Search (1 results, page 1 of 1)

  • × subject_ss:"Datenverarbeitung / Information Retrieval"
  • × classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.18
    0.17886405 = product of:
      0.4088321 = sum of:
        0.09634793 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
          0.09634793 = score(doc=856,freq=4.0), product of:
            0.15439615 = queryWeight, product of:
              5.705423 = idf(docFreq=399, maxDocs=44218)
              0.027061297 = 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)
        0.06398158 = weight(_text_:buch in 856) [ClassicSimilarity], result of:
          0.06398158 = score(doc=856,freq=4.0), product of:
            0.12581798 = queryWeight, product of:
              4.64937 = idf(docFreq=1149, maxDocs=44218)
              0.027061297 = queryNorm
            0.5085249 = fieldWeight in 856, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.64937 = idf(docFreq=1149, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.025183186 = weight(_text_:und in 856) [ClassicSimilarity], result of:
          0.025183186 = score(doc=856,freq=12.0), product of:
            0.059977766 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.027061297 = 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)
        0.02940715 = product of:
          0.0588143 = sum of:
            0.0588143 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
              0.0588143 = score(doc=856,freq=4.0), product of:
                0.12063039 = queryWeight, product of:
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.027061297 = queryNorm
                0.4875579 = fieldWeight in 856, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=856)
          0.5 = coord(1/2)
        0.08494041 = weight(_text_:informationswissenschaft in 856) [ClassicSimilarity], result of:
          0.08494041 = score(doc=856,freq=8.0), product of:
            0.12190316 = queryWeight, product of:
              4.504705 = idf(docFreq=1328, maxDocs=44218)
              0.027061297 = queryNorm
            0.696786 = fieldWeight in 856, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              4.504705 = idf(docFreq=1328, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.08494041 = weight(_text_:informationswissenschaft in 856) [ClassicSimilarity], result of:
          0.08494041 = score(doc=856,freq=8.0), product of:
            0.12190316 = queryWeight, product of:
              4.504705 = idf(docFreq=1328, maxDocs=44218)
              0.027061297 = queryNorm
            0.696786 = fieldWeight in 856, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              4.504705 = idf(docFreq=1328, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
        0.024031455 = product of:
          0.04806291 = sum of:
            0.04806291 = weight(_text_:grundlagen in 856) [ClassicSimilarity], result of:
              0.04806291 = score(doc=856,freq=2.0), product of:
                0.12968144 = queryWeight, product of:
                  4.7921367 = idf(docFreq=996, maxDocs=44218)
                  0.027061297 = queryNorm
                0.3706229 = fieldWeight in 856, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.7921367 = idf(docFreq=996, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=856)
          0.5 = coord(1/2)
      0.4375 = coord(7/16)
    
    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
    Theme
    Grundlagen u. Einführungen: Allgemeine Literatur