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 
    0.007380385 = product of:
  0.01476077 = sum of:
    0.01476077 = product of:
      0.02952154 = sum of:
        0.02952154 = weight(_text_:d in 427) [ClassicSimilarity], result of:
          0.02952154 = score(doc=427,freq=2.0), product of:
            0.10045733 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.052875843 = 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 
    0.007380385 = product of:
  0.01476077 = sum of:
    0.01476077 = product of:
      0.02952154 = sum of:
        0.02952154 = weight(_text_:d in 478) [ClassicSimilarity], result of:
          0.02952154 = score(doc=478,freq=2.0), product of:
            0.10045733 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.052875843 = 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 
    0.0063260444 = product of:
  0.012652089 = sum of:
    0.012652089 = product of:
      0.025304178 = sum of:
        0.025304178 = weight(_text_:d in 444) [ClassicSimilarity], result of:
          0.025304178 = score(doc=444,freq=2.0), product of:
            0.10045733 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.052875843 = 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 
    0.004217363 = product of:
  0.008434726 = sum of:
    0.008434726 = product of:
      0.016869452 = sum of:
        0.016869452 = weight(_text_:d in 5495) [ClassicSimilarity], result of:
          0.016869452 = score(doc=5495,freq=2.0), product of:
            0.10045733 = queryWeight, product of:
              1.899872 = idf(docFreq=17979, maxDocs=44218)
              0.052875843 = 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

Authors