Document (#7566)

Author

Lipetz, B.A.

Title

Counting heads : what is the ideal index structure?

Source

Keywords. 1(1993) no.7, S.8-12

Year

1993

Theme

Register

Similar documents (author)

1. Lipetz, B.A.: Improvement of the selectivity of citation indexes to science literature throught the inclusion of citation relationship indicators (1965) 5.94

   5.937289 = sum of:
     5.937289 = weight(author_txt:lipetz in 7776) [ClassicSimilarity], result of:
       5.937289 = fieldWeight in 7776, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.499662 = idf(docFreq=8, maxDocs=44218)
         0.625 = fieldNorm(doc=7776)
   

2. Lipetz, B.-A.: ¬The usefulness of indexes (1989) 4.75

   4.749831 = sum of:
     4.749831 = weight(author_txt:lipetz in 812) [ClassicSimilarity], result of:
       4.749831 = fieldWeight in 812, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.499662 = idf(docFreq=8, maxDocs=44218)
         0.5 = fieldNorm(doc=812)
   

3. Lipetz, B.-A.: ¬The usefulness of indexes (1989) 4.75

   4.749831 = sum of:
     4.749831 = weight(author_txt:lipetz in 875) [ClassicSimilarity], result of:
       4.749831 = fieldWeight in 875, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.499662 = idf(docFreq=8, maxDocs=44218)
         0.5 = fieldNorm(doc=875)
   

4. Lipetz, B.-A.: User requirements in identifying desired works in a large library (1970) 4.75

   4.749831 = sum of:
     4.749831 = weight(author_txt:lipetz in 1969) [ClassicSimilarity], result of:
       4.749831 = fieldWeight in 1969, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.499662 = idf(docFreq=8, maxDocs=44218)
         0.5 = fieldNorm(doc=1969)
   

5. Lipetz, B.-A.: Better indexing with cool heads and subheads (1994) 4.75

   4.749831 = sum of:
     4.749831 = weight(author_txt:lipetz in 1165) [ClassicSimilarity], result of:
       4.749831 = fieldWeight in 1165, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.499662 = idf(docFreq=8, maxDocs=44218)
         0.5 = fieldNorm(doc=1165)
   

Similar documents (content)

1. Zhao, D.; Strotmann, A.: Counting first, last, or all authors in citation analysis : a comprehensive comparison in the highly collaborative stem cell research field (2011) 0.35

   0.35434675 = sum of:
     0.35434675 = product of:
       1.0630403 = sum of:
         0.72271514 = weight(abstract_txt:counting in 4368) [ClassicSimilarity], result of:
           0.72271514 = score(doc=4368,freq=8.0), product of:
             0.5377535 = queryWeight, product of:
               1.7619839 = boost
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.040144168 = queryNorm
             1.3439524 = fieldWeight in 4368, product of:
               2.828427 = tf(freq=8.0), with freq of:
                 8.0 = termFreq=8.0
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.0625 = fieldNorm(doc=4368)
         0.34032512 = weight(abstract_txt:heads in 4368) [ClassicSimilarity], result of:
           0.34032512 = score(doc=4368,freq=1.0), product of:
             0.6509753 = queryWeight, product of:
               1.9386194 = boost
               8.364683 = idf(docFreq=27, maxDocs=44218)
               0.040144168 = queryNorm
             0.5227927 = fieldWeight in 4368, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.364683 = idf(docFreq=27, maxDocs=44218)
               0.0625 = fieldNorm(doc=4368)
       0.33333334 = coord(2/6)
   

2. Diodato, V.; Gandt, G.: Back of book indexes and the characteristics of author and nonauthor indexing : report of an exploratory study (1991) 0.21

   0.21181807 = sum of:
     0.21181807 = product of:
       0.6354542 = sum of:
         0.093417786 = weight(abstract_txt:index in 1114) [ClassicSimilarity], result of:
           0.093417786 = score(doc=1114,freq=1.0), product of:
             0.20982668 = queryWeight, product of:
               1.1006283 = boost
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.040144168 = queryNorm
             0.44521406 = fieldWeight in 1114, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.09375 = fieldNorm(doc=1114)
         0.5420364 = weight(abstract_txt:counting in 1114) [ClassicSimilarity], result of:
           0.5420364 = score(doc=1114,freq=2.0), product of:
             0.5377535 = queryWeight, product of:
               1.7619839 = boost
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.040144168 = queryNorm
             1.0079644 = fieldWeight in 1114, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.09375 = fieldNorm(doc=1114)
       0.33333334 = coord(2/6)
   

3. Leydesdorff, L.; Radicchi, F.; Bornmann, L.; Castellano, C.; Nooy, W. de: Field-normalized impact factors (IFs) : a comparison of rescaling and fractionally counted IFs (2013) 0.21

   0.2103539 = sum of:
     0.2103539 = product of:
       0.6310617 = sum of:
         0.07784816 = weight(abstract_txt:index in 1108) [ClassicSimilarity], result of:
           0.07784816 = score(doc=1108,freq=1.0), product of:
             0.20982668 = queryWeight, product of:
               1.1006283 = boost
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.040144168 = queryNorm
             0.37101173 = fieldWeight in 1108, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.078125 = fieldNorm(doc=1108)
         0.55321354 = weight(abstract_txt:counting in 1108) [ClassicSimilarity], result of:
           0.55321354 = score(doc=1108,freq=3.0), product of:
             0.5377535 = queryWeight, product of:
               1.7619839 = boost
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.040144168 = queryNorm
             1.0287492 = fieldWeight in 1108, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.078125 = fieldNorm(doc=1108)
       0.33333334 = coord(2/6)
   

4. Lipetz, B.-A.: Better indexing with cool heads and subheads (1994) 0.20

   0.20223367 = sum of:
     0.20223367 = product of:
       0.606701 = sum of:
         0.15569632 = weight(abstract_txt:index in 1165) [ClassicSimilarity], result of:
           0.15569632 = score(doc=1165,freq=1.0), product of:
             0.20982668 = queryWeight, product of:
               1.1006283 = boost
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.040144168 = queryNorm
             0.74202347 = fieldWeight in 1165, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.15625 = fieldNorm(doc=1165)
         0.45100468 = weight(abstract_txt:ideal in 1165) [ClassicSimilarity], result of:
           0.45100468 = score(doc=1165,freq=1.0), product of:
             0.42637905 = queryWeight, product of:
               1.5689468 = boost
               6.769634 = idf(docFreq=137, maxDocs=44218)
               0.040144168 = queryNorm
             1.0577552 = fieldWeight in 1165, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.769634 = idf(docFreq=137, maxDocs=44218)
               0.15625 = fieldNorm(doc=1165)
       0.33333334 = coord(2/6)
   

5. Strotmann, A.; Zhao, D.: Author name disambiguation : what difference does it make in author-based citation analysis? (2012) 0.20

   0.19861451 = sum of:
     0.19861451 = product of:
       0.5958435 = sum of:
         0.25551838 = weight(abstract_txt:counting in 389) [ClassicSimilarity], result of:
           0.25551838 = score(doc=389,freq=1.0), product of:
             0.5377535 = queryWeight, product of:
               1.7619839 = boost
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.040144168 = queryNorm
             0.47515893 = fieldWeight in 389, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.602543 = idf(docFreq=59, maxDocs=44218)
               0.0625 = fieldNorm(doc=389)
         0.34032512 = weight(abstract_txt:heads in 389) [ClassicSimilarity], result of:
           0.34032512 = score(doc=389,freq=1.0), product of:
             0.6509753 = queryWeight, product of:
               1.9386194 = boost
               8.364683 = idf(docFreq=27, maxDocs=44218)
               0.040144168 = queryNorm
             0.5227927 = fieldWeight in 389, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.364683 = idf(docFreq=27, maxDocs=44218)
               0.0625 = fieldNorm(doc=389)
       0.33333334 = coord(2/6)