-
Tahani, V.: ¬A general conceptual framework for information retrieval systems (1972)
0.00
0.0018610585 = product of:
0.010235822 = sum of:
0.0067637865 = weight(_text_:a in 70) [ClassicSimilarity], result of:
0.0067637865 = score(doc=70,freq=6.0), product of:
0.030653298 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.026584605 = queryNorm
0.22065444 = fieldWeight in 70, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.078125 = fieldNorm(doc=70)
0.0034720355 = weight(_text_:s in 70) [ClassicSimilarity], result of:
0.0034720355 = score(doc=70,freq=2.0), product of:
0.028903782 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.026584605 = queryNorm
0.120123915 = fieldWeight in 70, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=70)
0.18181819 = coord(2/11)
- Abstract
- Develops a conceptual framework for information retrieval systems which admit of imprecision in the form of fuzziness in document characterization, retrieval rules, and file structures. A mathematical model for such systems, based on the theory of fuzzy sets, is introduced
- Pages
- VIII,70 S
-
Schabas, A.H.: ¬A comparative evaluation of the retrieval effectiveness of titles, Library of Congress Subject Headings and PRECIS strings for computer searching of UK MARC data (1979)
0.00
4.2600805E-4 = product of:
0.0046860883 = sum of:
0.0046860883 = weight(_text_:a in 5277) [ClassicSimilarity], result of:
0.0046860883 = score(doc=5277,freq=2.0), product of:
0.030653298 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.026584605 = queryNorm
0.15287387 = fieldWeight in 5277, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.09375 = fieldNorm(doc=5277)
0.09090909 = coord(1/11)
-
Engelien, G.: ¬Der Begriff der Klassifikation (1971)
0.00
3.156396E-4 = product of:
0.0034720355 = sum of:
0.0034720355 = weight(_text_:s in 3386) [ClassicSimilarity], result of:
0.0034720355 = score(doc=3386,freq=2.0), product of:
0.028903782 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.026584605 = queryNorm
0.120123915 = fieldWeight in 3386, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=3386)
0.09090909 = coord(1/11)
- Pages
- 176 S