Search (1 results, page 1 of 1)

  • × author_ss:"Schabas, A.H."
  • × theme_ss:"Retrievalstudien"
  • × 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
    0.0018424251 = product of:
      0.02855759 = sum of:
        0.022690795 = weight(_text_:im in 5277) [ClassicSimilarity], result of:
          0.022690795 = score(doc=5277,freq=2.0), product of:
            0.060543913 = queryWeight, product of:
              2.8267863 = idf(docFreq=7115, maxDocs=44218)
              0.02141793 = queryNorm
            0.37478244 = fieldWeight in 5277, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.8267863 = idf(docFreq=7115, maxDocs=44218)
              0.09375 = fieldNorm(doc=5277)
        0.0058667944 = weight(_text_:e in 5277) [ClassicSimilarity], result of:
          0.0058667944 = score(doc=5277,freq=2.0), product of:
            0.03078549 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.02141793 = queryNorm
            0.19057012 = fieldWeight in 5277, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=5277)
      0.06451613 = coord(2/31)
    
    Language
    e
    Theme
    Verbale Doksprachen im Online-Retrieval