Search (3 results, page 1 of 1)

  • × author_ss:"Shachaf, P."
  • × theme_ss:"Informationsdienstleistungen"
  1. Shachaf, P.; Oltmann, S.M.; Horowitz, S.M.: Service equality in virtual reference (2008) 0.01 
    0.011373127 = product of:
  0.022746254 = sum of:
    0.022746254 = product of:
      0.045492508 = sum of:
        0.045492508 = weight(_text_:p in 5986) [ClassicSimilarity], result of:
          0.045492508 = score(doc=5986,freq=2.0), product of:
            0.16359726 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.045500398 = queryNorm
            0.27807623 = fieldWeight in 5986, 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=5986)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. Rosenbaum, H.; Shachaf, P.: ¬A structuration approach to online communities of practice : the case of Q&A communities (2010) 0.01 
    0.009748395 = product of:
  0.01949679 = sum of:
    0.01949679 = product of:
      0.03899358 = sum of:
        0.03899358 = weight(_text_:p in 3916) [ClassicSimilarity], result of:
          0.03899358 = score(doc=3916,freq=2.0), product of:
            0.16359726 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.045500398 = queryNorm
            0.23835106 = fieldWeight in 3916, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.046875 = fieldNorm(doc=3916)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Shachaf, P.: ¬The paradox of expertise : is the Wikipedia Reference Desk as good as your library? (2009) 0.01 
    0.008123662 = product of:
  0.016247325 = sum of:
    0.016247325 = product of:
      0.03249465 = sum of:
        0.03249465 = weight(_text_:p in 3617) [ClassicSimilarity], result of:
          0.03249465 = score(doc=3617,freq=2.0), product of:
            0.16359726 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.045500398 = queryNorm
            0.19862589 = fieldWeight in 3617, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3617)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Years