Search (2 results, page 1 of 1)

  • × theme_ss:"Verbale Doksprachen im Online-Retrieval"
  • × year_i:[1970 TO 1980}
  1. Schabas, A.H.: ¬A comparative evaluation of the retrieval effectiveness of titles, Library of Congress Subject Headings and PRECIS strings for computer searching of UK MARC data (1979) 0.00
    0.002261309 = product of:
      0.004522618 = sum of:
        0.004522618 = product of:
          0.009045236 = sum of:
            0.009045236 = weight(_text_:a in 5277) [ClassicSimilarity], result of:
              0.009045236 = score(doc=5277,freq=2.0), product of:
                0.059167966 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.051314447 = queryNorm
                0.15287387 = fieldWeight in 5277, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.09375 = fieldNorm(doc=5277)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Gilchrist, A.: ¬The thesaurus in retrieval (1971) 0.00
    0.001884424 = product of:
      0.003768848 = sum of:
        0.003768848 = product of:
          0.007537696 = sum of:
            0.007537696 = weight(_text_:a in 4593) [ClassicSimilarity], result of:
              0.007537696 = score(doc=4593,freq=2.0), product of:
                0.059167966 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.051314447 = queryNorm
                0.12739488 = fieldWeight in 4593, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4593)
          0.5 = coord(1/2)
      0.5 = coord(1/2)