Search (1 results, page 1 of 1)

  • × author_ss:"Cooper, W."
  • × year_i:[1970 TO 1980}
  1. Bookstein, A.; Cooper, W.: ¬A general mathematical model for information retrieval systems (1976) 0.01
    0.012754875 = product of:
      0.02550975 = sum of:
        0.02550975 = product of:
          0.0510195 = sum of:
            0.0510195 = weight(_text_:w in 5461) [ClassicSimilarity], result of:
              0.0510195 = score(doc=5461,freq=2.0), product of:
                0.17310768 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.045425482 = queryNorm
                0.29472697 = fieldWeight in 5461, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5461)
          0.5 = coord(1/2)
      0.5 = coord(1/2)