Search (2 results, page 1 of 1)

  • × classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
  • × language_ss:"e"
  • × theme_ss:"Grundlagen u. Einführungen: Allgemeine Literatur"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.03
    0.027080126 = product of:
      0.14442734 = sum of:
        0.09484607 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
          0.09484607 = score(doc=856,freq=4.0), product of:
            0.15198945 = queryWeight, product of:
              5.705423 = idf(docFreq=399, maxDocs=44218)
              0.02663947 = queryNorm
            0.62403065 = fieldWeight in 856, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.705423 = idf(docFreq=399, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.024790635 = weight(_text_:und in 856) [ClassicSimilarity], result of:
          0.024790635 = score(doc=856,freq=12.0), product of:
            0.059042845 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.02663947 = queryNorm
            0.41987535 = fieldWeight in 856, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.024790635 = weight(_text_:und in 856) [ClassicSimilarity], result of:
          0.024790635 = score(doc=856,freq=12.0), product of:
            0.059042845 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.02663947 = queryNorm
            0.41987535 = fieldWeight in 856, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
      0.1875 = coord(3/16)
    
    Classification
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
    RVK
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
  2. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.01
    0.011381876 = product of:
      0.060703337 = sum of:
        0.023133107 = weight(_text_:und in 217) [ClassicSimilarity], result of:
          0.023133107 = score(doc=217,freq=8.0), product of:
            0.059042845 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.02663947 = 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)
        0.023133107 = weight(_text_:und in 217) [ClassicSimilarity], result of:
          0.023133107 = score(doc=217,freq=8.0), product of:
            0.059042845 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.02663947 = 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)
        0.014437122 = product of:
          0.028874245 = sum of:
            0.028874245 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
              0.028874245 = score(doc=217,freq=2.0), product of:
                0.09328689 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.02663947 = 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)
      0.1875 = coord(3/16)
    
    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