Search (2 results, page 1 of 1)

Salton, G.; Fox, E.A.; Voorhees, E.: Advanced feedback methods in information retrieval (1985) 0.02

0.021161474 = product of:
  0.0846459 = sum of:
    0.066795126 = weight(_text_:retrieval in 5445) [ClassicSimilarity], result of:
      0.066795126 = score(doc=5445,freq=2.0), product of:
        0.124912694 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.041294612 = queryNorm
        0.5347345 = fieldWeight in 5445, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.125 = fieldNorm(doc=5445)
    0.017850775 = weight(_text_:of in 5445) [ClassicSimilarity], result of:
      0.017850775 = score(doc=5445,freq=2.0), product of:
        0.06457475 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.041294612 = queryNorm
        0.27643585 = fieldWeight in 5445, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.125 = fieldNorm(doc=5445)
  0.25 = coord(2/8)

Source: Journal of the American Society for Information Science. 36(1985), S.200-210

Salton, G.; Voorhees, E.; Fox, E.A.: ¬A comparison of two methods for Boolean query relevance feedback (1984) 0.00

0.002231347 = product of:
  0.017850775 = sum of:
    0.017850775 = weight(_text_:of in 5446) [ClassicSimilarity], result of:
      0.017850775 = score(doc=5446,freq=2.0), product of:
        0.06457475 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.041294612 = queryNorm
        0.27643585 = fieldWeight in 5446, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.125 = fieldNorm(doc=5446)
  0.125 = coord(1/8)