Search (1 results, page 1 of 1)

  • × theme_ss:"OPAC"
  • × language_ss:"ja"
  1. Hirawa, M.: Role of keywords in the network searching era (1998) 0.02
    0.022552451 = product of:
      0.045104902 = sum of:
        0.045104902 = product of:
          0.090209804 = sum of:
            0.090209804 = weight(_text_:network in 3446) [ClassicSimilarity], result of:
              0.090209804 = score(doc=3446,freq=2.0), product of:
                0.22917621 = queryWeight, product of:
                  4.4533744 = idf(docFreq=1398, maxDocs=44218)
                  0.05146125 = queryNorm
                0.3936264 = fieldWeight in 3446, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.4533744 = idf(docFreq=1398, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3446)
          0.5 = coord(1/2)
      0.5 = coord(1/2)