Search (6 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × author_ss:"Ruthven, I."
  1. Crestani, F.; Ruthven, I.; Sanderson, M.; Rijsbergen, C.J. van: ¬The troubles with using a logical model of IR on a large collection of documents : experimenting retrieval by logical imaging on TREC (1996) 0.02
    0.023310876 = product of:
      0.04662175 = sum of:
        0.04662175 = product of:
          0.069932625 = sum of:
            0.063996255 = weight(_text_:k in 7522) [ClassicSimilarity], result of:
              0.063996255 = score(doc=7522,freq=2.0), product of:
                0.16225883 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04545348 = queryNorm
                0.39440846 = fieldWeight in 7522, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.078125 = fieldNorm(doc=7522)
            0.0059363716 = weight(_text_:s in 7522) [ClassicSimilarity], result of:
              0.0059363716 = score(doc=7522,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.120123915 = fieldWeight in 7522, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.078125 = fieldNorm(doc=7522)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Pages
    S.509-526
    Source
    The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman
  2. Ruthven, I.; Lalmas, M.; Rijsbergen, K. van: Combining and selecting characteristics of information use (2002) 0.01
    0.009324351 = product of:
      0.018648703 = sum of:
        0.018648703 = product of:
          0.027973052 = sum of:
            0.025598504 = weight(_text_:k in 5208) [ClassicSimilarity], result of:
              0.025598504 = score(doc=5208,freq=2.0), product of:
                0.16225883 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04545348 = queryNorm
                0.15776339 = fieldWeight in 5208, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.03125 = fieldNorm(doc=5208)
            0.0023745487 = weight(_text_:s in 5208) [ClassicSimilarity], result of:
              0.0023745487 = score(doc=5208,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.048049565 = fieldWeight in 5208, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.03125 = fieldNorm(doc=5208)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science and technology. 53(2002) no.5, S.378-396
  3. Sanderson, M.; Ruthven, I.: Report on the Glasgow IR group (glair4) submission (1997) 0.00
    0.0011872743 = product of:
      0.0023745487 = sum of:
        0.0023745487 = product of:
          0.007123646 = sum of:
            0.007123646 = weight(_text_:s in 3088) [ClassicSimilarity], result of:
              0.007123646 = score(doc=3088,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.14414869 = fieldWeight in 3088, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3088)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Pages
    S.518-519
  4. Baillie, M.; Azzopardi, L.; Ruthven, I.: Evaluating epistemic uncertainty under incomplete assessments (2008) 0.00
    5.936372E-4 = product of:
      0.0011872743 = sum of:
        0.0011872743 = product of:
          0.003561823 = sum of:
            0.003561823 = weight(_text_:s in 2065) [ClassicSimilarity], result of:
              0.003561823 = score(doc=2065,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.072074346 = fieldWeight in 2065, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2065)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information processing and management. 44(2008) no.2, S.811-837
  5. Ruthven, I.; Baillie, M.; Elsweiler, D.: ¬The relative effects of knowledge, interest and confidence in assessing relevance (2007) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 835) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=835,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 835, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=835)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 63(2007) no.4, S.482-504
  6. Ruthven, I.: Relevance behaviour in TREC (2014) 0.00
    4.9469766E-4 = product of:
      9.893953E-4 = sum of:
        9.893953E-4 = product of:
          0.0029681858 = sum of:
            0.0029681858 = weight(_text_:s in 1785) [ClassicSimilarity], result of:
              0.0029681858 = score(doc=1785,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.060061958 = fieldWeight in 1785, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1785)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 70(2014) no.6, S.1098-1117