Tahani, V.: ¬A general conceptual framework for information retrieval systems (1972)
0.00
0.0021761355 = product of:
0.021761354 = sum of:
0.006543232 = weight(_text_:in in 70) [ClassicSimilarity], result of:
0.006543232 = score(doc=70,freq=4.0), product of:
0.03078592 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.02263247 = queryNorm
0.21253976 = fieldWeight in 70, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.078125 = fieldNorm(doc=70)
0.002955874 = weight(_text_:s in 70) [ClassicSimilarity], result of:
0.002955874 = score(doc=70,freq=2.0), product of:
0.024606872 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.02263247 = 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)
0.012262247 = product of:
0.03678674 = sum of:
0.03678674 = weight(_text_:university in 70) [ClassicSimilarity], result of:
0.03678674 = score(doc=70,freq=2.0), product of:
0.08680787 = queryWeight, product of:
3.8355455 = idf(docFreq=2594, maxDocs=44218)
0.02263247 = queryNorm
0.42377192 = fieldWeight in 70, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8355455 = idf(docFreq=2594, maxDocs=44218)
0.078125 = fieldNorm(doc=70)
0.33333334 = coord(1/3)
0.1 = coord(3/30)
- 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
- Imprint
- Berkeley, CA : University of California
- Pages
- VIII,70 S