Search (1 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × type_ss:"d"
  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
    0.0012658038 = product of:
      0.0037974115 = sum of:
        0.0037974115 = product of:
          0.007594823 = sum of:
            0.007594823 = weight(_text_:a in 5277) [ClassicSimilarity], result of:
              0.007594823 = score(doc=5277,freq=2.0), product of:
                0.04968032 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.04308612 = 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)
      0.33333334 = coord(1/3)