Search (3 results, page 1 of 1)

  • × language_ss:"e"
  • × subject_ss:"Information retrieval"
  • × year_i:[1980 TO 1990}
  1. Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.02
    0.018005218 = product of:
      0.036010437 = sum of:
        0.036010437 = product of:
          0.05401565 = sum of:
            0.0047490974 = weight(_text_:s in 217) [ClassicSimilarity], result of:
              0.0047490974 = score(doc=217,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.09609913 = fieldWeight in 217, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=217)
            0.049266554 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
              0.049266554 = score(doc=217,freq=2.0), product of:
                0.15917034 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04545348 = 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
    Pages
    XVII,270 S
  2. Fugmann, R.: ¬The analytico-synthetic foundation for large indexing & information retrieval systems : dedicated to Prof. Dr. Werner Schultheis, the vigorous initiator of modern chem. documentation in Germany on the occasion of his 85th birthday (1983) 0.00
    0.001119373 = product of:
      0.002238746 = sum of:
        0.002238746 = product of:
          0.006716238 = sum of:
            0.006716238 = weight(_text_:s in 215) [ClassicSimilarity], result of:
              0.006716238 = score(doc=215,freq=4.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.1359047 = fieldWeight in 215, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=215)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Footnote
    Rez. in: International classification 12(1985) S.106 (L. Kalok)
    Pages
    58 S
  3. Booth, P.F.; South, M.L.: Information filing and finding (1982) 0.00
    9.893953E-4 = product of:
      0.0019787906 = sum of:
        0.0019787906 = product of:
          0.0059363716 = sum of:
            0.0059363716 = weight(_text_:s in 4192) [ClassicSimilarity], result of:
              0.0059363716 = score(doc=4192,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.120123915 = fieldWeight in 4192, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4192)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Pages
    XVIII, 300 S