Search (2 results, page 1 of 1)

  • × author_ss:"Sparck Jones, K."
  • × theme_ss:"Automatisches Indexieren"
  • × year_i:[1970 TO 1980}
  1. Sparck Jones, K.; Jackson, D.M.: ¬The use of automatically obtained keyword classification for information retrieval (1970) 0.00
    0.0021561782 = product of:
      0.0043123565 = sum of:
        0.0043123565 = product of:
          0.008624713 = sum of:
            0.008624713 = weight(_text_:s in 5177) [ClassicSimilarity], result of:
              0.008624713 = score(doc=5177,freq=2.0), product of:
                0.044874042 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.041273445 = queryNorm
                0.19219826 = fieldWeight in 5177, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.125 = fieldNorm(doc=5177)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information storage and retrieval. 5(1970), S.175-201
  2. Sparck Jones, K.: Index term weighting (1973) 0.00
    0.0021561782 = product of:
      0.0043123565 = sum of:
        0.0043123565 = product of:
          0.008624713 = sum of:
            0.008624713 = weight(_text_:s in 5491) [ClassicSimilarity], result of:
              0.008624713 = score(doc=5491,freq=2.0), product of:
                0.044874042 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.041273445 = queryNorm
                0.19219826 = fieldWeight in 5491, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.125 = fieldNorm(doc=5491)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information storage and retrieval. 9(1973), S.619-633