Search (9 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × author_ss:"Robertson, S.E."
  1. Robertson, S.E.: ¬The probability ranking principle in IR (1977) 0.06
    0.05576241 = product of:
      0.11152482 = sum of:
        0.0090247495 = weight(_text_:e in 1935) [ClassicSimilarity], result of:
          0.0090247495 = score(doc=1935,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.19057012 = fieldWeight in 1935, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=1935)
        0.046835296 = weight(_text_:u in 1935) [ClassicSimilarity], result of:
          0.046835296 = score(doc=1935,freq=2.0), product of:
            0.107882105 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03294669 = queryNorm
            0.43413407 = fieldWeight in 1935, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.09375 = fieldNorm(doc=1935)
        0.055664778 = weight(_text_:k in 1935) [ClassicSimilarity], result of:
          0.055664778 = score(doc=1935,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = queryNorm
            0.47329018 = fieldWeight in 1935, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.09375 = fieldNorm(doc=1935)
      0.5 = coord(3/6)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willet. San Francisco: Morgan Kaufmann 1997. S.281-286.
    Language
    e
  2. Robertson, S.E.: OKAPI at TREC-3 (1995) 0.01
    0.010861676 = product of:
      0.03258503 = sum of:
        0.0052644373 = weight(_text_:e in 5694) [ClassicSimilarity], result of:
          0.0052644373 = score(doc=5694,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.1111659 = fieldWeight in 5694, 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=5694)
        0.02732059 = weight(_text_:u in 5694) [ClassicSimilarity], result of:
          0.02732059 = score(doc=5694,freq=2.0), product of:
            0.107882105 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03294669 = queryNorm
            0.25324488 = fieldWeight in 5694, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5694)
      0.33333334 = coord(2/6)
    
    Language
    e
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  3. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.01
    0.008984657 = product of:
      0.02695397 = sum of:
        0.0037603125 = weight(_text_:e in 4532) [ClassicSimilarity], result of:
          0.0037603125 = score(doc=4532,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.07940422 = fieldWeight in 4532, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4532)
        0.023193657 = weight(_text_:k in 4532) [ClassicSimilarity], result of:
          0.023193657 = score(doc=4532,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = queryNorm
            0.19720423 = fieldWeight in 4532, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4532)
      0.33333334 = coord(2/6)
    
    Language
    e
  4. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.01
    0.0059733423 = product of:
      0.017920027 = sum of:
        0.0060165 = weight(_text_:e in 5108) [ClassicSimilarity], result of:
          0.0060165 = score(doc=5108,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.12704675 = fieldWeight in 5108, 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=5108)
        0.011903526 = product of:
          0.035710577 = sum of:
            0.035710577 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
              0.035710577 = score(doc=5108,freq=2.0), product of:
                0.1153737 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03294669 = queryNorm
                0.30952093 = fieldWeight in 5108, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5108)
          0.33333334 = coord(1/3)
      0.33333334 = coord(2/6)
    
    Date
    20. 1.2007 18:30:22
    Language
    e
  5. Robertson, S.E.; Belkin, N.J.: Ranking in principle (1978) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 1143) [ClassicSimilarity], result of:
          0.012033 = score(doc=1143,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 1143, 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=1143)
      0.16666667 = coord(1/6)
    
    Language
    e
  6. Bovey, J.D.; Robertson, S.E.: ¬An algorithm for weighted searching on a Boolean system (1984) 0.00
    0.0017548124 = product of:
      0.010528875 = sum of:
        0.010528875 = weight(_text_:e in 788) [ClassicSimilarity], result of:
          0.010528875 = score(doc=788,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2223318 = fieldWeight in 788, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.109375 = fieldNorm(doc=788)
      0.16666667 = coord(1/6)
    
    Language
    e
  7. Robertson, S.E.: OKAPI at TREC-1 (1994) 0.00
    0.0012534375 = product of:
      0.007520625 = sum of:
        0.007520625 = weight(_text_:e in 7953) [ClassicSimilarity], result of:
          0.007520625 = score(doc=7953,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.15880844 = fieldWeight in 7953, 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=7953)
      0.16666667 = coord(1/6)
    
    Language
    e
  8. MacFarlane, A.; McCann, J.A.; Robertson, S.E.: Parallel methods for the generation of partitioned inverted files (2005) 0.00
    7.520625E-4 = product of:
      0.0045123748 = sum of:
        0.0045123748 = weight(_text_:e in 651) [ClassicSimilarity], result of:
          0.0045123748 = score(doc=651,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.09528506 = fieldWeight in 651, 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=651)
      0.16666667 = coord(1/6)
    
    Language
    e
  9. MacFarlane, A.; McCann, J.A.; Robertson, S.E.: Parallel methods for the update of partitioned inverted files (2007) 0.00
    6.2671874E-4 = product of:
      0.0037603125 = sum of:
        0.0037603125 = weight(_text_:e in 819) [ClassicSimilarity], result of:
          0.0037603125 = score(doc=819,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.07940422 = fieldWeight in 819, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0390625 = fieldNorm(doc=819)
      0.16666667 = coord(1/6)
    
    Language
    e