Search (7 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × author_ss:"Willett, P."
  1. Perry, R.; Willett, P.: ¬A revies of the use of inverted files for best match searching in information retrieval systems (1983) 0.00 
    6.1006215E-4 = product of:
  0.014641492 = sum of:
    0.014641492 = product of:
      0.043924473 = sum of:
        0.043924473 = weight(_text_:p in 2701) [ClassicSimilarity], result of:
          0.043924473 = score(doc=2701,freq=2.0), product of:
            0.078979194 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.021966046 = queryNorm
            0.55615246 = fieldWeight in 2701, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.109375 = fieldNorm(doc=2701)
      0.33333334 = coord(1/3)
  0.041666668 = coord(1/24)
  2. Willett, P.: Best-match text retrieval (1993) 0.00 
    4.357587E-4 = product of:
  0.010458209 = sum of:
    0.010458209 = product of:
      0.031374626 = sum of:
        0.031374626 = weight(_text_:p in 7818) [ClassicSimilarity], result of:
          0.031374626 = score(doc=7818,freq=2.0), product of:
            0.078979194 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.021966046 = queryNorm
            0.39725178 = fieldWeight in 7818, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.078125 = fieldNorm(doc=7818)
      0.33333334 = coord(1/3)
  0.041666668 = coord(1/24)
  3. Al-Hawamdeh, S.; Smith, G.; Willett, P.; Vere, R. de: Using nearest-neighbour searching techniques to access full-text documents (1991) 0.00 
    3.4860696E-4 = product of:
  0.008366567 = sum of:
    0.008366567 = product of:
      0.0250997 = sum of:
        0.0250997 = weight(_text_:p in 2300) [ClassicSimilarity], result of:
          0.0250997 = score(doc=2300,freq=2.0), product of:
            0.078979194 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.021966046 = queryNorm
            0.31780142 = fieldWeight in 2300, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0625 = fieldNorm(doc=2300)
      0.33333334 = coord(1/3)
  0.041666668 = coord(1/24)
  4. Jones, G.; Robertson, A.M.; Willett, P.: ¬An introduction to genetic algorithms and to their use in information retrieval (1994) 0.00 
    3.4860696E-4 = product of:
  0.008366567 = sum of:
    0.008366567 = product of:
      0.0250997 = sum of:
        0.0250997 = weight(_text_:p in 7415) [ClassicSimilarity], result of:
          0.0250997 = score(doc=7415,freq=2.0), product of:
            0.078979194 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.021966046 = queryNorm
            0.31780142 = fieldWeight in 7415, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0625 = fieldNorm(doc=7415)
      0.33333334 = coord(1/3)
  0.041666668 = coord(1/24)
  5. Robertson, A.M.; Willett, P.: Use of genetic algorithms in information retrieval (1995) 0.00 
    3.4860696E-4 = product of:
  0.008366567 = sum of:
    0.008366567 = product of:
      0.0250997 = sum of:
        0.0250997 = weight(_text_:p in 2418) [ClassicSimilarity], result of:
          0.0250997 = score(doc=2418,freq=2.0), product of:
            0.078979194 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.021966046 = queryNorm
            0.31780142 = fieldWeight in 2418, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0625 = fieldNorm(doc=2418)
      0.33333334 = coord(1/3)
  0.041666668 = coord(1/24)
  6. Robertson, M.; Willett, P.: ¬An upperbound to the performance of ranked output searching : optimal weighting of query terms using a genetic algorithms (1996) 0.00 
    3.4860696E-4 = product of:
  0.008366567 = sum of:
    0.008366567 = product of:
      0.0250997 = sum of:
        0.0250997 = weight(_text_:p in 6977) [ClassicSimilarity], result of:
          0.0250997 = score(doc=6977,freq=2.0), product of:
            0.078979194 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.021966046 = queryNorm
            0.31780142 = fieldWeight in 6977, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0625 = fieldNorm(doc=6977)
      0.33333334 = coord(1/3)
  0.041666668 = coord(1/24)
  7. Li, J.; Willett, P.: ArticleRank : a PageRank-based alternative to numbers of citations for analysing citation networks (2009) 0.00 
    2.1787935E-4 = product of:
  0.0052291043 = sum of:
    0.0052291043 = product of:
      0.015687313 = sum of:
        0.015687313 = weight(_text_:p in 751) [ClassicSimilarity], result of:
          0.015687313 = score(doc=751,freq=2.0), product of:
            0.078979194 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.021966046 = queryNorm
            0.19862589 = fieldWeight in 751, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0390625 = fieldNorm(doc=751)
      0.33333334 = coord(1/3)
  0.041666668 = coord(1/24)

Authors

Years

Types