Search (3 results, page 1 of 1)

  • × author_ss:"Allan, J."
  • × author_ss:"Croft, W.B."
  • × type_ss:"a"
  1. Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997) 0.07
    0.07240096 = product of:
      0.14480191 = sum of:
        0.1106488 = weight(_text_:standards in 3103) [ClassicSimilarity], result of:
          0.1106488 = score(doc=3103,freq=2.0), product of:
            0.22470023 = queryWeight, product of:
              4.4569545 = idf(docFreq=1393, maxDocs=44218)
              0.050415643 = queryNorm
            0.49242854 = fieldWeight in 3103, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.4569545 = idf(docFreq=1393, maxDocs=44218)
              0.078125 = fieldNorm(doc=3103)
        0.03415312 = product of:
          0.06830624 = sum of:
            0.06830624 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
              0.06830624 = score(doc=3103,freq=2.0), product of:
                0.17654699 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.050415643 = queryNorm
                0.38690117 = fieldWeight in 3103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3103)
          0.5 = coord(1/2)
      0.5 = coord(2/4)
    
    Date
    27. 2.1999 20:55:22
    Imprint
    Gaithersburgh, MD : National Institute of Standards and Technology
  2. Allan, J.; Ballesteros, L.; Callan, J.P.; Croft, W.B.; Lu, Z.: Recent experiment with INQUERY (1996) 0.03
    0.033194643 = product of:
      0.13277857 = sum of:
        0.13277857 = weight(_text_:standards in 7568) [ClassicSimilarity], result of:
          0.13277857 = score(doc=7568,freq=2.0), product of:
            0.22470023 = queryWeight, product of:
              4.4569545 = idf(docFreq=1393, maxDocs=44218)
              0.050415643 = queryNorm
            0.59091425 = fieldWeight in 7568, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.4569545 = idf(docFreq=1393, maxDocs=44218)
              0.09375 = fieldNorm(doc=7568)
      0.25 = coord(1/4)
    
    Imprint
    Gaithersburgh, MD : National Institute of Standards and Technology
  3. Allan, J.; Croft, W.B.; Callan, J.: ¬The University of Massachusetts and a dozen TRECs (2005) 0.01
    0.005149705 = product of:
      0.02059882 = sum of:
        0.02059882 = weight(_text_:information in 5086) [ClassicSimilarity], result of:
          0.02059882 = score(doc=5086,freq=2.0), product of:
            0.08850355 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.050415643 = queryNorm
            0.23274569 = fieldWeight in 5086, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.09375 = fieldNorm(doc=5086)
      0.25 = coord(1/4)
    
    Source
    TREC: experiment and evaluation in information retrieval. Ed.: E.M. Voorhees, u. D.K. Harman