Search (2 results, page 1 of 1)

  • × year_i:[1990 TO 2000}
  • × subject_ss:"Information retrieval"
  1. Blair, D.C.: Language and representation in information retrieval (1991) 0.02
    0.021779861 = product of:
      0.06533958 = sum of:
        0.06533958 = product of:
          0.13067916 = sum of:
            0.13067916 = weight(_text_:informationssysteme in 1545) [ClassicSimilarity], result of:
              0.13067916 = score(doc=1545,freq=8.0), product of:
                0.26235193 = queryWeight, product of:
                  5.6354303 = idf(docFreq=428, maxDocs=44218)
                  0.046554018 = queryNorm
                0.49810636 = fieldWeight in 1545, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  5.6354303 = idf(docFreq=428, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1545)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Classification
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
    RVK
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
  2. Ellis, D.: Progress and problems in information retrieval (1996) 0.01
    0.008409902 = product of:
      0.025229705 = sum of:
        0.025229705 = product of:
          0.05045941 = sum of:
            0.05045941 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
              0.05045941 = score(doc=789,freq=2.0), product of:
                0.16302423 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046554018 = queryNorm
                0.30952093 = fieldWeight in 789, 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=789)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    26. 7.2002 20:22:46