Search (3 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × year_i:[1970 TO 1980}
  1. Sparck Jones, K.: Search term relevance weighting given little relevance information (1979) 0.03 
    0.027184527 = product of:
  0.054369055 = sum of:
    0.054369055 = product of:
      0.10873811 = sum of:
        0.10873811 = weight(_text_:k in 1939) [ClassicSimilarity], result of:
          0.10873811 = score(doc=1939,freq=4.0), product of:
            0.16245733 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.045509085 = queryNorm
            0.66933334 = fieldWeight in 1939, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.09375 = fieldNorm(doc=1939)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.329-338.
  2. Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972) 0.03 
    0.02562982 = product of:
  0.05125964 = sum of:
    0.05125964 = product of:
      0.10251928 = sum of:
        0.10251928 = weight(_text_:k in 5187) [ClassicSimilarity], result of:
          0.10251928 = score(doc=5187,freq=2.0), product of:
            0.16245733 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.045509085 = queryNorm
            0.63105357 = fieldWeight in 5187, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.125 = fieldNorm(doc=5187)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Robertson, S.E.: ¬The probability ranking principle in IR (1977) 0.02 
    0.019222366 = product of:
  0.03844473 = sum of:
    0.03844473 = product of:
      0.07688946 = sum of:
        0.07688946 = weight(_text_:k in 1935) [ClassicSimilarity], result of:
          0.07688946 = score(doc=1935,freq=2.0), product of:
            0.16245733 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.045509085 = queryNorm
            0.47329018 = fieldWeight in 1935, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.09375 = fieldNorm(doc=1935)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willet. San Francisco: Morgan Kaufmann 1997. S.281-286.

Authors