Search (3 results, page 1 of 1)

  • × author_ss:"Hersh, W.R."
  • × theme_ss:"Retrievalstudien"
  1. Hersh, W.R.; Pentecost, J.; Hickam, D.H.: ¬A task-oriented approach to retrieval system evaluation (1995) 0.01
    0.013598489 = product of:
      0.027196977 = sum of:
        0.027196977 = product of:
          0.040795464 = sum of:
            0.0069298777 = weight(_text_:e in 3867) [ClassicSimilarity], result of:
              0.0069298777 = score(doc=3867,freq=2.0), product of:
                0.07272785 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.050597865 = queryNorm
                0.09528506 = fieldWeight in 3867, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3867)
            0.033865586 = weight(_text_:j in 3867) [ClassicSimilarity], result of:
              0.033865586 = score(doc=3867,freq=2.0), product of:
                0.16077453 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.050597865 = 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)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Language
    e
  2. Hersh, W.R.; Over, P.: Interactivity at the Text Retrieval Conference (TREC) (2001) 0.00
    0.0026949523 = product of:
      0.0053899046 = sum of:
        0.0053899046 = product of:
          0.016169714 = sum of:
            0.016169714 = weight(_text_:e in 5486) [ClassicSimilarity], result of:
              0.016169714 = score(doc=5486,freq=2.0), product of:
                0.07272785 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.050597865 = queryNorm
                0.2223318 = fieldWeight in 5486, 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=5486)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e
  3. Hersh, W.R.; Hickam, D.H.: ¬An evaluation of interactive Boolean and natural language searching with an online medical textbook (1995) 0.00
    0.0013474762 = product of:
      0.0026949523 = sum of:
        0.0026949523 = product of:
          0.008084857 = sum of:
            0.008084857 = weight(_text_:e in 2651) [ClassicSimilarity], result of:
              0.008084857 = score(doc=2651,freq=2.0), product of:
                0.07272785 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.050597865 = queryNorm
                0.1111659 = fieldWeight in 2651, 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=2651)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e