Document (#1855)

Author

Clapp, V.

Title

Indexing and abstracting : recent past and lines of future developement

Source

College and research libraries. 11(1950) no.3, S.197-206

Year

1950

Theme

Geschichte der Sacherschließung

Similar documents (content)

1. Smeaton, A.F.: Progress in the application of natural language processing to information retrieval tasks (1992) 0.57

   0.5679171 = sum of:
     0.5679171 = product of:
       1.1358342 = sum of:
         0.18247074 = weight(abstract_txt:indexing in 7079) [ClassicSimilarity], result of:
           0.18247074 = score(doc=7079,freq=1.0), product of:
             0.22370301 = queryWeight, product of:
               1.0271695 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.05006216 = queryNorm
             0.815683 = fieldWeight in 7079, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
         0.25305697 = weight(abstract_txt:recent in 7079) [ClassicSimilarity], result of:
           0.25305697 = score(doc=7079,freq=1.0), product of:
             0.27819878 = queryWeight, product of:
               1.1454703 = boost
               4.8513412 = idf(docFreq=943, maxDocs=44421)
               0.05006216 = queryNorm
             0.9096265 = fieldWeight in 7079, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.8513412 = idf(docFreq=943, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
         0.7003065 = weight(abstract_txt:abstracting in 7079) [ClassicSimilarity], result of:
           0.7003065 = score(doc=7079,freq=1.0), product of:
             0.5483634 = queryWeight, product of:
               1.6082014 = boost
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.05006216 = queryNorm
             1.2770847 = fieldWeight in 7079, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.1875 = fieldNorm(doc=7079)
       0.5 = coord(3/6)
   

2. Moore, N.L.: LISA indexing : economic aspects of controlled indexing (1988) 0.40

   0.40026957 = sum of:
     0.40026957 = product of:
       0.80053914 = sum of:
         0.15205896 = weight(abstract_txt:indexing in 1334) [ClassicSimilarity], result of:
           0.15205896 = score(doc=1334,freq=4.0), product of:
             0.22370301 = queryWeight, product of:
               1.0271695 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.05006216 = queryNorm
             0.67973584 = fieldWeight in 1334, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.078125 = fieldNorm(doc=1334)
         0.29179436 = weight(abstract_txt:abstracting in 1334) [ClassicSimilarity], result of:
           0.29179436 = score(doc=1334,freq=1.0), product of:
             0.5483634 = queryWeight, product of:
               1.6082014 = boost
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.05006216 = queryNorm
             0.5321186 = fieldWeight in 1334, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.078125 = fieldNorm(doc=1334)
         0.3566858 = weight(abstract_txt:lines in 1334) [ClassicSimilarity], result of:
           0.3566858 = score(doc=1334,freq=1.0), product of:
             0.6269136 = queryWeight, product of:
               1.7195312 = boost
               7.282627 = idf(docFreq=82, maxDocs=44421)
               0.05006216 = queryNorm
             0.56895524 = fieldWeight in 1334, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.282627 = idf(docFreq=82, maxDocs=44421)
               0.078125 = fieldNorm(doc=1334)
       0.5 = coord(3/6)
   

3. Youngen, G.K.: Citation patterns to traditional and electronic preprints in the published literature (1998) 0.40

   0.39801615 = sum of:
     0.39801615 = product of:
       0.5970242 = sum of:
         0.070154525 = weight(abstract_txt:future in 4360) [ClassicSimilarity], result of:
           0.070154525 = score(doc=4360,freq=1.0), product of:
             0.21202527 = queryWeight, product of:
               4.23524 = idf(docFreq=1747, maxDocs=44421)
               0.05006216 = queryNorm
             0.33087814 = fieldWeight in 4360, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.23524 = idf(docFreq=1747, maxDocs=44421)
               0.078125 = fieldNorm(doc=4360)
         0.07602948 = weight(abstract_txt:indexing in 4360) [ClassicSimilarity], result of:
           0.07602948 = score(doc=4360,freq=1.0), product of:
             0.22370301 = queryWeight, product of:
               1.0271695 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.05006216 = queryNorm
             0.33986792 = fieldWeight in 4360, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.078125 = fieldNorm(doc=4360)
         0.15904582 = weight(abstract_txt:past in 4360) [ClassicSimilarity], result of:
           0.15904582 = score(doc=4360,freq=1.0), product of:
             0.36590248 = queryWeight, product of:
               1.3136778 = boost
               5.5637407 = idf(docFreq=462, maxDocs=44421)
               0.05006216 = queryNorm
             0.43466723 = fieldWeight in 4360, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.5637407 = idf(docFreq=462, maxDocs=44421)
               0.078125 = fieldNorm(doc=4360)
         0.29179436 = weight(abstract_txt:abstracting in 4360) [ClassicSimilarity], result of:
           0.29179436 = score(doc=4360,freq=1.0), product of:
             0.5483634 = queryWeight, product of:
               1.6082014 = boost
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.05006216 = queryNorm
             0.5321186 = fieldWeight in 4360, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.078125 = fieldNorm(doc=4360)
       0.6666667 = coord(4/6)
   

4. Gorman, G.E.; Mills, J.J.: Guide to current indexing and abstracting services in the third world (1992) 0.34

   0.34330225 = sum of:
     0.34330225 = product of:
       1.0299067 = sum of:
         0.21288253 = weight(abstract_txt:indexing in 8003) [ClassicSimilarity], result of:
           0.21288253 = score(doc=8003,freq=1.0), product of:
             0.22370301 = queryWeight, product of:
               1.0271695 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.05006216 = queryNorm
             0.9516302 = fieldWeight in 8003, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.21875 = fieldNorm(doc=8003)
         0.81702423 = weight(abstract_txt:abstracting in 8003) [ClassicSimilarity], result of:
           0.81702423 = score(doc=8003,freq=1.0), product of:
             0.5483634 = queryWeight, product of:
               1.6082014 = boost
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.05006216 = queryNorm
             1.4899322 = fieldWeight in 8003, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.21875 = fieldNorm(doc=8003)
       0.33333334 = coord(2/6)
   

5. Bakewell, K.G.B.; Rowland, G.: Indexing and abstracting (1993) 0.34

   0.34229586 = sum of:
     0.34229586 = product of:
       1.0268875 = sum of:
         0.3193238 = weight(abstract_txt:indexing in 5539) [ClassicSimilarity], result of:
           0.3193238 = score(doc=5539,freq=9.0), product of:
             0.22370301 = queryWeight, product of:
               1.0271695 = boost
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.05006216 = queryNorm
             1.4274453 = fieldWeight in 5539, product of:
               3.0 = tf(freq=9.0), with freq of:
                 9.0 = termFreq=9.0
               4.3503094 = idf(docFreq=1557, maxDocs=44421)
               0.109375 = fieldNorm(doc=5539)
         0.70756376 = weight(abstract_txt:abstracting in 5539) [ClassicSimilarity], result of:
           0.70756376 = score(doc=5539,freq=3.0), product of:
             0.5483634 = queryWeight, product of:
               1.6082014 = boost
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.05006216 = queryNorm
             1.2903191 = fieldWeight in 5539, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               6.8111186 = idf(docFreq=132, maxDocs=44421)
               0.109375 = fieldNorm(doc=5539)
       0.33333334 = coord(2/6)