Search (5 results, page 1 of 1)

  • × author_ss:"Sparck Jones, K."
  • × theme_ss:"Retrievalalgorithmen"
  1. Sparck Jones, K.: Search term relevance weighting given little relevance information (1979) 0.02 
    0.022343427 = product of:
  0.044686854 = sum of:
    0.044686854 = product of:
      0.08937371 = sum of:
        0.08937371 = weight(_text_:k in 1939) [ClassicSimilarity], result of:
          0.08937371 = score(doc=1939,freq=4.0), product of:
            0.13352646 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037404697 = 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) 0.02 
    0.021065587 = product of:
  0.042131174 = sum of:
    0.042131174 = product of:
      0.08426235 = sum of:
        0.08426235 = weight(_text_:k in 5187) [ClassicSimilarity], result of:
          0.08426235 = score(doc=5187,freq=2.0), product of:
            0.13352646 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037404697 = 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. Sparck Jones, K.: IDF term weighting and IR research lessons (2004) 0.01 
    0.013165992 = product of:
  0.026331984 = sum of:
    0.026331984 = product of:
      0.052663967 = sum of:
        0.052663967 = weight(_text_:k in 4422) [ClassicSimilarity], result of:
          0.052663967 = score(doc=4422,freq=2.0), product of:
            0.13352646 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037404697 = queryNorm
            0.39440846 = fieldWeight in 4422, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.078125 = fieldNorm(doc=4422)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  4. Sparck Jones, K.: ¬A statistical interpretation of term specificity and its application in retrieval (2004) 0.01 
    0.009216195 = product of:
  0.01843239 = sum of:
    0.01843239 = product of:
      0.03686478 = sum of:
        0.03686478 = weight(_text_:k in 4420) [ClassicSimilarity], result of:
          0.03686478 = score(doc=4420,freq=2.0), product of:
            0.13352646 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037404697 = queryNorm
            0.27608594 = fieldWeight in 4420, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4420)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  5. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.01 
    0.006582996 = product of:
  0.013165992 = sum of:
    0.013165992 = product of:
      0.026331984 = sum of:
        0.026331984 = weight(_text_:k in 4532) [ClassicSimilarity], result of:
          0.026331984 = score(doc=4532,freq=2.0), product of:
            0.13352646 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.037404697 = queryNorm
            0.19720423 = fieldWeight in 4532, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4532)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Years

Types