Search (4 results, page 1 of 1)

  • × author_ss:"Bollmann, P."
  • × year_i:[1980 TO 1990}
  1. Bollmann, P.: Probleme des Messens und Bewertens beim Information-Retrieval (1982) 0.01
    0.0060557844 = product of:
      0.012111569 = sum of:
        0.012111569 = product of:
          0.024223138 = sum of:
            0.024223138 = weight(_text_:d in 427) [ClassicSimilarity], result of:
              0.024223138 = score(doc=427,freq=2.0), product of:
                0.08242767 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.04338591 = queryNorm
                0.29387143 = fieldWeight in 427, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.109375 = fieldNorm(doc=427)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    d
  2. Bollmann, P.; Jochum, F.; Weissmann, V.: Experimentelle Untersuchung von Ranking-Verfahren (1986) 0.01
    0.0060557844 = product of:
      0.012111569 = sum of:
        0.012111569 = product of:
          0.024223138 = sum of:
            0.024223138 = weight(_text_:d in 478) [ClassicSimilarity], result of:
              0.024223138 = score(doc=478,freq=2.0), product of:
                0.08242767 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.04338591 = queryNorm
                0.29387143 = fieldWeight in 478, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.109375 = fieldNorm(doc=478)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    d
  3. Bollmann, P.; Konrad, E.; Richardt, B.; Zuse, H.: Experimentelle Überprüfung der Clusterhypothese mit dem Information-Retrieval-Methodebanksystem FAKYR (1983) 0.01
    0.0051906724 = product of:
      0.010381345 = sum of:
        0.010381345 = product of:
          0.02076269 = sum of:
            0.02076269 = weight(_text_:d in 444) [ClassicSimilarity], result of:
              0.02076269 = score(doc=444,freq=2.0), product of:
                0.08242767 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.04338591 = queryNorm
                0.2518898 = fieldWeight in 444, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.09375 = fieldNorm(doc=444)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    d
  4. Bollmann, P.; Cherniavsky, V.S.: Probleme der Bewertung von Information-Retrieval-Systemen (1980) 0.00
    0.0034604485 = product of:
      0.006920897 = sum of:
        0.006920897 = product of:
          0.013841794 = sum of:
            0.013841794 = weight(_text_:d in 5495) [ClassicSimilarity], result of:
              0.013841794 = score(doc=5495,freq=2.0), product of:
                0.08242767 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.04338591 = queryNorm
                0.16792654 = fieldWeight in 5495, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5495)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    d