-
Freeman, R.R.: Research project for the evaluation of the UDC as the indexing language for a mechanized reference retrieval system : progress report for the period July 1, 1965 - Jan. 31, 1966 (1966)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 3491) [ClassicSimilarity], result of:
0.012701439 = score(doc=3491,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 3491, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=3491)
0.11111111 = coord(1/9)
-
Goffman, W.: On relevance as a measure (1964)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 5514) [ClassicSimilarity], result of:
0.012701439 = score(doc=5514,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 5514, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=5514)
0.11111111 = coord(1/9)
- Abstract
- Relevance is defined as a measure of information conveyed by a document relative to a query.It is shown that the relationship between the document and the query, though necessary, is not sufficient to determine relevance
-
Shrejder, J.A.: ¬A mathematical model of classification theory (1968)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 5533) [ClassicSimilarity], result of:
0.012701439 = score(doc=5533,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 5533, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=5533)
0.11111111 = coord(1/9)
-
Paisley, W.J.; Parker, E.B.: Information retrieval as a receiver-controlled communication system (1965)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 3321) [ClassicSimilarity], result of:
0.012701439 = score(doc=3321,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 3321, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=3321)
0.11111111 = coord(1/9)
- Source
- Proceedings of the Symposium on Eudcation for Information Science, Warrenton, VA, Sept. 7-10, 1965. Ed.: L.B. Heilprin et al
-
LaMontagne, L.E.: American library classification : with special reference to the Library of Congress (1961)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 6161) [ClassicSimilarity], result of:
0.012701439 = score(doc=6161,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 6161, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=6161)
0.11111111 = coord(1/9)
-
Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1963)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 577) [ClassicSimilarity], result of:
0.012701439 = score(doc=577,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 577, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=577)
0.11111111 = coord(1/9)
-
Lancaster, F.W.: MEDLARS : report on the evaluation of its operating effiency (1961)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 1931) [ClassicSimilarity], result of:
0.012701439 = score(doc=1931,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 1931, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=1931)
0.11111111 = coord(1/9)
-
Pemberton, J.E.: How to find out in mathematics : a guide to sources of information (1969)
0.00
0.0014112709 = product of:
0.012701439 = sum of:
0.012701439 = weight(_text_:of in 1999) [ClassicSimilarity], result of:
0.012701439 = score(doc=1999,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.20732689 = fieldWeight in 1999, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=1999)
0.11111111 = coord(1/9)
-
Tinker, F.F.: Imprecision in meaning measured by inconsistency of indexing (1966-68)
0.00
0.0011760591 = product of:
0.010584532 = sum of:
0.010584532 = weight(_text_:of in 2275) [ClassicSimilarity], result of:
0.010584532 = score(doc=2275,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.17277241 = fieldWeight in 2275, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=2275)
0.11111111 = coord(1/9)
-
Classification research : Proc. of the 2nd Int. Study Conf. ... Elsinore, Denmark, 14.-18.9.1964 (1965)
0.00
0.0011760591 = product of:
0.010584532 = sum of:
0.010584532 = weight(_text_:of in 6163) [ClassicSimilarity], result of:
0.010584532 = score(doc=6163,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.17277241 = fieldWeight in 6163, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=6163)
0.11111111 = coord(1/9)
-
Luhn, H.P.: ¬The automatic derivation of information retrieval encodements from machine-readable texts (1961)
0.00
0.0011760591 = product of:
0.010584532 = sum of:
0.010584532 = weight(_text_:of in 1926) [ClassicSimilarity], result of:
0.010584532 = score(doc=1926,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.17277241 = fieldWeight in 1926, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=1926)
0.11111111 = coord(1/9)
-
Casagrande, J.B.; Hale, K.L.: Semantic relations in Papago folk definitions (1967)
0.00
0.0011760591 = product of:
0.010584532 = sum of:
0.010584532 = weight(_text_:of in 1194) [ClassicSimilarity], result of:
0.010584532 = score(doc=1194,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.17277241 = fieldWeight in 1194, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=1194)
0.11111111 = coord(1/9)
- Footnote
- Zitiert in: Evens, M.: Thesaural relations in information retrieval. In: The semantics of relationships: an interdisciplinary perspective. Eds: R. Green u.a. Dordrecht: Kluwer 2002. S.143-160.
-
Thesaurofacet: a thesaurus and faceted classification for engineering and related subjects (1969)
0.00
9.408473E-4 = product of:
0.008467626 = sum of:
0.008467626 = weight(_text_:of in 344) [ClassicSimilarity], result of:
0.008467626 = score(doc=344,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.13821793 = fieldWeight in 344, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=344)
0.11111111 = coord(1/9)
- Footnote
- Revision of 'A faceted subject classification for engineering', 3rd ed., 1961