Search (1 results, page 1 of 1)

  • × author_ss:"Ongering, H."
  • × language_ss:"nl"
  • × theme_ss:"Retrievalstudien"
  1. Ongering, H.; Riesthuis, G.J.A.: ¬De ontsluiting in het ADION-systeem : precision en recall (1989) 0.00
    0.002601543 = product of:
      0.015609258 = sum of:
        0.015609258 = weight(_text_:in in 416) [ClassicSimilarity], result of:
          0.015609258 = score(doc=416,freq=2.0), product of:
            0.06491381 = queryWeight, product of:
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.04772181 = queryNorm
            0.24046129 = fieldWeight in 416, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.3602545 = idf(docFreq=30841, maxDocs=44218)
              0.125 = fieldNorm(doc=416)
      0.16666667 = coord(1/6)