Document (#15283)

Author
Bonn, G.S.
Title
Relative usefulness of indexing and abstracting services
Source
College and research libraries. 11(1950) no.3, S.207-210
Year
1950
Theme
Indexierungsstudien

Similar documents (content)

  1. Katritzky, A.R.; Cato, S.J.; Deyrup, J.A.: Comparison of the scope, timeliness, and quality of chemical abstracts from VINITI and CAS (1993) 1.08
    1.0754946 = sum of:
      1.0754946 = product of:
        1.792491 = sum of:
          0.21472219 = weight(abstract_txt:services in 5451) [ClassicSimilarity], result of:
            0.21472219 = score(doc=5451,freq=3.0), product of:
              0.23633812 = queryWeight, product of:
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.05631982 = queryNorm
              0.9085381 = fieldWeight in 5451, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.125 = fieldNorm(doc=5451)
          0.6614675 = weight(abstract_txt:relative in 5451) [ClassicSimilarity], result of:
            0.6614675 = score(doc=5451,freq=3.0), product of:
              0.50036645 = queryWeight, product of:
                1.4550476 = boost
                6.1059003 = idf(docFreq=267, maxDocs=44218)
                0.05631982 = queryNorm
              1.3219662 = fieldWeight in 5451, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.1059003 = idf(docFreq=267, maxDocs=44218)
                0.125 = fieldNorm(doc=5451)
          0.9163012 = weight(abstract_txt:abstracting in 5451) [ClassicSimilarity], result of:
            0.9163012 = score(doc=5451,freq=3.0), product of:
              0.6217866 = queryWeight, product of:
                1.622011 = boost
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.05631982 = queryNorm
              1.4736587 = fieldWeight in 5451, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.125 = fieldNorm(doc=5451)
        0.6 = coord(3/5)
    
  2. Gorman, G.E.; Mills, J.J.: Guide to current indexing and abstracting services in the third world (1992) 0.83
    0.8306012 = sum of:
      0.8306012 = product of:
        1.3843353 = sum of:
          0.21694735 = weight(abstract_txt:services in 8004) [ClassicSimilarity], result of:
            0.21694735 = score(doc=8004,freq=1.0), product of:
              0.23633812 = queryWeight, product of:
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.05631982 = queryNorm
              0.91795325 = fieldWeight in 8004, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.21875 = fieldNorm(doc=8004)
          0.24159114 = weight(abstract_txt:indexing in 8004) [ClassicSimilarity], result of:
            0.24159114 = score(doc=8004,freq=1.0), product of:
              0.25391296 = queryWeight, product of:
                1.0365149 = boost
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.05631982 = queryNorm
              0.9514723 = fieldWeight in 8004, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.21875 = fieldNorm(doc=8004)
          0.92579687 = weight(abstract_txt:abstracting in 8004) [ClassicSimilarity], result of:
            0.92579687 = score(doc=8004,freq=1.0), product of:
              0.6217866 = queryWeight, product of:
                1.622011 = boost
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.05631982 = queryNorm
              1.4889302 = fieldWeight in 8004, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.21875 = fieldNorm(doc=8004)
        0.6 = coord(3/5)
    
  3. Bakewell, K.G.B.; Rowland, G.: Indexing and abstracting (1993) 0.76
    0.7635744 = sum of:
      0.7635744 = product of:
        1.272624 = sum of:
          0.10847367 = weight(abstract_txt:services in 5540) [ClassicSimilarity], result of:
            0.10847367 = score(doc=5540,freq=1.0), product of:
              0.23633812 = queryWeight, product of:
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.05631982 = queryNorm
              0.45897663 = fieldWeight in 5540, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.109375 = fieldNorm(doc=5540)
          0.3623867 = weight(abstract_txt:indexing in 5540) [ClassicSimilarity], result of:
            0.3623867 = score(doc=5540,freq=9.0), product of:
              0.25391296 = queryWeight, product of:
                1.0365149 = boost
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.05631982 = queryNorm
              1.4272084 = fieldWeight in 5540, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.109375 = fieldNorm(doc=5540)
          0.8017636 = weight(abstract_txt:abstracting in 5540) [ClassicSimilarity], result of:
            0.8017636 = score(doc=5540,freq=3.0), product of:
              0.6217866 = queryWeight, product of:
                1.622011 = boost
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.05631982 = queryNorm
              1.2894514 = fieldWeight in 5540, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.109375 = fieldNorm(doc=5540)
        0.6 = coord(3/5)
    
  4. Peek, R.: Will abstracting-and-indexing services become passé? : Repackaging with value-added services is on this searcher's wish list (1998) 0.61
    0.6061073 = sum of:
      0.6061073 = product of:
        1.0101788 = sum of:
          0.12396991 = weight(abstract_txt:services in 1812) [ClassicSimilarity], result of:
            0.12396991 = score(doc=1812,freq=1.0), product of:
              0.23633812 = queryWeight, product of:
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.05631982 = queryNorm
              0.5245447 = fieldWeight in 1812, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.125 = fieldNorm(doc=1812)
          0.13805208 = weight(abstract_txt:indexing in 1812) [ClassicSimilarity], result of:
            0.13805208 = score(doc=1812,freq=1.0), product of:
              0.25391296 = queryWeight, product of:
                1.0365149 = boost
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.05631982 = queryNorm
              0.54369843 = fieldWeight in 1812, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.125 = fieldNorm(doc=1812)
          0.74815685 = weight(abstract_txt:abstracting in 1812) [ClassicSimilarity], result of:
            0.74815685 = score(doc=1812,freq=2.0), product of:
              0.6217866 = queryWeight, product of:
                1.622011 = boost
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.05631982 = queryNorm
              1.2032373 = fieldWeight in 1812, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.125 = fieldNorm(doc=1812)
        0.6 = coord(3/5)
    
  5. DeSilva, S.M.: ¬A review of expert systems in library and information science (1997) 0.53
    0.5290806 = sum of:
      0.5290806 = product of:
        0.881801 = sum of:
          0.21472219 = weight(abstract_txt:services in 1407) [ClassicSimilarity], result of:
            0.21472219 = score(doc=1407,freq=3.0), product of:
              0.23633812 = queryWeight, product of:
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.05631982 = queryNorm
              0.9085381 = fieldWeight in 1407, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.1963577 = idf(docFreq=1808, maxDocs=44218)
                0.125 = fieldNorm(doc=1407)
          0.13805208 = weight(abstract_txt:indexing in 1407) [ClassicSimilarity], result of:
            0.13805208 = score(doc=1407,freq=1.0), product of:
              0.25391296 = queryWeight, product of:
                1.0365149 = boost
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.05631982 = queryNorm
              0.54369843 = fieldWeight in 1407, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3495874 = idf(docFreq=1551, maxDocs=44218)
                0.125 = fieldNorm(doc=1407)
          0.52902675 = weight(abstract_txt:abstracting in 1407) [ClassicSimilarity], result of:
            0.52902675 = score(doc=1407,freq=1.0), product of:
              0.6217866 = queryWeight, product of:
                1.622011 = boost
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.05631982 = queryNorm
              0.85081726 = fieldWeight in 1407, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.806538 = idf(docFreq=132, maxDocs=44218)
                0.125 = fieldNorm(doc=1407)
        0.6 = coord(3/5)