Search (2 results, page 1 of 1)

  • × subject_ss:"Information retrieval"
  • × year_i:[1990 TO 2000}
  1. Blair, D.C.: Language and representation in information retrieval (1991) 0.02
    0.016763642 = product of:
      0.050290924 = sum of:
        0.050290924 = product of:
          0.10058185 = sum of:
            0.10058185 = weight(_text_:datenbanken in 1545) [ClassicSimilarity], result of:
              0.10058185 = score(doc=1545,freq=8.0), product of:
                0.23111258 = queryWeight, product of:
                  4.9238067 = idf(docFreq=873, maxDocs=44218)
                  0.046937786 = queryNorm
                0.43520713 = fieldWeight in 1545, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  4.9238067 = idf(docFreq=873, 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
    0.008479229 = product of:
      0.025437687 = sum of:
        0.025437687 = product of:
          0.050875373 = sum of:
            0.050875373 = weight(_text_:22 in 789) [ClassicSimilarity], result of:
              0.050875373 = score(doc=789,freq=2.0), product of:
                0.16436812 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046937786 = 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