Search (2 results, page 1 of 1)

  • × author_ss:"Robertson, S.E."
  • × year_i:[1990 TO 2000}
  1. Robertson, S.E.; Walker, S.; Beaulieu, M.M.; Gatford, M.; Payne, A.: Okapi at TREC-4 (1996) 0.02
    0.021355918 = product of:
      0.042711835 = sum of:
        0.042711835 = product of:
          0.08542367 = sum of:
            0.08542367 = weight(_text_:k in 7546) [ClassicSimilarity], result of:
              0.08542367 = score(doc=7546,freq=2.0), product of:
                0.180489 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.050560288 = queryNorm
                0.47329018 = fieldWeight in 7546, 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=7546)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman
  2. Robertson, S.E.; Sparck Jones, K.: Simple, proven approaches to text retrieval (1997) 0.01
    0.008898299 = product of:
      0.017796598 = sum of:
        0.017796598 = product of:
          0.035593197 = sum of:
            0.035593197 = weight(_text_:k in 4532) [ClassicSimilarity], result of:
              0.035593197 = score(doc=4532,freq=2.0), product of:
                0.180489 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.050560288 = 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)