Search (1 results, page 1 of 1)

  • × classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
  • × classification_ss:"Z699"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.13
    0.13023467 = product of:
      0.37442467 = sum of:
        0.08731425 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
          0.08731425 = score(doc=856,freq=4.0), product of:
            0.1399198 = queryWeight, product of:
              5.705423 = idf(docFreq=399, maxDocs=44218)
              0.024524003 = 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)
        0.0579826 = weight(_text_:buch in 856) [ClassicSimilarity], result of:
          0.0579826 = score(doc=856,freq=4.0), product of:
            0.11402117 = queryWeight, product of:
              4.64937 = idf(docFreq=1149, maxDocs=44218)
              0.024524003 = 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)
        0.022821985 = weight(_text_:und in 856) [ClassicSimilarity], result of:
          0.022821985 = score(doc=856,freq=12.0), product of:
            0.05435419 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.024524003 = 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)
        0.026649905 = product of:
          0.05329981 = sum of:
            0.05329981 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
              0.05329981 = score(doc=856,freq=4.0), product of:
                0.10931996 = queryWeight, product of:
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.024524003 = 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)
        0.07697632 = weight(_text_:informationswissenschaft in 856) [ClassicSimilarity], result of:
          0.07697632 = score(doc=856,freq=8.0), product of:
            0.1104734 = queryWeight, product of:
              4.504705 = idf(docFreq=1328, maxDocs=44218)
              0.024524003 = 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)
        0.05329981 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
          0.05329981 = score(doc=856,freq=4.0), product of:
            0.10931996 = queryWeight, product of:
              4.457672 = idf(docFreq=1392, maxDocs=44218)
              0.024524003 = 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)
        0.005722672 = product of:
          0.011445344 = sum of:
            0.011445344 = weight(_text_:1 in 856) [ClassicSimilarity], result of:
              0.011445344 = score(doc=856,freq=2.0), product of:
                0.06024328 = queryWeight, product of:
                  2.4565027 = idf(docFreq=10304, maxDocs=44218)
                  0.024524003 = queryNorm
                0.18998542 = fieldWeight in 856, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4565027 = idf(docFreq=10304, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=856)
          0.5 = coord(1/2)
        0.043657124 = product of:
          0.08731425 = sum of:
            0.08731425 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
              0.08731425 = score(doc=856,freq=4.0), product of:
                0.1399198 = queryWeight, product of:
                  5.705423 = idf(docFreq=399, maxDocs=44218)
                  0.024524003 = 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)
          0.5 = coord(1/2)
      0.3478261 = coord(8/23)
    
    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
    Footnote
    Text des Buches auch auf der Beilage CD von: Belew, R.K.: Finding out about: a cognitive perspective on search engine technology and the WWW. Cambridge: Cambridge University Press 2001. XXVII, 356 S. + 1 CD-ROM. ISBN 0-521-63028-2. [Sign.: 63 TWD 113]
    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