Search (5 results, page 1 of 1)

  • × author_ss:"Ruthven, I."
  • × type_ss:"a"
  • × year_i:[1990 TO 2000}
  1. Sanderson, M.; Ruthven, I.: Report on the Glasgow IR group (glair4) submission (1997) 0.01 
    0.014111667 = product of:
  0.028223334 = sum of:
    0.028223334 = product of:
      0.08467 = sum of:
        0.08467 = weight(_text_:i in 3088) [ClassicSimilarity], result of:
          0.08467 = score(doc=3088,freq=2.0), product of:
            0.16931784 = queryWeight, product of:
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.044891298 = queryNorm
            0.50006545 = fieldWeight in 3088, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.09375 = fieldNorm(doc=3088)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
  2. 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) 0.01 
    0.011759723 = product of:
  0.023519445 = sum of:
    0.023519445 = product of:
      0.07055833 = sum of:
        0.07055833 = weight(_text_:i in 7522) [ClassicSimilarity], result of:
          0.07055833 = score(doc=7522,freq=2.0), product of:
            0.16931784 = queryWeight, product of:
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.044891298 = queryNorm
            0.41672117 = fieldWeight in 7522, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.078125 = fieldNorm(doc=7522)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
  3. Ruthven, I.; Lalmas, M.: Selective relevance feedback using term characteristics (1999) 0.01 
    0.011759723 = product of:
  0.023519445 = sum of:
    0.023519445 = product of:
      0.07055833 = sum of:
        0.07055833 = weight(_text_:i in 3824) [ClassicSimilarity], result of:
          0.07055833 = score(doc=3824,freq=2.0), product of:
            0.16931784 = queryWeight, product of:
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.044891298 = queryNorm
            0.41672117 = fieldWeight in 3824, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.078125 = fieldNorm(doc=3824)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
  4. Lalmas, M.; Ruthven, I.: ¬A model for structured document retrieval : empirical investigations (1997) 0.01 
    0.009407777 = product of:
  0.018815555 = sum of:
    0.018815555 = product of:
      0.056446664 = sum of:
        0.056446664 = weight(_text_:i in 727) [ClassicSimilarity], result of:
          0.056446664 = score(doc=727,freq=2.0), product of:
            0.16931784 = queryWeight, product of:
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.044891298 = queryNorm
            0.33337694 = fieldWeight in 727, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.0625 = fieldNorm(doc=727)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
  5. Lalmas, M.; Ruthven, I.: Representing and retrieving structured documents using the Dempster-Shafer theory of evidence : modelling and evaluation (1998) 0.01 
    0.008231806 = product of:
  0.016463611 = sum of:
    0.016463611 = product of:
      0.049390834 = sum of:
        0.049390834 = weight(_text_:i in 1076) [ClassicSimilarity], result of:
          0.049390834 = score(doc=1076,freq=2.0), product of:
            0.16931784 = queryWeight, product of:
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.044891298 = queryNorm
            0.29170483 = fieldWeight in 1076, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.7717297 = idf(docFreq=2765, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1076)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Authors

Themes