Search (3 results, page 1 of 1)

  • × classification_ss:"54.64 Datenbanken"
  • × classification_ss:"ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme"
  1. Reiner, U.: Anfragesprachen für Informationssysteme (1991) 0.01
    0.0072092023 = product of:
      0.014418405 = sum of:
        0.014418405 = product of:
          0.02883681 = sum of:
            0.02883681 = weight(_text_:m in 4553) [ClassicSimilarity], result of:
              0.02883681 = score(doc=4553,freq=2.0), product of:
                0.13110629 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.052685954 = queryNorm
                0.21994986 = fieldWeight in 4553, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4553)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    m
  2. Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2001) 0.01
    0.0054069017 = product of:
      0.010813803 = sum of:
        0.010813803 = product of:
          0.021627607 = sum of:
            0.021627607 = weight(_text_:m in 1655) [ClassicSimilarity], result of:
              0.021627607 = score(doc=1655,freq=2.0), product of:
                0.13110629 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.052685954 = queryNorm
                0.1649624 = fieldWeight in 1655, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1655)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    m
  3. Schaarschmidt, R.: Archivierung in Datenbanksystemen : Konzept und Sprache (2001) 0.01
    0.0054069017 = product of:
      0.010813803 = sum of:
        0.010813803 = product of:
          0.021627607 = sum of:
            0.021627607 = weight(_text_:m in 3912) [ClassicSimilarity], result of:
              0.021627607 = score(doc=3912,freq=2.0), product of:
                0.13110629 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.052685954 = queryNorm
                0.1649624 = fieldWeight in 3912, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3912)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    m