Search (5 results, page 1 of 1)

  • × author_ss:"Sparck Jones, K."
  • × theme_ss:"Retrievalalgorithmen"
  1. Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972) 0.00
    0.00468081 = product of:
      0.00936162 = sum of:
        0.00936162 = product of:
          0.01872324 = sum of:
            0.01872324 = weight(_text_:e in 5187) [ClassicSimilarity], result of:
              0.01872324 = score(doc=5187,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.2540935 = fieldWeight in 5187, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.125 = fieldNorm(doc=5187)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  2. Sparck Jones, K.: Search term relevance weighting given little relevance information (1979) 0.00
    0.0035106074 = product of:
      0.007021215 = sum of:
        0.007021215 = product of:
          0.01404243 = sum of:
            0.01404243 = weight(_text_:e in 1939) [ClassicSimilarity], result of:
              0.01404243 = score(doc=1939,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.19057012 = fieldWeight in 1939, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1939)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  3. Sparck Jones, K.: IDF term weighting and IR research lessons (2004) 0.00
    0.0029255063 = product of:
      0.0058510127 = sum of:
        0.0058510127 = product of:
          0.011702025 = sum of:
            0.011702025 = weight(_text_:e in 4422) [ClassicSimilarity], result of:
              0.011702025 = score(doc=4422,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.15880844 = fieldWeight in 4422, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4422)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  4. Sparck Jones, K.: ¬A statistical interpretation of term specificity and its application in retrieval (2004) 0.00
    0.0020478545 = product of:
      0.004095709 = sum of:
        0.004095709 = product of:
          0.008191418 = sum of:
            0.008191418 = weight(_text_:e in 4420) [ClassicSimilarity], result of:
              0.008191418 = score(doc=4420,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.1111659 = fieldWeight in 4420, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4420)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e
  5. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.00
    0.0014627532 = product of:
      0.0029255063 = sum of:
        0.0029255063 = product of:
          0.0058510127 = sum of:
            0.0058510127 = weight(_text_:e in 4532) [ClassicSimilarity], result of:
              0.0058510127 = score(doc=4532,freq=2.0), product of:
                0.07368642 = queryWeight, product of:
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.05126476 = queryNorm
                0.07940422 = fieldWeight in 4532, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.43737 = idf(docFreq=28552, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4532)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Language
    e

Types