Search (3 results, page 1 of 1)

  • × author_ss:"Ensor, P."
  • × theme_ss:"Benutzerstudien"
  1. Ensor, P.: User characteristics of keyword searching in an OPAC (1992) 0.01 
    0.01299786 = product of:
  0.02599572 = sum of:
    0.02599572 = product of:
      0.05199144 = sum of:
        0.05199144 = weight(_text_:p in 2278) [ClassicSimilarity], result of:
          0.05199144 = score(doc=2278,freq=2.0), product of:
            0.16359726 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.045500398 = queryNorm
            0.31780142 = fieldWeight in 2278, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0625 = fieldNorm(doc=2278)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992) 0.01 
    0.01299786 = product of:
  0.02599572 = sum of:
    0.02599572 = product of:
      0.05199144 = sum of:
        0.05199144 = weight(_text_:p in 2416) [ClassicSimilarity], result of:
          0.05199144 = score(doc=2416,freq=2.0), product of:
            0.16359726 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.045500398 = queryNorm
            0.31780142 = fieldWeight in 2416, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0625 = fieldNorm(doc=2416)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Ensor, P.: Knowledge level of users and nonusers of keyword/Boolean searching on an online public access catalog (1992) 0.01 
    0.011373127 = product of:
  0.022746254 = sum of:
    0.022746254 = product of:
      0.045492508 = sum of:
        0.045492508 = weight(_text_:p in 3289) [ClassicSimilarity], result of:
          0.045492508 = score(doc=3289,freq=2.0), product of:
            0.16359726 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.045500398 = queryNorm
            0.27807623 = fieldWeight in 3289, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3289)
      0.5 = coord(1/2)
  0.5 = coord(1/2)