-
Vickery, B.C.: Systematic subject indexing (1953)
0.34
0.34213352 = product of:
0.5132003 = sum of:
0.41918734 = weight(_text_:systematic in 2038) [ClassicSimilarity], result of:
0.41918734 = score(doc=2038,freq=2.0), product of:
0.33191046 = queryWeight, product of:
5.715473 = idf(docFreq=395, maxDocs=44218)
0.05807226 = queryNorm
1.262953 = fieldWeight in 2038, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.715473 = idf(docFreq=395, maxDocs=44218)
0.15625 = fieldNorm(doc=2038)
0.09401293 = product of:
0.18802586 = sum of:
0.18802586 = weight(_text_:indexing in 2038) [ClassicSimilarity], result of:
0.18802586 = score(doc=2038,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.84584725 = fieldWeight in 2038, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.15625 = fieldNorm(doc=2038)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
-
Mills, J.: Chain indexing and the classified catalogue (1955)
0.04
0.035454497 = product of:
0.10636349 = sum of:
0.10636349 = product of:
0.21272698 = sum of:
0.21272698 = weight(_text_:indexing in 1979) [ClassicSimilarity], result of:
0.21272698 = score(doc=1979,freq=4.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.95696694 = fieldWeight in 1979, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=1979)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Object
- Chain indexing
-
Vickery, B.C.: Developments in subject indexing (1955)
0.03
0.031337645 = product of:
0.09401293 = sum of:
0.09401293 = product of:
0.18802586 = sum of:
0.18802586 = weight(_text_:indexing in 1899) [ClassicSimilarity], result of:
0.18802586 = score(doc=1899,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.84584725 = fieldWeight in 1899, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.15625 = fieldNorm(doc=1899)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Studies in coordinate indexing (1953-57)
0.03
0.031337645 = product of:
0.09401293 = sum of:
0.09401293 = product of:
0.18802586 = sum of:
0.18802586 = weight(_text_:indexing in 5006) [ClassicSimilarity], result of:
0.18802586 = score(doc=5006,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.84584725 = fieldWeight in 5006, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.15625 = fieldNorm(doc=5006)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Clapp, V.: Indexing and abstracting : recent past and lines of future developement (1950)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 1855) [ClassicSimilarity], result of:
0.1504207 = score(doc=1855,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 1855, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=1855)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Collison, R.L.: Short cuts to indexing (1958)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 3868) [ClassicSimilarity], result of:
0.1504207 = score(doc=3868,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 3868, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=3868)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Garfield, E.: Citation indexes for science : a new dimension in documentation through association of ideas (1955)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 4342) [ClassicSimilarity], result of:
0.1504207 = score(doc=4342,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 4342, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=4342)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Theme
- Citation indexing
-
Taube, M.: ¬The uniterm system of indexing operating manual (1955)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 5007) [ClassicSimilarity], result of:
0.1504207 = score(doc=5007,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 5007, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=5007)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Adair, W.C.: Citation indexes for scientific literature (1955)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 6898) [ClassicSimilarity], result of:
0.1504207 = score(doc=6898,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 6898, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=6898)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Theme
- Citation indexing
-
Bonn, G.S.: Relative usefulness of indexing and abstracting services (1950)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 6213) [ClassicSimilarity], result of:
0.1504207 = score(doc=6213,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 6213, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=6213)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Eastin, R.B.: Central indexing and distribution of U.S. Government Documents (1954)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 6224) [ClassicSimilarity], result of:
0.1504207 = score(doc=6224,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 6224, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=6224)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Ullmann, M.B.: ¬The indexing and distribution of Census Publications (1954)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 6225) [ClassicSimilarity], result of:
0.1504207 = score(doc=6225,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 6225, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=6225)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Randall, G.E.: Practicality of coordinate indexing (1954)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 6227) [ClassicSimilarity], result of:
0.1504207 = score(doc=6227,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 6227, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=6227)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Warheit, I.A.: ¬A study of coordinate indexing as applied to U.S. Atomic Energy Commission Reports (1955)
0.03
0.025070116 = product of:
0.07521035 = sum of:
0.07521035 = product of:
0.1504207 = sum of:
0.1504207 = weight(_text_:indexing in 6229) [ClassicSimilarity], result of:
0.1504207 = score(doc=6229,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.6766778 = fieldWeight in 6229, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.125 = fieldNorm(doc=6229)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Farradane, J.E.L.: ¬A scientific theory of classification and indexing : further considerations (1952)
0.02
0.021936353 = product of:
0.065809056 = sum of:
0.065809056 = product of:
0.13161811 = sum of:
0.13161811 = weight(_text_:indexing in 1655) [ClassicSimilarity], result of:
0.13161811 = score(doc=1655,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.5920931 = fieldWeight in 1655, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.109375 = fieldNorm(doc=1655)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Metcalfe, J.: Subject classifying and indexing of libraries and literature (1959)
0.02
0.018802589 = product of:
0.056407765 = sum of:
0.056407765 = product of:
0.11281553 = sum of:
0.11281553 = weight(_text_:indexing in 6159) [ClassicSimilarity], result of:
0.11281553 = score(doc=6159,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.5075084 = fieldWeight in 6159, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.09375 = fieldNorm(doc=6159)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Vickery, B.C.: Classification and indexing in science (1959)
0.02
0.018802589 = product of:
0.056407765 = sum of:
0.056407765 = product of:
0.11281553 = sum of:
0.11281553 = weight(_text_:indexing in 6160) [ClassicSimilarity], result of:
0.11281553 = score(doc=6160,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.5075084 = fieldWeight in 6160, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.09375 = fieldNorm(doc=6160)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Taube, M.; Gull, C.D.; Wachtel, I.S.: Unit terms in coordinate indexing (1952)
0.02
0.018802589 = product of:
0.056407765 = sum of:
0.056407765 = product of:
0.11281553 = sum of:
0.11281553 = weight(_text_:indexing in 3234) [ClassicSimilarity], result of:
0.11281553 = score(doc=3234,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.5075084 = fieldWeight in 3234, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.09375 = fieldNorm(doc=3234)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Taube, M.; Wachtel, I.S.: ¬The logical structure of coordinate indexing (1953)
0.02
0.018802589 = product of:
0.056407765 = sum of:
0.056407765 = product of:
0.11281553 = sum of:
0.11281553 = weight(_text_:indexing in 3452) [ClassicSimilarity], result of:
0.11281553 = score(doc=3452,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.5075084 = fieldWeight in 3452, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.09375 = fieldNorm(doc=3452)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Wiener, N.: ¬The human use of human beings : cybernetics and society (1950)
0.02
0.01573598 = product of:
0.047207937 = sum of:
0.047207937 = product of:
0.09441587 = sum of:
0.09441587 = weight(_text_:22 in 4857) [ClassicSimilarity], result of:
0.09441587 = score(doc=4857,freq=2.0), product of:
0.20335917 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.05807226 = queryNorm
0.46428138 = fieldWeight in 4857, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=4857)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Date
- 8. 7.2000 18:17:22