-
Frants, V.I.; Shapiro, J.; Voiskunskii, V.G.: Optimal search available to an individual user (1996)
0.03
0.029361658 = product of:
0.058723316 = sum of:
0.058723316 = sum of:
0.008467136 = weight(_text_:e in 7703) [ClassicSimilarity], result of:
0.008467136 = score(doc=7703,freq=2.0), product of:
0.07616667 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.052990302 = queryNorm
0.1111659 = fieldWeight in 7703, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=7703)
0.05025618 = weight(_text_:22 in 7703) [ClassicSimilarity], result of:
0.05025618 = score(doc=7703,freq=2.0), product of:
0.18556301 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052990302 = queryNorm
0.2708308 = fieldWeight in 7703, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=7703)
0.5 = coord(1/2)
- Language
- e
- Source
- Journal of information science. 22(1996) no.3, S.181-191
-
Frants, V.I.; Shapiro, J.: Control and feedback in a documentary information retrieval system (1991)
0.00
0.0024191819 = product of:
0.0048383637 = sum of:
0.0048383637 = product of:
0.0096767275 = sum of:
0.0096767275 = weight(_text_:e in 416) [ClassicSimilarity], result of:
0.0096767275 = score(doc=416,freq=2.0), product of:
0.07616667 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.052990302 = queryNorm
0.12704675 = fieldWeight in 416, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=416)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Frants, V.I.; Kamenoff, N.I.; Shapiro, J.: ¬One approach to classification of users and automatic clustering of documents (1993)
0.00
0.0024191819 = product of:
0.0048383637 = sum of:
0.0048383637 = product of:
0.0096767275 = sum of:
0.0096767275 = weight(_text_:e in 4569) [ClassicSimilarity], result of:
0.0096767275 = score(doc=4569,freq=2.0), product of:
0.07616667 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.052990302 = queryNorm
0.12704675 = fieldWeight in 4569, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=4569)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Frants, V.I.: Development of IR systems : new direction (1996)
0.00
0.0024191819 = product of:
0.0048383637 = sum of:
0.0048383637 = product of:
0.0096767275 = sum of:
0.0096767275 = weight(_text_:e in 4955) [ClassicSimilarity], result of:
0.0096767275 = score(doc=4955,freq=2.0), product of:
0.07616667 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.052990302 = queryNorm
0.12704675 = fieldWeight in 4955, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0625 = fieldNorm(doc=4955)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Frants, V.I.; Shapiro, J.; Taksa, I.; Voiskunskii, V.G.: Boolean search : current state and perspectives (1999)
0.00
0.002116784 = product of:
0.004233568 = sum of:
0.004233568 = product of:
0.008467136 = sum of:
0.008467136 = weight(_text_:e in 2954) [ClassicSimilarity], result of:
0.008467136 = score(doc=2954,freq=2.0), product of:
0.07616667 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.052990302 = queryNorm
0.1111659 = fieldWeight in 2954, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=2954)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Frants, V.I.; Voiskunskii, V.G.; Shapiro, J.: Automated information retrieval : theory and methods (1997)
0.00
0.0018143863 = product of:
0.0036287727 = sum of:
0.0036287727 = product of:
0.0072575454 = sum of:
0.0072575454 = weight(_text_:e in 1790) [ClassicSimilarity], result of:
0.0072575454 = score(doc=1790,freq=2.0), product of:
0.07616667 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.052990302 = queryNorm
0.09528506 = fieldWeight in 1790, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=1790)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e