Search (1 results, page 1 of 1)

  • × author_ss:"Voorhees, E.M."
  • × theme_ss:"Sprachretrieval"
  • × year_i:[2000 TO 2010}
  1. Voorhees, E.M.: Question answering in TREC (2005) 0.01
    0.01025551 = product of:
      0.035894282 = sum of:
        0.015349597 = weight(_text_:information in 6487) [ClassicSimilarity], result of:
          0.015349597 = score(doc=6487,freq=2.0), product of:
            0.06595008 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.037568163 = queryNorm
            0.23274569 = fieldWeight in 6487, 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=6487)
        0.020544684 = product of:
          0.06163405 = sum of:
            0.06163405 = weight(_text_:29 in 6487) [ClassicSimilarity], result of:
              0.06163405 = score(doc=6487,freq=2.0), product of:
                0.13215305 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.037568163 = queryNorm
                0.46638384 = fieldWeight in 6487, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6487)
          0.33333334 = coord(1/3)
      0.2857143 = coord(2/7)
    
    Date
    29. 3.1996 18:16:49
    Source
    TREC: experiment and evaluation in information retrieval. Ed.: E.M. Voorhees, u. D.K. Harman