Search (3 results, page 1 of 1)

  • × language_ss:"nl"
  • × theme_ss:"Retrievalstudien"
  1. Ongering, H.; Riesthuis, G.J.A.: ¬De ontsluiting in het ADION-systeem : precision en recall (1989) 0.01
    0.013909556 = product of:
      0.027819112 = sum of:
        0.027819112 = product of:
          0.055638224 = sum of:
            0.055638224 = weight(_text_:h in 416) [ClassicSimilarity], result of:
              0.055638224 = score(doc=416,freq=2.0), product of:
                0.12668294 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.05099035 = queryNorm
                0.4391927 = fieldWeight in 416, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.125 = fieldNorm(doc=416)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Voorbij, H.: Titelwoorden - trefwoorden : een vergelijkend onderzoek (1997) 0.01
    0.012170861 = product of:
      0.024341721 = sum of:
        0.024341721 = product of:
          0.048683442 = sum of:
            0.048683442 = weight(_text_:h in 3175) [ClassicSimilarity], result of:
              0.048683442 = score(doc=3175,freq=2.0), product of:
                0.12668294 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.05099035 = queryNorm
                0.38429362 = fieldWeight in 3175, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3175)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Voorbij, H.: ¬Een goede titel behoeft geen trefwoord, of toch wel? : een vergelijkend oderzoek titelwoorden - trefwoorden (1997) 0.01
    0.0060854303 = product of:
      0.012170861 = sum of:
        0.012170861 = product of:
          0.024341721 = sum of:
            0.024341721 = weight(_text_:h in 1446) [ClassicSimilarity], result of:
              0.024341721 = score(doc=1446,freq=2.0), product of:
                0.12668294 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.05099035 = queryNorm
                0.19214681 = fieldWeight in 1446, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1446)
          0.5 = coord(1/2)
      0.5 = coord(1/2)