Hendry, D.G.; Harper, D.J.: ¬An informal information-seeking environment (1997) 4.54
    4.5397854 = sum of:
      4.5397854 = weight(author_txt:harper in 2890) [ClassicSimilarity], result of:
        4.5397854 = fieldWeight in 2890, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.079571 = idf(docFreq=12, maxDocs=41962)
          0.5 = fieldNorm(doc=2890)
    

Similar documents (content)

  1. Hui, S.C.; Lau, K.L.: ¬An application of neural networks in document retrieval (1997) 1.30
    1.2982392 = sum of:
      1.2982392 = sum of:
        0.15162386 = weight(abstract_txt:retrieval in 3701) [ClassicSimilarity], result of:
          0.15162386 = score(doc=3701,freq=2.0), product of:
            0.24779385 = queryWeight, product of:
              3.4614017 = idf(docFreq=3579, maxDocs=41962)
              0.07158772 = queryNorm
            0.61189514 = fieldWeight in 3701, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4614017 = idf(docFreq=3579, maxDocs=41962)
              0.125 = fieldNorm(doc=3701)
        0.2868932 = weight(abstract_txt:document in 3701) [ClassicSimilarity], result of:
          0.2868932 = score(doc=3701,freq=2.0), product of:
            0.37907547 = queryWeight, product of:
              1.2368516 = boost
              4.28124 = idf(docFreq=1576, maxDocs=41962)
              0.07158772 = queryNorm
            0.7568234 = fieldWeight in 3701, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.28124 = idf(docFreq=1576, maxDocs=41962)
              0.125 = fieldNorm(doc=3701)
        0.314017 = weight(abstract_txt:relevance in 3701) [ClassicSimilarity], result of:
          0.314017 = score(doc=3701,freq=1.0), product of:
            0.5072526 = queryWeight, product of:
              1.4307603 = boost
              4.952436 = idf(docFreq=805, maxDocs=41962)
              0.07158772 = queryNorm
            0.6190545 = fieldWeight in 3701, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              4.952436 = idf(docFreq=805, maxDocs=41962)
              0.125 = fieldNorm(doc=3701)
        0.5457052 = weight(abstract_txt:feedback in 3701) [ClassicSimilarity], result of:
          0.5457052 = score(doc=3701,freq=1.0), product of:
            0.73320866 = queryWeight, product of:
              1.7201587 = boost
              5.95416 = idf(docFreq=295, maxDocs=41962)
              0.07158772 = queryNorm
            0.74427 = fieldWeight in 3701, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              5.95416 = idf(docFreq=295, maxDocs=41962)
              0.125 = fieldNorm(doc=3701)
    
  2. Ye, Z.; Huang, J.X.: ¬A learning to rank approach for quality-aware pseudo-relevance feedback (2016) 1.24
    1.2429173 = sum of:
      1.2429173 = sum of:
        0.07581193 = weight(abstract_txt:retrieval in 4856) [ClassicSimilarity], result of:
          0.07581193 = score(doc=4856,freq=2.0), product of:
            0.24779385 = queryWeight, product of:
              3.4614017 = idf(docFreq=3579, maxDocs=41962)
              0.07158772 = queryNorm
            0.30594757 = fieldWeight in 4856, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4614017 = idf(docFreq=3579, maxDocs=41962)
              0.0625 = fieldNorm(doc=4856)
        0.226809 = weight(abstract_txt:document in 4856) [ClassicSimilarity], result of:
          0.226809 = score(doc=4856,freq=5.0), product of:
            0.37907547 = queryWeight, product of:
              1.2368516 = boost
              4.28124 = idf(docFreq=1576, maxDocs=41962)
              0.07158772 = queryNorm
            0.5983215 = fieldWeight in 4856, product of:
              2.236068 = tf(freq=5.0), with freq of:
                5.0 = termFreq=5.0
              4.28124 = idf(docFreq=1576, maxDocs=41962)
              0.0625 = fieldNorm(doc=4856)
        0.27194667 = weight(abstract_txt:relevance in 4856) [ClassicSimilarity], result of:
          0.27194667 = score(doc=4856,freq=3.0), product of:
            0.5072526 = queryWeight, product of:
              1.4307603 = boost
              4.952436 = idf(docFreq=805, maxDocs=41962)
              0.07158772 = queryNorm
            0.5361169 = fieldWeight in 4856, product of:
              1.7320508 = tf(freq=3.0), with freq of:
                3.0 = termFreq=3.0
              4.952436 = idf(docFreq=805, maxDocs=41962)
              0.0625 = fieldNorm(doc=4856)
        0.6683497 = weight(abstract_txt:feedback in 4856) [ClassicSimilarity], result of:
          0.6683497 = score(doc=4856,freq=6.0), product of:
            0.73320866 = queryWeight, product of:
              1.7201587 = boost
              5.95416 = idf(docFreq=295, maxDocs=41962)
              0.07158772 = queryNorm
            0.9115409 = fieldWeight in 4856, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              5.95416 = idf(docFreq=295, maxDocs=41962)
              0.0625 = fieldNorm(doc=4856)
    
  3. Spink, A.; Losee, R.M.: Feedback in information retrieval (1996) 1.23
    1.2309846 = sum of:
      1.2309846 = product of:
        1.6413127 = sum of:
          0.08041069 = weight(abstract_txt:retrieval in 511) [ClassicSimilarity], result of:
            0.08041069 = score(doc=511,freq=1.0), product of:
              0.24779385 = queryWeight, product of:
                3.4614017 = idf(docFreq=3579, maxDocs=41962)
                0.07158772 = queryNorm
              0.3245064 = fieldWeight in 511, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4614017 = idf(docFreq=3579, maxDocs=41962)
                0.09375 = fieldNorm(doc=511)
          0.3330653 = weight(abstract_txt:relevance in 511) [ClassicSimilarity], result of:
            0.3330653 = score(doc=511,freq=2.0), product of:
              0.5072526 = queryWeight, product of:
                1.4307603 = boost
                4.952436 = idf(docFreq=805, maxDocs=41962)
                0.07158772 = queryNorm
              0.65660644 = fieldWeight in 511, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.952436 = idf(docFreq=805, maxDocs=41962)
                0.09375 = fieldNorm(doc=511)
          1.2278367 = weight(abstract_txt:feedback in 511) [ClassicSimilarity], result of:
            1.2278367 = score(doc=511,freq=9.0), product of:
              0.73320866 = queryWeight, product of:
                1.7201587 = boost
                5.95416 = idf(docFreq=295, maxDocs=41962)
                0.07158772 = queryNorm
              1.6746075 = fieldWeight in 511, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                5.95416 = idf(docFreq=295, maxDocs=41962)
                0.09375 = fieldNorm(doc=511)
        0.75 = coord(3/4)
    
  4. Salton, G.; Buckley, C.: Improving retrieval performance by relevance feedback (1990) 1.23
    1.2305298 = sum of:
      1.2305298 = product of:
        1.6407063 = sum of:
          0.15162386 = weight(abstract_txt:retrieval in 5442) [ClassicSimilarity], result of:
            0.15162386 = score(doc=5442,freq=2.0), product of:
              0.24779385 = queryWeight, product of:
                3.4614017 = idf(docFreq=3579, maxDocs=41962)
                0.07158772 = queryNorm
              0.61189514 = fieldWeight in 5442, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4614017 = idf(docFreq=3579, maxDocs=41962)
                0.125 = fieldNorm(doc=5442)
          0.54389334 = weight(abstract_txt:relevance in 5442) [ClassicSimilarity], result of:
            0.54389334 = score(doc=5442,freq=3.0), product of:
              0.5072526 = queryWeight, product of:
                1.4307603 = boost
                4.952436 = idf(docFreq=805, maxDocs=41962)
                0.07158772 = queryNorm
              1.0722338 = fieldWeight in 5442, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.952436 = idf(docFreq=805, maxDocs=41962)
                0.125 = fieldNorm(doc=5442)
          0.9451892 = weight(abstract_txt:feedback in 5442) [ClassicSimilarity], result of:
            0.9451892 = score(doc=5442,freq=3.0), product of:
              0.73320866 = queryWeight, product of:
                1.7201587 = boost
                5.95416 = idf(docFreq=295, maxDocs=41962)
                0.07158772 = queryNorm
              1.2891135 = fieldWeight in 5442, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.95416 = idf(docFreq=295, maxDocs=41962)
                0.125 = fieldNorm(doc=5442)
        0.75 = coord(3/4)
    
  5. Spink, A.: Study of interactive feedback during mediated information retrieval (1997) 1.21
    1.2148919 = sum of:
      1.2148919 = product of:
        1.6198559 = sum of:
          0.21442851 = weight(abstract_txt:retrieval in 1572) [ClassicSimilarity], result of:
            0.21442851 = score(doc=1572,freq=4.0), product of:
              0.24779385 = queryWeight, product of:
                3.4614017 = idf(docFreq=3579, maxDocs=41962)
                0.07158772 = queryNorm
              0.8653504 = fieldWeight in 1572, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.4614017 = idf(docFreq=3579, maxDocs=41962)
                0.125 = fieldNorm(doc=1572)
          0.314017 = weight(abstract_txt:relevance in 1572) [ClassicSimilarity], result of:
            0.314017 = score(doc=1572,freq=1.0), product of:
              0.5072526 = queryWeight, product of:
                1.4307603 = boost
                4.952436 = idf(docFreq=805, maxDocs=41962)
                0.07158772 = queryNorm
              0.6190545 = fieldWeight in 1572, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.952436 = idf(docFreq=805, maxDocs=41962)
                0.125 = fieldNorm(doc=1572)
          1.0914104 = weight(abstract_txt:feedback in 1572) [ClassicSimilarity], result of:
            1.0914104 = score(doc=1572,freq=4.0), product of:
              0.73320866 = queryWeight, product of:
                1.7201587 = boost
                5.95416 = idf(docFreq=295, maxDocs=41962)
                0.07158772 = queryNorm
              1.48854 = fieldWeight in 1572, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.95416 = idf(docFreq=295, maxDocs=41962)
                0.125 = fieldNorm(doc=1572)
        0.75 = coord(3/4)