Search (7 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × type_ss:"el"
  1. Sparck Jones, K.: Summary performance comparisons TREC-2 through TREC-8 (2001) 0.00 
    0.0042019994 = product of:
  0.008403999 = sum of:
    0.008403999 = product of:
      0.016807998 = sum of:
        0.016807998 = weight(_text_:e in 663) [ClassicSimilarity], result of:
          0.016807998 = score(doc=663,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.2540935 = fieldWeight in 663, 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=663)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  2. Munkelt, J.; Schaer, P.: Towards an IR test collection for the German National Library (2018) 0.00 
    0.0036767495 = product of:
  0.007353499 = sum of:
    0.007353499 = product of:
      0.014706998 = sum of:
        0.014706998 = weight(_text_:e in 5780) [ClassicSimilarity], result of:
          0.014706998 = score(doc=5780,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.2223318 = fieldWeight in 5780, 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=5780)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  3. Borlund, P.: ¬The IIR evaluation model : a framework for evaluation of interactive information retrieval systems (2003) 0.00 
    0.0031514994 = product of:
  0.006302999 = sum of:
    0.006302999 = product of:
      0.012605998 = sum of:
        0.012605998 = weight(_text_:e in 922) [ClassicSimilarity], result of:
          0.012605998 = score(doc=922,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.19057012 = fieldWeight in 922, 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=922)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  4. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.00 
    0.0013131249 = product of:
  0.0026262498 = sum of:
    0.0026262498 = product of:
      0.0052524996 = sum of:
        0.0052524996 = weight(_text_:e in 4532) [ClassicSimilarity], result of:
          0.0052524996 = score(doc=4532,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  5. Schaer, P.; Mayr, P.; Sünkler, S.; Lewandowski, D.: How relevant is the long tail? : a relevance assessment study on million short (2016) 0.00 
    0.0013131249 = product of:
  0.0026262498 = sum of:
    0.0026262498 = product of:
      0.0052524996 = sum of:
        0.0052524996 = weight(_text_:e in 3144) [ClassicSimilarity], result of:
          0.0052524996 = score(doc=3144,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.07940422 = fieldWeight in 3144, 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=3144)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  6. Hider, P.: ¬The search value added by professional indexing to a bibliographic database (2017) 0.00 
    0.0013131249 = product of:
  0.0026262498 = sum of:
    0.0026262498 = product of:
      0.0052524996 = sum of:
        0.0052524996 = weight(_text_:e in 3868) [ClassicSimilarity], result of:
          0.0052524996 = score(doc=3868,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.07940422 = fieldWeight in 3868, 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=3868)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e
  7. Toepfer, M.; Seifert, C.: Content-based quality estimation for automatic subject indexing of short texts under precision and recall constraints 0.00 
    0.0013131249 = product of:
  0.0026262498 = sum of:
    0.0026262498 = product of:
      0.0052524996 = sum of:
        0.0052524996 = weight(_text_:e in 4309) [ClassicSimilarity], result of:
          0.0052524996 = score(doc=4309,freq=2.0), product of:
            0.06614887 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04602077 = queryNorm
            0.07940422 = fieldWeight in 4309, 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=4309)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Language
    e

Authors

Years

Themes