Search (1 results, page 1 of 1)

  • × subject_ss:"Databases / Design"
  • × year_i:[1980 TO 1990}
  1. Fidel, R.: Database design for information retrieval : a conceptual approach (1987) 0.01
    0.006877549 = product of:
      0.020632647 = sum of:
        0.020632647 = product of:
          0.06189794 = sum of:
            0.06189794 = weight(_text_:retrieval in 8314) [ClassicSimilarity], result of:
              0.06189794 = score(doc=8314,freq=2.0), product of:
                0.15433937 = queryWeight, product of:
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.051022716 = queryNorm
                0.40105087 = fieldWeight in 8314, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.09375 = fieldNorm(doc=8314)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)