Search (2 results, page 1 of 1)

  • × classification_ss:"Z699"
  • × theme_ss:"Grundlagen u. Einführungen: Allgemeine Literatur"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.12
    0.11679427 = product of:
      0.3309171 = sum of:
        0.088891655 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
          0.088891655 = score(doc=856,freq=4.0), product of:
            0.14244758 = queryWeight, product of:
              5.705423 = idf(docFreq=399, maxDocs=44218)
              0.024967048 = 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)
        0.059030104 = weight(_text_:buch in 856) [ClassicSimilarity], result of:
          0.059030104 = score(doc=856,freq=4.0), product of:
            0.11608105 = queryWeight, product of:
              4.64937 = idf(docFreq=1149, maxDocs=44218)
              0.024967048 = 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)
        0.023234284 = weight(_text_:und in 856) [ClassicSimilarity], result of:
          0.023234284 = score(doc=856,freq=12.0), product of:
            0.055336144 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.024967048 = 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)
        0.027131358 = product of:
          0.054262716 = sum of:
            0.054262716 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
              0.054262716 = score(doc=856,freq=4.0), product of:
                0.11129492 = queryWeight, product of:
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.024967048 = 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)
        0.07836696 = weight(_text_:informationswissenschaft in 856) [ClassicSimilarity], result of:
          0.07836696 = score(doc=856,freq=8.0), product of:
            0.11246919 = queryWeight, product of:
              4.504705 = idf(docFreq=1328, maxDocs=44218)
              0.024967048 = 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)
        0.054262716 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
          0.054262716 = score(doc=856,freq=4.0), product of:
            0.11129492 = queryWeight, product of:
              4.457672 = idf(docFreq=1392, maxDocs=44218)
              0.024967048 = 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)
      0.3529412 = coord(6/17)
    
    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. Rowley, J.E.: Organising knowledge : An introduction to information retrieval (1987) 0.00
    3.0023666E-4 = product of:
      0.005104023 = sum of:
        0.005104023 = weight(_text_:in in 4291) [ClassicSimilarity], result of:
          0.005104023 = score(doc=4291,freq=2.0), product of:
            0.033961542 = queryWeight, product of:
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.024967048 = queryNorm
            0.15028831 = fieldWeight in 4291, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.078125 = fieldNorm(doc=4291)
      0.05882353 = coord(1/17)
    
    Footnote
    Rez. in: Journal of librarianship 20(1988) S.76-77 (K.V. Trickey)