Document (#1146)

Author

Chan, L.M.

Title

Library of Congress Classification as an online retrieval tool : potentials and limitations

Source

Information technology and libraries. 5(1986), S.181-192

Year

1986

Theme

Klassifikationssysteme im Online-Retrieval

Object

LCC

Similar documents (author)

1. Chan, L.M.: Year's work in cataloging and classification : 1975 (1976) 4.56

   4.564024 = sum of:
     4.564024 = weight(author_txt:chan in 307) [ClassicSimilarity], result of:
       4.564024 = fieldWeight in 307, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         7.3024383 = idf(docFreq=80, maxDocs=44218)
         0.625 = fieldNorm(doc=307)
   

2. Chan, L.M.: 'American poetry' but 'Satire, American' : the direct and inverted forms of subject headings containing national adjectives (1973) 4.56

   4.564024 = sum of:
     4.564024 = weight(author_txt:chan in 382) [ClassicSimilarity], result of:
       4.564024 = fieldWeight in 382, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         7.3024383 = idf(docFreq=80, maxDocs=44218)
         0.625 = fieldNorm(doc=382)
   

3. Chan, L.M.: Library of Congress class numbers in online catalog searching (1989) 4.56

   4.564024 = sum of:
     4.564024 = weight(author_txt:chan in 1146) [ClassicSimilarity], result of:
       4.564024 = fieldWeight in 1146, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         7.3024383 = idf(docFreq=80, maxDocs=44218)
         0.625 = fieldNorm(doc=1146)
   

4. Chan, L.M.: Dewey 18: another step in an evolutionary step (1972) 4.56

   4.564024 = sum of:
     4.564024 = weight(author_txt:chan in 1780) [ClassicSimilarity], result of:
       4.564024 = fieldWeight in 1780, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         7.3024383 = idf(docFreq=80, maxDocs=44218)
         0.625 = fieldNorm(doc=1780)
   

5. Chan, L.M.: Subject analysis tools online : the challenge ahead (1990) 4.56

   4.564024 = sum of:
     4.564024 = weight(author_txt:chan in 2165) [ClassicSimilarity], result of:
       4.564024 = fieldWeight in 2165, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         7.3024383 = idf(docFreq=80, maxDocs=44218)
         0.625 = fieldNorm(doc=2165)
   

Similar documents (content)

1. Chan, L.M.: Subject analysis tools online : the challenge ahead (1990) 0.54

   0.5358189 = sum of:
     0.5358189 = product of:
       1.0716377 = sum of:
         0.052550998 = weight(abstract_txt:retrieval in 2165) [ClassicSimilarity], result of:
           0.052550998 = score(doc=2165,freq=1.0), product of:
             0.13825813 = queryWeight, product of:
               1.0905071 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.03648295 = queryNorm
             0.38009337 = fieldWeight in 2165, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.109375 = fieldNorm(doc=2165)
         0.12340301 = weight(abstract_txt:online in 2165) [ClassicSimilarity], result of:
           0.12340301 = score(doc=2165,freq=4.0), product of:
             0.1538747 = queryWeight, product of:
               1.1504474 = boost
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.03648295 = queryNorm
             0.8019708 = fieldWeight in 2165, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.109375 = fieldNorm(doc=2165)
         0.18082254 = weight(abstract_txt:limitations in 2165) [ClassicSimilarity], result of:
           0.18082254 = score(doc=2165,freq=1.0), product of:
             0.31511694 = queryWeight, product of:
               1.6463381 = boost
               5.2464166 = idf(docFreq=632, maxDocs=44218)
               0.03648295 = queryNorm
             0.5738268 = fieldWeight in 2165, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.2464166 = idf(docFreq=632, maxDocs=44218)
               0.109375 = fieldNorm(doc=2165)
         0.7148612 = weight(abstract_txt:potentials in 2165) [ClassicSimilarity], result of:
           0.7148612 = score(doc=2165,freq=1.0), product of:
             0.78786385 = queryWeight, product of:
               2.6032073 = boost
               8.29569 = idf(docFreq=29, maxDocs=44218)
               0.03648295 = queryNorm
             0.90734106 = fieldWeight in 2165, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.29569 = idf(docFreq=29, maxDocs=44218)
               0.109375 = fieldNorm(doc=2165)
       0.5 = coord(4/8)
   

2. Drabenstott, K.M.; Vizine-Goetz, D.: Using subject headings for online retrieval : theory, practice and potential (1994) 0.53

   0.5315189 = sum of:
     0.5315189 = product of:
       0.70869184 = sum of:
         0.034733508 = weight(abstract_txt:library in 386) [ClassicSimilarity], result of:
           0.034733508 = score(doc=386,freq=1.0), product of:
             0.11626089 = queryWeight, product of:
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.03648295 = queryNorm
             0.29875487 = fieldWeight in 386, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.09375 = fieldNorm(doc=386)
         0.06370143 = weight(abstract_txt:retrieval in 386) [ClassicSimilarity], result of:
           0.06370143 = score(doc=386,freq=2.0), product of:
             0.13825813 = queryWeight, product of:
               1.0905071 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.03648295 = queryNorm
             0.4607427 = fieldWeight in 386, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.09375 = fieldNorm(doc=386)
         0.09160297 = weight(abstract_txt:online in 386) [ClassicSimilarity], result of:
           0.09160297 = score(doc=386,freq=3.0), product of:
             0.1538747 = queryWeight, product of:
               1.1504474 = boost
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.03648295 = queryNorm
             0.5953089 = fieldWeight in 386, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.09375 = fieldNorm(doc=386)
         0.13030696 = weight(abstract_txt:tool in 386) [ClassicSimilarity], result of:
           0.13030696 = score(doc=386,freq=1.0), product of:
             0.2807025 = queryWeight, product of:
               1.55384 = boost
               4.951651 = idf(docFreq=849, maxDocs=44218)
               0.03648295 = queryNorm
             0.4642173 = fieldWeight in 386, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.951651 = idf(docFreq=849, maxDocs=44218)
               0.09375 = fieldNorm(doc=386)
         0.21919002 = weight(abstract_txt:limitations in 386) [ClassicSimilarity], result of:
           0.21919002 = score(doc=386,freq=2.0), product of:
             0.31511694 = queryWeight, product of:
               1.6463381 = boost
               5.2464166 = idf(docFreq=632, maxDocs=44218)
               0.03648295 = queryNorm
             0.6955831 = fieldWeight in 386, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.2464166 = idf(docFreq=632, maxDocs=44218)
               0.09375 = fieldNorm(doc=386)
         0.16915697 = weight(abstract_txt:congress in 386) [ClassicSimilarity], result of:
           0.16915697 = score(doc=386,freq=1.0), product of:
             0.33403692 = queryWeight, product of:
               1.6950418 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.03648295 = queryNorm
             0.506402 = fieldWeight in 386, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.09375 = fieldNorm(doc=386)
       0.75 = coord(6/8)
   

3. Cui, H.; Heidorn, P.B.; Zhang, H.: ¬An approach to automatic classification of text for information retrieval (2002) 0.36

   0.35533446 = sum of:
     0.35533446 = product of:
       0.9475585 = sum of:
         0.060058285 = weight(abstract_txt:retrieval in 174) [ClassicSimilarity], result of:
           0.060058285 = score(doc=174,freq=1.0), product of:
             0.13825813 = queryWeight, product of:
               1.0905071 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.03648295 = queryNorm
             0.43439242 = fieldWeight in 174, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.125 = fieldNorm(doc=174)
         0.070516005 = weight(abstract_txt:online in 174) [ClassicSimilarity], result of:
           0.070516005 = score(doc=174,freq=1.0), product of:
             0.1538747 = queryWeight, product of:
               1.1504474 = boost
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.03648295 = queryNorm
             0.45826903 = fieldWeight in 174, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.125 = fieldNorm(doc=174)
         0.81698424 = weight(abstract_txt:potentials in 174) [ClassicSimilarity], result of:
           0.81698424 = score(doc=174,freq=1.0), product of:
             0.78786385 = queryWeight, product of:
               2.6032073 = boost
               8.29569 = idf(docFreq=29, maxDocs=44218)
               0.03648295 = queryNorm
             1.0369612 = fieldWeight in 174, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.29569 = idf(docFreq=29, maxDocs=44218)
               0.125 = fieldNorm(doc=174)
       0.375 = coord(3/8)
   

4. Chan, L.M.; Hodges, T.: Subject cataloguing and classification : the late 1980s and beyond (1990) 0.35

   0.34786463 = sum of:
     0.34786463 = product of:
       0.5565834 = sum of:
         0.0802136 = weight(abstract_txt:library in 3010) [ClassicSimilarity], result of:
           0.0802136 = score(doc=3010,freq=3.0), product of:
             0.11626089 = queryWeight, product of:
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.03648295 = queryNorm
             0.6899448 = fieldWeight in 3010, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.125 = fieldNorm(doc=3010)
         0.060058285 = weight(abstract_txt:retrieval in 3010) [ClassicSimilarity], result of:
           0.060058285 = score(doc=3010,freq=1.0), product of:
             0.13825813 = queryWeight, product of:
               1.0905071 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.03648295 = queryNorm
             0.43439242 = fieldWeight in 3010, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.125 = fieldNorm(doc=3010)
         0.09972469 = weight(abstract_txt:online in 3010) [ClassicSimilarity], result of:
           0.09972469 = score(doc=3010,freq=2.0), product of:
             0.1538747 = queryWeight, product of:
               1.1504474 = boost
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.03648295 = queryNorm
             0.64809024 = fieldWeight in 3010, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.125 = fieldNorm(doc=3010)
         0.09104422 = weight(abstract_txt:classification in 3010) [ClassicSimilarity], result of:
           0.09104422 = score(doc=3010,freq=1.0), product of:
             0.1824499 = queryWeight, product of:
               1.2527229 = boost
               3.9920752 = idf(docFreq=2218, maxDocs=44218)
               0.03648295 = queryNorm
             0.4990094 = fieldWeight in 3010, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.9920752 = idf(docFreq=2218, maxDocs=44218)
               0.125 = fieldNorm(doc=3010)
         0.22554262 = weight(abstract_txt:congress in 3010) [ClassicSimilarity], result of:
           0.22554262 = score(doc=3010,freq=1.0), product of:
             0.33403692 = queryWeight, product of:
               1.6950418 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.03648295 = queryNorm
             0.67520267 = fieldWeight in 3010, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.125 = fieldNorm(doc=3010)
       0.625 = coord(5/8)
   

5. Chan, L.M.; Hodges, T.L.: Library of Congress Classification (LCC) (2009) 0.34

   0.34412605 = sum of:
     0.34412605 = product of:
       0.4588347 = sum of:
         0.028944591 = weight(abstract_txt:library in 3842) [ClassicSimilarity], result of:
           0.028944591 = score(doc=3842,freq=1.0), product of:
             0.11626089 = queryWeight, product of:
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.03648295 = queryNorm
             0.2489624 = fieldWeight in 3842, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.1867187 = idf(docFreq=4964, maxDocs=44218)
               0.078125 = fieldNorm(doc=3842)
         0.037536427 = weight(abstract_txt:retrieval in 3842) [ClassicSimilarity], result of:
           0.037536427 = score(doc=3842,freq=1.0), product of:
             0.13825813 = queryWeight, product of:
               1.0905071 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.03648295 = queryNorm
             0.27149525 = fieldWeight in 3842, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.078125 = fieldNorm(doc=3842)
         0.062327933 = weight(abstract_txt:online in 3842) [ClassicSimilarity], result of:
           0.062327933 = score(doc=3842,freq=2.0), product of:
             0.1538747 = queryWeight, product of:
               1.1504474 = boost
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.03648295 = queryNorm
             0.40505642 = fieldWeight in 3842, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.6661522 = idf(docFreq=3073, maxDocs=44218)
               0.078125 = fieldNorm(doc=3842)
         0.08047248 = weight(abstract_txt:classification in 3842) [ClassicSimilarity], result of:
           0.08047248 = score(doc=3842,freq=2.0), product of:
             0.1824499 = queryWeight, product of:
               1.2527229 = boost
               3.9920752 = idf(docFreq=2218, maxDocs=44218)
               0.03648295 = queryNorm
             0.44106615 = fieldWeight in 3842, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.9920752 = idf(docFreq=2218, maxDocs=44218)
               0.078125 = fieldNorm(doc=3842)
         0.10858913 = weight(abstract_txt:tool in 3842) [ClassicSimilarity], result of:
           0.10858913 = score(doc=3842,freq=1.0), product of:
             0.2807025 = queryWeight, product of:
               1.55384 = boost
               4.951651 = idf(docFreq=849, maxDocs=44218)
               0.03648295 = queryNorm
             0.38684773 = fieldWeight in 3842, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.951651 = idf(docFreq=849, maxDocs=44218)
               0.078125 = fieldNorm(doc=3842)
         0.14096414 = weight(abstract_txt:congress in 3842) [ClassicSimilarity], result of:
           0.14096414 = score(doc=3842,freq=1.0), product of:
             0.33403692 = queryWeight, product of:
               1.6950418 = boost
               5.4016213 = idf(docFreq=541, maxDocs=44218)
               0.03648295 = queryNorm
             0.42200166 = fieldWeight in 3842, 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=3842)
       0.75 = coord(6/8)