Search (2 results, page 1 of 1)

  • × author_ss:"Pentecost, J."
  • × theme_ss:"Retrievalstudien"
  • × year_i:[1990 TO 2000}
  1. Hersh, W.; Pentecost, J.; Hickam, D.: ¬A task-oriented approach to information retrieval evaluation : overview and design for empirical testing (1996) 0.01
    0.009307554 = product of:
      0.032576438 = sum of:
        0.021717625 = weight(_text_:j in 3001) [ClassicSimilarity], result of:
          0.021717625 = score(doc=3001,freq=2.0), product of:
            0.10310292 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.03244785 = queryNorm
            0.21064025 = fieldWeight in 3001, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.046875 = fieldNorm(doc=3001)
        0.010858812 = product of:
          0.021717625 = sum of:
            0.021717625 = weight(_text_:j in 3001) [ClassicSimilarity], result of:
              0.021717625 = score(doc=3001,freq=2.0), product of:
                0.10310292 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.03244785 = queryNorm
                0.21064025 = fieldWeight in 3001, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3001)
          0.5 = coord(1/2)
      0.2857143 = coord(2/7)
    
  2. Hersh, W.R.; Pentecost, J.; Hickam, D.H.: ¬A task-oriented approach to retrieval system evaluation (1995) 0.01
    0.009307554 = product of:
      0.032576438 = sum of:
        0.021717625 = weight(_text_:j in 3867) [ClassicSimilarity], result of:
          0.021717625 = score(doc=3867,freq=2.0), product of:
            0.10310292 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.03244785 = queryNorm
            0.21064025 = fieldWeight in 3867, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.046875 = fieldNorm(doc=3867)
        0.010858812 = product of:
          0.021717625 = sum of:
            0.021717625 = weight(_text_:j in 3867) [ClassicSimilarity], result of:
              0.021717625 = score(doc=3867,freq=2.0), product of:
                0.10310292 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.03244785 = queryNorm
                0.21064025 = fieldWeight in 3867, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3867)
          0.5 = coord(1/2)
      0.2857143 = coord(2/7)