Search (2 results, page 1 of 1)

  • × classification_ss:"ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme"
  • × subject_ss:"Information retrieval"
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.02
    0.019224025 = product of:
      0.03844805 = sum of:
        0.03844805 = product of:
          0.057672076 = sum of:
            0.008315561 = weight(_text_:e in 217) [ClassicSimilarity], result of:
              0.008315561 = score(doc=217,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.12704675 = fieldWeight in 217, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0625 = fieldNorm(doc=217)
            0.049356513 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
              0.049356513 = score(doc=217,freq=2.0), product of:
                0.15946099 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04553648 = queryNorm
                0.30952093 = fieldWeight in 217, 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=217)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 4.2007 10:07:51
    Language
    e
  2. Blair, D.C.: Language and representation in information retrieval (1991) 0.00
    6.929635E-4 = product of:
      0.001385927 = sum of:
        0.001385927 = product of:
          0.0041577807 = sum of:
            0.0041577807 = weight(_text_:e in 1545) [ClassicSimilarity], result of:
              0.0041577807 = score(doc=1545,freq=2.0), product of:
                0.06545277 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.04553648 = queryNorm
                0.063523374 = fieldWeight in 1545, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1545)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    e