Search (3 results, page 1 of 1)

  • × author_ss:"Bollmann, P."
  • × year_i:[1980 TO 1990}
  1. Bollmann, P.; Konrad, E.; Richardt, B.; Zuse, H.: Experimentelle Überprüfung der Clusterhypothese mit dem Information-Retrieval-Methodebanksystem FAKYR (1983) 0.01
    0.008746384 = product of:
      0.017492767 = sum of:
        0.017492767 = product of:
          0.052478302 = sum of:
            0.052478302 = weight(_text_:h in 444) [ClassicSimilarity], result of:
              0.052478302 = score(doc=444,freq=4.0), product of:
                0.11265446 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.04534384 = queryNorm
                0.4658342 = fieldWeight in 444, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.09375 = fieldNorm(doc=444)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Deutscher Dokumentartag 1982, Lübeck-Travemünde, 29.-30.9.1982: Fachinformation im Zeitalter der Informationsindustrie. Bearb.: H. Strohl-Goebel
  2. Bollmann, P.: Probleme des Messens und Bewertens beim Information-Retrieval (1982) 0.01
    0.007215399 = product of:
      0.014430798 = sum of:
        0.014430798 = product of:
          0.043292392 = sum of:
            0.043292392 = weight(_text_:h in 427) [ClassicSimilarity], result of:
              0.043292392 = score(doc=427,freq=2.0), product of:
                0.11265446 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.04534384 = queryNorm
                0.38429362 = fieldWeight in 427, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.109375 = fieldNorm(doc=427)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Deutscher Dokumentartag 1981, Mainz, 5.-8.10.1981: Kleincomputer in Information und Dokumentation. Bearb.: H. Strohl-Goebel
  3. Bollmann, P.; Jochum, F.; Weissmann, V.: Experimentelle Untersuchung von Ranking-Verfahren (1986) 0.01
    0.007215399 = product of:
      0.014430798 = sum of:
        0.014430798 = product of:
          0.043292392 = sum of:
            0.043292392 = weight(_text_:h in 478) [ClassicSimilarity], result of:
              0.043292392 = score(doc=478,freq=2.0), product of:
                0.11265446 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.04534384 = queryNorm
                0.38429362 = fieldWeight in 478, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.109375 = fieldNorm(doc=478)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Deutscher Dokumentartag 1985, Nürnberg, 1.-4.10.1985: Fachinformation: Methodik - Management - Markt; neue Entwicklungen, Berufe, Produkte. Bearb.: H. Strohl-Goebel