Search (1 results, page 1 of 1)

  • × year_i:[1970 TO 1980}
  • × subject_ss:"Information Retrieval"
  1. Rijsbergen, C.J. van: Information retrieval (1979) 0.01 
    0.010122653 = product of:
  0.080981225 = sum of:
    0.080981225 = weight(_text_:entwicklung in 856) [ClassicSimilarity], result of:
      0.080981225 = score(doc=856,freq=4.0), product of:
        0.16539653 = queryWeight, product of:
          4.4765134 = idf(docFreq=1366, maxDocs=44218)
          0.036947623 = queryNorm
        0.48961866 = fieldWeight in 856, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          4.4765134 = idf(docFreq=1366, maxDocs=44218)
          0.0546875 = fieldNorm(doc=856)
  0.125 = coord(1/8)
    Classification
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
    RVK
    ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme