Search (5 results, page 1 of 1)

  • × author_ss:"Harman, D."
  • × theme_ss:"Retrievalstudien"
  1. Voorhees, E.M.; Harman, D.: Overview of the Sixth Text REtrieval Conference (TREC-6) (2000) 0.06
    0.05681798 = product of:
      0.11363596 = sum of:
        0.11363596 = sum of:
          0.016384823 = weight(_text_:e in 6438) [ClassicSimilarity], result of:
            0.016384823 = score(doc=6438,freq=2.0), product of:
              0.07369536 = queryWeight, product of:
                1.43737 = idf(docFreq=28552, maxDocs=44218)
                0.051270977 = queryNorm
              0.2223318 = fieldWeight in 6438, 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=6438)
          0.09725113 = weight(_text_:22 in 6438) [ClassicSimilarity], result of:
            0.09725113 = score(doc=6438,freq=2.0), product of:
              0.17954223 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.051270977 = queryNorm
              0.5416616 = fieldWeight in 6438, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.109375 = fieldNorm(doc=6438)
      0.5 = coord(1/2)
    
    Date
    11. 8.2001 16:22:19
    Language
    e
  2. Harman, D.: Overview of the Second Text Retrieval Conference : TREC-2 (1995) 0.00
    0.002340689 = product of:
      0.004681378 = sum of:
        0.004681378 = product of:
          0.009362756 = sum of:
            0.009362756 = weight(_text_:e in 1915) [ClassicSimilarity], result of:
              0.009362756 = score(doc=1915,freq=2.0), product of:
                0.07369536 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.051270977 = queryNorm
                0.12704675 = fieldWeight in 1915, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1915)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Smeaton, A.F.; Harman, D.: ¬The TREC experiments and their impact on Europe (1997) 0.00
    0.002340689 = product of:
      0.004681378 = sum of:
        0.004681378 = product of:
          0.009362756 = sum of:
            0.009362756 = weight(_text_:e in 7702) [ClassicSimilarity], result of:
              0.009362756 = score(doc=7702,freq=2.0), product of:
                0.07369536 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.051270977 = queryNorm
                0.12704675 = fieldWeight in 7702, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=7702)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Harman, D.: Overview of the first Text Retrieval Conference (1993) 0.00
    0.002048103 = product of:
      0.004096206 = sum of:
        0.004096206 = product of:
          0.008192412 = sum of:
            0.008192412 = weight(_text_:e in 548) [ClassicSimilarity], result of:
              0.008192412 = score(doc=548,freq=2.0), product of:
                0.07369536 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.051270977 = queryNorm
                0.1111659 = fieldWeight in 548, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=548)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  5. Harman, D.: ¬The Text REtrieval Conferences (TRECs) : providing a test-bed for information retrieval systems (1998) 0.00
    0.002048103 = product of:
      0.004096206 = sum of:
        0.004096206 = product of:
          0.008192412 = sum of:
            0.008192412 = weight(_text_:e in 1314) [ClassicSimilarity], result of:
              0.008192412 = score(doc=1314,freq=2.0), product of:
                0.07369536 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.051270977 = queryNorm
                0.1111659 = fieldWeight in 1314, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1314)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e