-
RIAO 91 : Computer aided information retrieval. Conference, Barcelona, 2.-4.5.1991 (1991)
0.01
0.0052524996 = product of:
0.010504999 = sum of:
0.010504999 = product of:
0.021009998 = sum of:
0.021009998 = weight(_text_:e in 4651) [ClassicSimilarity], result of:
0.021009998 = score(doc=4651,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.31761688 = fieldWeight in 4651, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=4651)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Sparck Jones, K.: Automatic keyword classification for information retrieval (1971)
0.01
0.0052524996 = product of:
0.010504999 = sum of:
0.010504999 = product of:
0.021009998 = sum of:
0.021009998 = weight(_text_:e in 5176) [ClassicSimilarity], result of:
0.021009998 = score(doc=5176,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.31761688 = fieldWeight in 5176, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.15625 = fieldNorm(doc=5176)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Garfield, E.: KeyWords Plus takes you beyond title words (1990)
0.01
0.005199709 = product of:
0.010399418 = sum of:
0.010399418 = product of:
0.020798836 = sum of:
0.020798836 = weight(_text_:e in 4344) [ClassicSimilarity], result of:
0.020798836 = score(doc=4344,freq=4.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.31442466 = fieldWeight in 4344, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=4344)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Garfield, E.: KeyWords Plus : ISI's breakthrough retrieval method (1990)
0.01
0.005199709 = product of:
0.010399418 = sum of:
0.010399418 = product of:
0.020798836 = sum of:
0.020798836 = weight(_text_:e in 4345) [ClassicSimilarity], result of:
0.020798836 = score(doc=4345,freq=4.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.31442466 = fieldWeight in 4345, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=4345)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Jones, K.P.: Natural-language processing and automatic indexing : a reply (1990)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 394) [ClassicSimilarity], result of:
0.016807998 = score(doc=394,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 394, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=394)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Salton, G.; McGill, M. J.: Introduction to modern information retrieval (1983)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2328) [ClassicSimilarity], result of:
0.016807998 = score(doc=2328,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2328, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2328)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
¬The smart retrieval system : experiments in automatic document processing (1971)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2330) [ClassicSimilarity], result of:
0.016807998 = score(doc=2330,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2330, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2330)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Research and development in information retrieval : Proc., Berlin, 18.-20.5.1982 (1983)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2332) [ClassicSimilarity], result of:
0.016807998 = score(doc=2332,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2332, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2332)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Keitz, W. von: Automatic indexing and the dissemination of information (1986)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2390) [ClassicSimilarity], result of:
0.016807998 = score(doc=2390,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2390, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2390)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Salton, G.; Wong, A.: Generation and search of clustered files (1978)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2411) [ClassicSimilarity], result of:
0.016807998 = score(doc=2411,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2411, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2411)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Griffiths, A.; Robinson, L.A.; Willett, P.: Hierarchic agglomerative clustering methods for automatic document classification (1984)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2414) [ClassicSimilarity], result of:
0.016807998 = score(doc=2414,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2414, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2414)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Willett, P.: Recent trends in hierarchic document clustering : a critical review (1988)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2604) [ClassicSimilarity], result of:
0.016807998 = score(doc=2604,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2604, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2604)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Sparck Jones, K.; Tait, J.I.: Automatic search term variant generation (1984)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 2918) [ClassicSimilarity], result of:
0.016807998 = score(doc=2918,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 2918, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=2918)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Rijsbergen, C.J. van: ¬A fast hierarchic clustering algorithm (1970)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 3300) [ClassicSimilarity], result of:
0.016807998 = score(doc=3300,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 3300, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=3300)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Borko, H.; Bernick, M.: Automatic document classification : T.2 (1964)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 4197) [ClassicSimilarity], result of:
0.016807998 = score(doc=4197,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 4197, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=4197)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Gray, W.A.; Harley, A.J.: Computer assisted indexing (1971)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 4346) [ClassicSimilarity], result of:
0.016807998 = score(doc=4346,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 4346, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=4346)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Jardine, N.; Rijsbergen, C.J. van: ¬The use of hierarchic clustering in information retrieval (1971)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 5170) [ClassicSimilarity], result of:
0.016807998 = score(doc=5170,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 5170, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=5170)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Dattola, R.T.: FIRST: Flexible information retrieval system for text (1979)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 5172) [ClassicSimilarity], result of:
0.016807998 = score(doc=5172,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 5172, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=5172)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Sparck Jones, K.; Jackson, D.M.: ¬The use of automatically obtained keyword classification for information retrieval (1970)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 5177) [ClassicSimilarity], result of:
0.016807998 = score(doc=5177,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 5177, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=5177)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Luhn, H.P.: ¬A statistical approach to the mechanical encoding and searching of literary information (1957)
0.00
0.0042019994 = product of:
0.008403999 = sum of:
0.008403999 = product of:
0.016807998 = sum of:
0.016807998 = weight(_text_:e in 5453) [ClassicSimilarity], result of:
0.016807998 = score(doc=5453,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.2540935 = fieldWeight in 5453, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.125 = fieldNorm(doc=5453)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e