Search (113 results, page 1 of 6)

  • × theme_ss:"Retrievalstudien"
  1. Sparck Jones, K.: Retrieval system tests 1958-1978 (1981) 0.19
    0.18558791 = product of:
      0.27838185 = sum of:
        0.20859013 = product of:
          0.41718027 = sum of:
            0.41718027 = weight(_text_:jones in 3156) [ClassicSimilarity], result of:
              0.41718027 = score(doc=3156,freq=4.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.5428586 = fieldWeight in 3156, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3156)
          0.5 = coord(1/2)
        0.06979173 = product of:
          0.13958345 = sum of:
            0.13958345 = weight(_text_:k in 3156) [ClassicSimilarity], result of:
              0.13958345 = score(doc=3156,freq=4.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.8924445 = fieldWeight in 3156, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3156)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  2. Sparck Jones, K.: ¬The Cranfield tests (1981) 0.19
    0.18558791 = product of:
      0.27838185 = sum of:
        0.20859013 = product of:
          0.41718027 = sum of:
            0.41718027 = weight(_text_:jones in 3157) [ClassicSimilarity], result of:
              0.41718027 = score(doc=3157,freq=4.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.5428586 = fieldWeight in 3157, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3157)
          0.5 = coord(1/2)
        0.06979173 = product of:
          0.13958345 = sum of:
            0.13958345 = weight(_text_:k in 3157) [ClassicSimilarity], result of:
              0.13958345 = score(doc=3157,freq=4.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.8924445 = fieldWeight in 3157, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3157)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  3. Robertson, S.E.: ¬The methodology of information retrieval experiment (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3146) [ClassicSimilarity], result of:
              0.294991 = score(doc=3146,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3146, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3146)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3146) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3146,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3146, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3146)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  4. Rijsbergen, C.J. van: Retrieval effectiveness (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3147) [ClassicSimilarity], result of:
              0.294991 = score(doc=3147,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3147, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3147)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3147) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3147,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3147, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3147)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  5. Belkin, N.J.: Ineffable concepts in information retrieval (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3148) [ClassicSimilarity], result of:
              0.294991 = score(doc=3148,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3148, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3148)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3148) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3148,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3148, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3148)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  6. Tague, J.M.: ¬The pragmatics of information retrieval experimentation (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3149) [ClassicSimilarity], result of:
              0.294991 = score(doc=3149,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3149, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3149)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3149) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3149,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3149, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3149)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  7. Barraclough, E.D.: Opportunities for testing with online systems (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3151) [ClassicSimilarity], result of:
              0.294991 = score(doc=3151,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3151, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3151)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3151) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3151,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3151, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3151)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  8. Keen, E.M.: Laboratory tests of manual systems (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3152) [ClassicSimilarity], result of:
              0.294991 = score(doc=3152,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3152, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3152)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3152) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3152,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3152, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3152)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  9. Oddy, R.N.: Laboratory tests : automatic systems (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3153) [ClassicSimilarity], result of:
              0.294991 = score(doc=3153,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3153, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3153)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3153) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3153,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3153, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3153)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  10. Heine, M.D.: Simulation, and simulation experiments (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3154) [ClassicSimilarity], result of:
              0.294991 = score(doc=3154,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3154, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3154)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3154) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3154,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3154, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3154)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  11. Cooper, W.S.: Gedanken experimentation : an alternative to traditional system testing? (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3155) [ClassicSimilarity], result of:
              0.294991 = score(doc=3155,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3155, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3155)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3155) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3155,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3155, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3155)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  12. Evans, L.: ¬An experiment : search strategy variations in SDI (1981) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 3158) [ClassicSimilarity], result of:
              0.294991 = score(doc=3158,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 3158, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=3158)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 3158) [ClassicSimilarity], result of:
              0.098700404 = score(doc=3158,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 3158, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3158)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  13. Sparck Jones, K.: Summary performance comparisons TREC-2 through TREC-8 (2001) 0.13
    0.13123047 = product of:
      0.1968457 = sum of:
        0.1474955 = product of:
          0.294991 = sum of:
            0.294991 = weight(_text_:jones in 663) [ClassicSimilarity], result of:
              0.294991 = score(doc=663,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                1.0909657 = fieldWeight in 663, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.125 = fieldNorm(doc=663)
          0.5 = coord(1/2)
        0.049350202 = product of:
          0.098700404 = sum of:
            0.098700404 = weight(_text_:k in 663) [ClassicSimilarity], result of:
              0.098700404 = score(doc=663,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.63105357 = fieldWeight in 663, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=663)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
  14. Lancaster, F.W.: Evaluation within the environment of an operating information service (1981) 0.11
    0.114826664 = product of:
      0.17223999 = sum of:
        0.12905855 = product of:
          0.2581171 = sum of:
            0.2581171 = weight(_text_:jones in 3150) [ClassicSimilarity], result of:
              0.2581171 = score(doc=3150,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                0.954595 = fieldWeight in 3150, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3150)
          0.5 = coord(1/2)
        0.043181427 = product of:
          0.08636285 = sum of:
            0.08636285 = weight(_text_:k in 3150) [ClassicSimilarity], result of:
              0.08636285 = score(doc=3150,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.5521719 = fieldWeight in 3150, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3150)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  15. Salton, G.: ¬The Smart environment for retrieval systeme valuation : advantages and problem areas (1981) 0.11
    0.114826664 = product of:
      0.17223999 = sum of:
        0.12905855 = product of:
          0.2581171 = sum of:
            0.2581171 = weight(_text_:jones in 3159) [ClassicSimilarity], result of:
              0.2581171 = score(doc=3159,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                0.954595 = fieldWeight in 3159, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3159)
          0.5 = coord(1/2)
        0.043181427 = product of:
          0.08636285 = sum of:
            0.08636285 = weight(_text_:k in 3159) [ClassicSimilarity], result of:
              0.08636285 = score(doc=3159,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.5521719 = fieldWeight in 3159, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3159)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    Information retrieval experiments. Ed.: K. Sparck Jones
  16. Salton, G.; Lesk, M.E.: Computer evaluation of indexing and text processing (1968) 0.10
    0.09842285 = product of:
      0.14763427 = sum of:
        0.110621616 = product of:
          0.22124323 = sum of:
            0.22124323 = weight(_text_:jones in 77) [ClassicSimilarity], result of:
              0.22124323 = score(doc=77,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                0.8182243 = fieldWeight in 77, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.09375 = fieldNorm(doc=77)
          0.5 = coord(1/2)
        0.03701265 = product of:
          0.0740253 = sum of:
            0.0740253 = weight(_text_:k in 77) [ClassicSimilarity], result of:
              0.0740253 = score(doc=77,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.47329018 = fieldWeight in 77, 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=77)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.60-84.
  17. Burnett, M.; Fisher, C.; Jones, R.: InTEXT precision indexing in TREC4 (1996) 0.10
    0.09842285 = product of:
      0.14763427 = sum of:
        0.110621616 = product of:
          0.22124323 = sum of:
            0.22124323 = weight(_text_:jones in 7529) [ClassicSimilarity], result of:
              0.22124323 = score(doc=7529,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                0.8182243 = fieldWeight in 7529, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.09375 = fieldNorm(doc=7529)
          0.5 = coord(1/2)
        0.03701265 = product of:
          0.0740253 = sum of:
            0.0740253 = weight(_text_:k in 7529) [ClassicSimilarity], result of:
              0.0740253 = score(doc=7529,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.47329018 = fieldWeight in 7529, 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=7529)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Source
    The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman
  18. Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1963) 0.10
    0.09842285 = product of:
      0.14763427 = sum of:
        0.110621616 = product of:
          0.22124323 = sum of:
            0.22124323 = weight(_text_:jones in 577) [ClassicSimilarity], result of:
              0.22124323 = score(doc=577,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                0.8182243 = fieldWeight in 577, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.09375 = fieldNorm(doc=577)
          0.5 = coord(1/2)
        0.03701265 = product of:
          0.0740253 = sum of:
            0.0740253 = weight(_text_:k in 577) [ClassicSimilarity], result of:
              0.0740253 = score(doc=577,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.47329018 = fieldWeight in 577, 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=577)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.98-110.
  19. Cooper, W.S.: ¬On selecting a measure of retrieval effectiveness, revisited (1973) 0.10
    0.09842285 = product of:
      0.14763427 = sum of:
        0.110621616 = product of:
          0.22124323 = sum of:
            0.22124323 = weight(_text_:jones in 1930) [ClassicSimilarity], result of:
              0.22124323 = score(doc=1930,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                0.8182243 = fieldWeight in 1930, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1930)
          0.5 = coord(1/2)
        0.03701265 = product of:
          0.0740253 = sum of:
            0.0740253 = weight(_text_:k in 1930) [ClassicSimilarity], result of:
              0.0740253 = score(doc=1930,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.47329018 = fieldWeight in 1930, 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=1930)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.191-204.
  20. Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961) 0.10
    0.09842285 = product of:
      0.14763427 = sum of:
        0.110621616 = product of:
          0.22124323 = sum of:
            0.22124323 = weight(_text_:jones in 1931) [ClassicSimilarity], result of:
              0.22124323 = score(doc=1931,freq=2.0), product of:
                0.27039436 = queryWeight, product of:
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.04381386 = queryNorm
                0.8182243 = fieldWeight in 1931, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.1714344 = idf(docFreq=250, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1931)
          0.5 = coord(1/2)
        0.03701265 = product of:
          0.0740253 = sum of:
            0.0740253 = weight(_text_:k in 1931) [ClassicSimilarity], result of:
              0.0740253 = score(doc=1931,freq=2.0), product of:
                0.15640575 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04381386 = queryNorm
                0.47329018 = fieldWeight in 1931, 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=1931)
          0.5 = coord(1/2)
      0.6666667 = coord(2/3)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.223-246.

Languages

  • e 100
  • d 10
  • f 1
  • m 1
  • More… Less…

Types

  • a 101
  • s 8
  • m 5
  • el 2
  • r 1
  • More… Less…