Search (4 results, page 1 of 1)

  • × author_ss:"Harter, S.P."
  • × language_ss:"e"
  • × theme_ss:"Retrievalstudien"
  1. Harter, S.P.: ¬The Cranfield II relevance assessments : a critical evaluation (1971) 0.00
    0.0027963533 = product of:
      0.008389059 = sum of:
        0.008389059 = weight(_text_:s in 5364) [ClassicSimilarity], result of:
          0.008389059 = score(doc=5364,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.19219826 = fieldWeight in 5364, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=5364)
      0.33333334 = coord(1/3)
    
    Source
    Library quarterly. 41(1971), S.223-228
  2. Harter, S.P.: Search term combinations and retrieval overlap : a proposed methodology and case study (1990) 0.00
    0.0024468089 = product of:
      0.0073404266 = sum of:
        0.0073404266 = weight(_text_:s in 339) [ClassicSimilarity], result of:
          0.0073404266 = score(doc=339,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.16817348 = fieldWeight in 339, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.109375 = fieldNorm(doc=339)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 41(1990) no.2, S.132-146
  3. Harter, S.P.; Hert, C.A.: Evaluation of information retrieval systems : approaches, issues, and methods (1997) 0.00
    0.0012234044 = product of:
      0.0036702133 = sum of:
        0.0036702133 = weight(_text_:s in 2264) [ClassicSimilarity], result of:
          0.0036702133 = score(doc=2264,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.08408674 = fieldWeight in 2264, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2264)
      0.33333334 = coord(1/3)
    
    Source
    Annual review of information science and technology. 32(1997), S.3-94
  4. Harter, S.P.: Variations in relevance assessments and the measurement of retrieval effectiveness (1996) 0.00
    8.738604E-4 = product of:
      0.002621581 = sum of:
        0.002621581 = weight(_text_:s in 3004) [ClassicSimilarity], result of:
          0.002621581 = score(doc=3004,freq=2.0), product of:
            0.043647945 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.04014573 = queryNorm
            0.060061958 = fieldWeight in 3004, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3004)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.1, S.37-49