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"
  • × theme_ss:"Grundlagen u. Einführungen: Allgemeine Literatur"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.05 
    0.04502201 = product of:
  0.09004402 = sum of:
    0.09004402 = product of:
      0.18008804 = sum of:
        0.18008804 = weight(_text_:c.j in 856) [ClassicSimilarity], result of:
          0.18008804 = score(doc=856,freq=2.0), product of:
            0.33577883 = queryWeight, product of:
              6.9347134 = idf(docFreq=116, maxDocs=44218)
              0.04842 = queryNorm
            0.5363293 = fieldWeight in 856, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              6.9347134 = idf(docFreq=116, maxDocs=44218)
              0.0546875 = fieldNorm(doc=856)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.01 
    0.013120484 = product of:
  0.026240967 = sum of:
    0.026240967 = product of:
      0.052481934 = sum of:
        0.052481934 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
          0.052481934 = score(doc=217,freq=2.0), product of:
            0.1695586 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04842 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    22. 4.2007 10:07:51

Authors

Years

Subjects

Classifications