Search (1 results, page 1 of 1)

  • × classification_ss:"025.4/9 / dc19"
  • × classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.01
    0.013599293 = product of:
      0.08612886 = sum of:
        0.050801806 = weight(_text_:literatur in 217) [ClassicSimilarity], result of:
          0.050801806 = score(doc=217,freq=2.0), product of:
            0.119987674 = queryWeight, product of:
              4.7901325 = idf(docFreq=998, maxDocs=44218)
              0.025048926 = queryNorm
            0.42339188 = fieldWeight in 217, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.7901325 = idf(docFreq=998, maxDocs=44218)
              0.0625 = fieldNorm(doc=217)
        0.021751914 = weight(_text_:und in 217) [ClassicSimilarity], result of:
          0.021751914 = score(doc=217,freq=8.0), product of:
            0.055517614 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.025048926 = queryNorm
            0.39180204 = fieldWeight in 217, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.0625 = fieldNorm(doc=217)
        0.013575135 = product of:
          0.02715027 = sum of:
            0.02715027 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
              0.02715027 = score(doc=217,freq=2.0), product of:
                0.08771707 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.025048926 = queryNorm
                0.30952093 = fieldWeight in 217, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=217)
          0.5 = coord(1/2)
      0.15789473 = coord(3/19)
    
    Classification
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    Date
    22. 4.2007 10:07:51
    RVK
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur