Document (#4518)

Editor

Conway, M. O'Hara

Title

Subject headings : the future of subdivisions in the Library of Congress Subject Headings system; report from the subject divisions conference sponsored by the Library of Congress, May 9-12, 1991

Imprint

Washington : Library of Congress

Year

1992

Content

16 Beiträge zu: (*) Machine validation of subdivided headings, especially headings with free-floating subdivisions; (*) order and display of subdivides headings; (*) simplification of rules for assigning subdivisions; (*) creation of a national subject authority file

Object

LCSH

Similar documents (content)

1. Drabenstott, K.M.; Simcox, S.; Fenton, E.G.: End-user understanding of subject headings in library catalogs (1999) 1.11

   1.1082424 = sum of:
     1.1082424 = product of:
       1.6007946 = sum of:
         0.019664023 = weight(abstract_txt:system in 1333) [ClassicSimilarity], result of:
           0.019664023 = score(doc=1333,freq=1.0), product of:
             0.07463715 = queryWeight, product of:
               1.2201345 = boost
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.01813928 = queryNorm
             0.2634616 = fieldWeight in 1333, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.08105895 = weight(abstract_txt:report in 1333) [ClassicSimilarity], result of:
           0.08105895 = score(doc=1333,freq=1.0), product of:
             0.19188489 = queryWeight, product of:
               1.9563681 = boost
               5.4071717 = idf(docFreq=538, maxDocs=44218)
               0.01813928 = queryNorm
             0.42243528 = fieldWeight in 1333, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4071717 = idf(docFreq=538, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.0882942 = weight(abstract_txt:conference in 1333) [ClassicSimilarity], result of:
           0.0882942 = score(doc=1333,freq=1.0), product of:
             0.20313975 = queryWeight, product of:
               2.0129251 = boost
               5.563489 = idf(docFreq=460, maxDocs=44218)
               0.01813928 = queryNorm
             0.43464756 = fieldWeight in 1333, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.563489 = idf(docFreq=460, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.057479408 = weight(abstract_txt:library in 1333) [ClassicSimilarity], result of:
           0.057479408 = score(doc=1333,freq=3.0), product of:
             0.13329625 = queryWeight, product of:
               2.3059726 = boost
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.01813928 = queryNorm
             0.4312155 = fieldWeight in 1333, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.14560162 = weight(abstract_txt:1991 in 1333) [ClassicSimilarity], result of:
           0.14560162 = score(doc=1333,freq=1.0), product of:
             0.28354213 = queryWeight, product of:
               2.3781486 = boost
               6.572923 = idf(docFreq=167, maxDocs=44218)
               0.01813928 = queryNorm
             0.51350963 = fieldWeight in 1333, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.572923 = idf(docFreq=167, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.30495277 = weight(abstract_txt:subdivisions in 1333) [ClassicSimilarity], result of:
           0.30495277 = score(doc=1333,freq=2.0), product of:
             0.36839908 = queryWeight, product of:
               2.7107499 = boost
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.01813928 = queryNorm
             0.82777834 = fieldWeight in 1333, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.37091982 = weight(abstract_txt:headings in 1333) [ClassicSimilarity], result of:
           0.37091982 = score(doc=1333,freq=7.0), product of:
             0.34834066 = queryWeight, product of:
               3.727754 = boost
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.01813928 = queryNorm
             1.0648192 = fieldWeight in 1333, product of:
               2.6457512 = tf(freq=7.0), with freq of:
                 7.0 = termFreq=7.0
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.22856404 = weight(abstract_txt:congress in 1333) [ClassicSimilarity], result of:
           0.22856404 = score(doc=1333,freq=2.0), product of:
             0.3829823 = queryWeight, product of:
               3.9087198 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.01813928 = queryNorm
             0.5968005 = fieldWeight in 1333, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
         0.3042598 = weight(abstract_txt:subject in 1333) [ClassicSimilarity], result of:
           0.3042598 = score(doc=1333,freq=11.0), product of:
             0.3005472 = queryWeight, product of:
               4.2407937 = boost
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.01813928 = queryNorm
             1.0123528 = fieldWeight in 1333, product of:
               3.3166249 = tf(freq=11.0), with freq of:
                 11.0 = termFreq=11.0
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.078125 = fieldNorm(doc=1333)
       0.6923077 = coord(9/13)
   

2. Conway, M. O'Hara: Characteristics of subject headings in the Library of Congress BOOKSM database (1993) 0.63

   0.6256303 = sum of:
     0.6256303 = product of:
       1.1618848 = sum of:
         0.015309615 = weight(abstract_txt:from in 3135) [ClassicSimilarity], result of:
           0.015309615 = score(doc=3135,freq=2.0), product of:
             0.05013484 = queryWeight, product of:
               2.7638826 = idf(docFreq=7577, maxDocs=44218)
               0.01813928 = queryNorm
             0.30536878 = fieldWeight in 3135, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.7638826 = idf(docFreq=7577, maxDocs=44218)
               0.078125 = fieldNorm(doc=3135)
         0.02780913 = weight(abstract_txt:system in 3135) [ClassicSimilarity], result of:
           0.02780913 = score(doc=3135,freq=2.0), product of:
             0.07463715 = queryWeight, product of:
               1.2201345 = boost
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.01813928 = queryNorm
             0.372591 = fieldWeight in 3135, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.078125 = fieldNorm(doc=3135)
         0.0742056 = weight(abstract_txt:library in 3135) [ClassicSimilarity], result of:
           0.0742056 = score(doc=3135,freq=5.0), product of:
             0.13329625 = queryWeight, product of:
               2.3059726 = boost
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.01813928 = queryNorm
             0.55669683 = fieldWeight in 3135, product of:
               2.236068 = tf(freq=5.0), with freq of:
                 5.0 = termFreq=5.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.078125 = fieldNorm(doc=3135)
         0.21563418 = weight(abstract_txt:subdivisions in 3135) [ClassicSimilarity], result of:
           0.21563418 = score(doc=3135,freq=1.0), product of:
             0.36839908 = queryWeight, product of:
               2.7107499 = boost
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.01813928 = queryNorm
             0.5853277 = fieldWeight in 3135, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.078125 = fieldNorm(doc=3135)
         0.24282405 = weight(abstract_txt:headings in 3135) [ClassicSimilarity], result of:
           0.24282405 = score(doc=3135,freq=3.0), product of:
             0.34834066 = queryWeight, product of:
               3.727754 = boost
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.01813928 = queryNorm
             0.6970879 = fieldWeight in 3135, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.078125 = fieldNorm(doc=3135)
         0.36139148 = weight(abstract_txt:congress in 3135) [ClassicSimilarity], result of:
           0.36139148 = score(doc=3135,freq=5.0), product of:
             0.3829823 = queryWeight, product of:
               3.9087198 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.01813928 = queryNorm
             0.94362444 = fieldWeight in 3135, product of:
               2.236068 = tf(freq=5.0), with freq of:
                 5.0 = termFreq=5.0
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.078125 = fieldNorm(doc=3135)
         0.22471076 = weight(abstract_txt:subject in 3135) [ClassicSimilarity], result of:
           0.22471076 = score(doc=3135,freq=6.0), product of:
             0.3005472 = queryWeight, product of:
               4.2407937 = boost
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.01813928 = queryNorm
             0.7476721 = fieldWeight in 3135, product of:
               2.4494898 = tf(freq=6.0), with freq of:
                 6.0 = termFreq=6.0
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.078125 = fieldNorm(doc=3135)
       0.53846157 = coord(7/13)
   

3. Drabenstott, K.M.; Dede, B.A.R.; Leavit, M.: ¬The changes of meaning in subdivided subject headings (1999) 0.57

   0.567882 = sum of:
     0.567882 = product of:
       1.230411 = sum of:
         0.0882942 = weight(abstract_txt:conference in 5353) [ClassicSimilarity], result of:
           0.0882942 = score(doc=5353,freq=1.0), product of:
             0.20313975 = queryWeight, product of:
               2.0129251 = boost
               5.563489 = idf(docFreq=460, maxDocs=44218)
               0.01813928 = queryNorm
             0.43464756 = fieldWeight in 5353, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.563489 = idf(docFreq=460, maxDocs=44218)
               0.078125 = fieldNorm(doc=5353)
         0.04693174 = weight(abstract_txt:library in 5353) [ClassicSimilarity], result of:
           0.04693174 = score(doc=5353,freq=2.0), product of:
             0.13329625 = queryWeight, product of:
               2.3059726 = boost
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.01813928 = queryNorm
             0.35208598 = fieldWeight in 5353, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.078125 = fieldNorm(doc=5353)
         0.43126836 = weight(abstract_txt:subdivisions in 5353) [ClassicSimilarity], result of:
           0.43126836 = score(doc=5353,freq=4.0), product of:
             0.36839908 = queryWeight, product of:
               2.7107499 = boost
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.01813928 = queryNorm
             1.1706554 = fieldWeight in 5353, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.078125 = fieldNorm(doc=5353)
         0.24282405 = weight(abstract_txt:headings in 5353) [ClassicSimilarity], result of:
           0.24282405 = score(doc=5353,freq=3.0), product of:
             0.34834066 = queryWeight, product of:
               3.727754 = boost
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.01813928 = queryNorm
             0.6970879 = fieldWeight in 5353, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.078125 = fieldNorm(doc=5353)
         0.16161917 = weight(abstract_txt:congress in 5353) [ClassicSimilarity], result of:
           0.16161917 = score(doc=5353,freq=1.0), product of:
             0.3829823 = queryWeight, product of:
               3.9087198 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.01813928 = queryNorm
             0.42200166 = fieldWeight in 5353, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.078125 = fieldNorm(doc=5353)
         0.25947362 = weight(abstract_txt:subject in 5353) [ClassicSimilarity], result of:
           0.25947362 = score(doc=5353,freq=8.0), product of:
             0.3005472 = queryWeight, product of:
               4.2407937 = boost
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.01813928 = queryNorm
             0.8633373 = fieldWeight in 5353, product of:
               2.828427 = tf(freq=8.0), with freq of:
                 8.0 = termFreq=8.0
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.078125 = fieldNorm(doc=5353)
       0.46153846 = coord(6/13)
   

4. Subject cataloging manual : Subject headings (1991) 0.55

   0.5476569 = sum of:
     0.5476569 = product of:
       1.18659 = sum of:
         0.015155747 = weight(abstract_txt:from in 2665) [ClassicSimilarity], result of:
           0.015155747 = score(doc=2665,freq=1.0), product of:
             0.05013484 = queryWeight, product of:
               2.7638826 = idf(docFreq=7577, maxDocs=44218)
               0.01813928 = queryNorm
             0.30229968 = fieldWeight in 2665, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.7638826 = idf(docFreq=7577, maxDocs=44218)
               0.109375 = fieldNorm(doc=2665)
         0.04646006 = weight(abstract_txt:library in 2665) [ClassicSimilarity], result of:
           0.04646006 = score(doc=2665,freq=1.0), product of:
             0.13329625 = queryWeight, product of:
               2.3059726 = boost
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.01813928 = queryNorm
             0.34854737 = fieldWeight in 2665, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.109375 = fieldNorm(doc=2665)
         0.30188787 = weight(abstract_txt:subdivisions in 2665) [ClassicSimilarity], result of:
           0.30188787 = score(doc=2665,freq=1.0), product of:
             0.36839908 = queryWeight, product of:
               2.7107499 = boost
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.01813928 = queryNorm
             0.8194588 = fieldWeight in 2665, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.109375 = fieldNorm(doc=2665)
         0.33995366 = weight(abstract_txt:headings in 2665) [ClassicSimilarity], result of:
           0.33995366 = score(doc=2665,freq=3.0), product of:
             0.34834066 = queryWeight, product of:
               3.727754 = boost
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.01813928 = queryNorm
             0.975923 = fieldWeight in 2665, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.109375 = fieldNorm(doc=2665)
         0.22626683 = weight(abstract_txt:congress in 2665) [ClassicSimilarity], result of:
           0.22626683 = score(doc=2665,freq=1.0), product of:
             0.3829823 = queryWeight, product of:
               3.9087198 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.01813928 = queryNorm
             0.5908023 = fieldWeight in 2665, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.109375 = fieldNorm(doc=2665)
         0.25686577 = weight(abstract_txt:subject in 2665) [ClassicSimilarity], result of:
           0.25686577 = score(doc=2665,freq=4.0), product of:
             0.3005472 = queryWeight, product of:
               4.2407937 = boost
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.01813928 = queryNorm
             0.85466033 = fieldWeight in 2665, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.109375 = fieldNorm(doc=2665)
       0.46153846 = coord(6/13)
   

5. Franz, L.; Powell, J.; Jude, S.; Drabenstott, K.M.: End user understanding of subdivided headings (1994) 0.54

   0.54192454 = sum of:
     0.54192454 = product of:
       1.1741698 = sum of:
         0.12234403 = weight(abstract_txt:conference in 1163) [ClassicSimilarity], result of:
           0.12234403 = score(doc=1163,freq=3.0), product of:
             0.20313975 = queryWeight, product of:
               2.0129251 = boost
               5.563489 = idf(docFreq=460, maxDocs=44218)
               0.01813928 = queryNorm
             0.60226536 = fieldWeight in 1163, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               5.563489 = idf(docFreq=460, maxDocs=44218)
               0.0625 = fieldNorm(doc=1163)
         0.026548604 = weight(abstract_txt:library in 1163) [ClassicSimilarity], result of:
           0.026548604 = score(doc=1163,freq=1.0), product of:
             0.13329625 = queryWeight, product of:
               2.3059726 = boost
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.01813928 = queryNorm
             0.19916992 = fieldWeight in 1163, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.0625 = fieldNorm(doc=1163)
         0.3450147 = weight(abstract_txt:subdivisions in 1163) [ClassicSimilarity], result of:
           0.3450147 = score(doc=1163,freq=4.0), product of:
             0.36839908 = queryWeight, product of:
               2.7107499 = boost
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.01813928 = queryNorm
             0.93652433 = fieldWeight in 1163, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               7.4921947 = idf(docFreq=66, maxDocs=44218)
               0.0625 = fieldNorm(doc=1163)
         0.29673588 = weight(abstract_txt:headings in 1163) [ClassicSimilarity], result of:
           0.29673588 = score(doc=1163,freq=7.0), product of:
             0.34834066 = queryWeight, product of:
               3.727754 = boost
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.01813928 = queryNorm
             0.8518554 = fieldWeight in 1163, product of:
               2.6457512 = tf(freq=7.0), with freq of:
                 7.0 = termFreq=7.0
               5.1515374 = idf(docFreq=695, maxDocs=44218)
               0.0625 = fieldNorm(doc=1163)
         0.12929533 = weight(abstract_txt:congress in 1163) [ClassicSimilarity], result of:
           0.12929533 = score(doc=1163,freq=1.0), product of:
             0.3829823 = queryWeight, product of:
               3.9087198 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.01813928 = queryNorm
             0.33760133 = fieldWeight in 1163, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.0625 = fieldNorm(doc=1163)
         0.25423118 = weight(abstract_txt:subject in 1163) [ClassicSimilarity], result of:
           0.25423118 = score(doc=1163,freq=12.0), product of:
             0.3005472 = queryWeight, product of:
               4.2407937 = boost
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.01813928 = queryNorm
             0.84589434 = fieldWeight in 1163, product of:
               3.4641016 = tf(freq=12.0), with freq of:
                 12.0 = termFreq=12.0
               3.9070187 = idf(docFreq=2415, maxDocs=44218)
               0.0625 = fieldNorm(doc=1163)
       0.46153846 = coord(6/13)