Document (#32119)

Author

Reiner, U.

Title

Automatic analysis of DDC notations

Source

http://www.nb.admin.ch/slb/slb_professionnel/projektarbeit/00729/01615/01675/index.html?lang=de

Year

2007

Content

Vortrag während der EDUG-Konferenz der European DDC users' group am 11.06.2007 in Bern.

Theme

International bedeutende Universalklassifikationen
Automatisches Klassifizieren

Object

DDC
Colibri

Similar documents (author)

1. Reiner, U.: Automatische DDC-Klassifizierung von bibliografischen Titeldatensätzen (2009) 5.71

   5.7103243 = sum of:
     5.7103243 = weight(author_txt:reiner in 1611) [ClassicSimilarity], result of:
       5.7103243 = fieldWeight in 1611, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.1365185 = idf(docFreq=12, maxDocs=44421)
         0.625 = fieldNorm(doc=1611)
   

2. Reiner, U.: Anfragesprachen für Informationssysteme (1991) 5.71

   5.7103243 = sum of:
     5.7103243 = weight(author_txt:reiner in 5553) [ClassicSimilarity], result of:
       5.7103243 = fieldWeight in 5553, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.1365185 = idf(docFreq=12, maxDocs=44421)
         0.625 = fieldNorm(doc=5553)
   

3. Reiner, U.: DDC-basierte Suche in heterogenen digitalen Bibliotheks- und Wissensbeständen (2005) 5.71

   5.7103243 = sum of:
     5.7103243 = weight(author_txt:reiner in 5854) [ClassicSimilarity], result of:
       5.7103243 = fieldWeight in 5854, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.1365185 = idf(docFreq=12, maxDocs=44421)
         0.625 = fieldNorm(doc=5854)
   

4. Reiner, U.: DDC-based search in the data of the German National Bibliography (2008) 5.71

   5.7103243 = sum of:
     5.7103243 = weight(author_txt:reiner in 3166) [ClassicSimilarity], result of:
       5.7103243 = fieldWeight in 3166, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.1365185 = idf(docFreq=12, maxDocs=44421)
         0.625 = fieldNorm(doc=3166)
   

5. Reiner, U.: VZG-Projekt Colibri : Bewertung von automatisch DDC-klassifizierten Titeldatensätzen der Deutschen Nationalbibliothek (DNB) (2009) 5.71

   5.7103243 = sum of:
     5.7103243 = weight(author_txt:reiner in 3675) [ClassicSimilarity], result of:
       5.7103243 = fieldWeight in 3675, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.1365185 = idf(docFreq=12, maxDocs=44421)
         0.625 = fieldNorm(doc=3675)
   

Similar documents (content)

1. Studwell, W.E.: Subject suggestions 1 : some concerns relating to geographic areas (1988) 0.76

   0.7598398 = sum of:
     0.7598398 = product of:
       1.1397597 = sum of:
         0.2544631 = weight(abstract_txt:automatic in 2264) [ClassicSimilarity], result of:
           0.2544631 = score(doc=2264,freq=1.0), product of:
             0.39180696 = queryWeight, product of:
               1.4251636 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.052913286 = queryNorm
             0.64946043 = fieldWeight in 2264, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.125 = fieldNorm(doc=2264)
         0.8852966 = weight(abstract_txt:notations in 2264) [ClassicSimilarity], result of:
           0.8852966 = score(doc=2264,freq=1.0), product of:
             0.8995972 = queryWeight, product of:
               2.1594975 = boost
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.052913286 = queryNorm
             0.98410326 = fieldWeight in 2264, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.125 = fieldNorm(doc=2264)
       0.6666667 = coord(2/3)
   

2. Riesthuis, G.J.A.: Zoeken met woorden : hergebruik van onderwerpsontsluiting (1998) 0.74

   0.7377472 = sum of:
     0.7377472 = product of:
       2.2132416 = sum of:
         2.2132416 = weight(abstract_txt:notations in 4154) [ClassicSimilarity], result of:
           2.2132416 = score(doc=4154,freq=1.0), product of:
             0.8995972 = queryWeight, product of:
               2.1594975 = boost
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.052913286 = queryNorm
             2.4602582 = fieldWeight in 4154, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.3125 = fieldNorm(doc=4154)
       0.33333334 = coord(1/3)
   

3. Piros, A.: Automatic interpretation of complex UDC numbers : towards support for library systems (2015) 0.70

   0.69753695 = sum of:
     0.69753695 = sum of:
       0.038459953 = weight(abstract_txt:analysis in 3301) [ClassicSimilarity], result of:
         0.038459953 = score(doc=3301,freq=1.0), product of:
           0.19290465 = queryWeight, product of:
             3.6456752 = idf(docFreq=3151, maxDocs=44421)
             0.052913286 = queryNorm
           0.19937286 = fieldWeight in 3301, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             3.6456752 = idf(docFreq=3151, maxDocs=44421)
             0.0546875 = fieldNorm(doc=3301)
       0.11132762 = weight(abstract_txt:automatic in 3301) [ClassicSimilarity], result of:
         0.11132762 = score(doc=3301,freq=1.0), product of:
           0.39180696 = queryWeight, product of:
             1.4251636 = boost
             5.1956835 = idf(docFreq=668, maxDocs=44421)
             0.052913286 = queryNorm
           0.28413895 = fieldWeight in 3301, product of:
             1.0 = tf(freq=1.0), with freq of:
               1.0 = termFreq=1.0
             5.1956835 = idf(docFreq=668, maxDocs=44421)
             0.0546875 = fieldNorm(doc=3301)
       0.54774934 = weight(abstract_txt:notations in 3301) [ClassicSimilarity], result of:
         0.54774934 = score(doc=3301,freq=2.0), product of:
           0.8995972 = queryWeight, product of:
             2.1594975 = boost
             7.872826 = idf(docFreq=45, maxDocs=44421)
             0.052913286 = queryNorm
           0.60888284 = fieldWeight in 3301, product of:
             1.4142135 = tf(freq=2.0), with freq of:
               2.0 = termFreq=2.0
             7.872826 = idf(docFreq=45, maxDocs=44421)
             0.0546875 = fieldNorm(doc=3301)
   

4. Wartena, C.; Sommer, M.: Automatic classification of scientific records using the German Subject Heading Authority File (SWD) (2012) 0.63

   0.62769234 = sum of:
     0.62769234 = product of:
       0.94153845 = sum of:
         0.15903944 = weight(abstract_txt:automatic in 1472) [ClassicSimilarity], result of:
           0.15903944 = score(doc=1472,freq=1.0), product of:
             0.39180696 = queryWeight, product of:
               1.4251636 = boost
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.052913286 = queryNorm
             0.40591276 = fieldWeight in 1472, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.1956835 = idf(docFreq=668, maxDocs=44421)
               0.078125 = fieldNorm(doc=1472)
         0.782499 = weight(abstract_txt:notations in 1472) [ClassicSimilarity], result of:
           0.782499 = score(doc=1472,freq=2.0), product of:
             0.8995972 = queryWeight, product of:
               2.1594975 = boost
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.052913286 = queryNorm
             0.86983263 = fieldWeight in 1472, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.078125 = fieldNorm(doc=1472)
       0.6666667 = coord(2/3)
   

5. Twidale, M.; Nichols, D.: Designing interfaces to support collaboration in information retrieval (1998) 0.57

   0.56770295 = sum of:
     0.56770295 = product of:
       0.8515544 = sum of:
         0.076919906 = weight(abstract_txt:analysis in 4757) [ClassicSimilarity], result of:
           0.076919906 = score(doc=4757,freq=1.0), product of:
             0.19290465 = queryWeight, product of:
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.052913286 = queryNorm
             0.39874572 = fieldWeight in 4757, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.109375 = fieldNorm(doc=4757)
         0.7746345 = weight(abstract_txt:notations in 4757) [ClassicSimilarity], result of:
           0.7746345 = score(doc=4757,freq=1.0), product of:
             0.8995972 = queryWeight, product of:
               2.1594975 = boost
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.052913286 = queryNorm
             0.86109036 = fieldWeight in 4757, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.872826 = idf(docFreq=45, maxDocs=44421)
               0.109375 = fieldNorm(doc=4757)
       0.6666667 = coord(2/3)