-
Dunlop, M.D.; Rijsbergen, C.J. van: Hypermedia and free text retrieval (1993)
0.05
0.047335736 = product of:
0.09467147 = sum of:
0.09467147 = product of:
0.18934295 = sum of:
0.18934295 = weight(_text_:1993 in 4709) [ClassicSimilarity], result of:
0.18934295 = score(doc=4709,freq=5.0), product of:
0.17458819 = queryWeight, product of:
3.8800673 = idf(docFreq=2481, maxDocs=44218)
0.044996176 = queryNorm
1.0845118 = fieldWeight in 4709, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
3.8800673 = idf(docFreq=2481, maxDocs=44218)
0.125 = fieldNorm(doc=4709)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 29(1993) no.3, S.287-298
- Year
- 1993
-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.02
0.021337263 = product of:
0.042674527 = sum of:
0.042674527 = product of:
0.08534905 = sum of:
0.08534905 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
0.08534905 = score(doc=2134,freq=2.0), product of:
0.15756895 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044996176 = queryNorm
0.5416616 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 30. 3.2001 13:32:22
-
Sembok, T.M.T.; Rijsbergen, C.J. van: IMAGING: a relevant feedback retrieval with nearest neighbour clusters (1994)
0.01
0.014968874 = product of:
0.029937748 = sum of:
0.029937748 = product of:
0.059875496 = sum of:
0.059875496 = weight(_text_:1993 in 1071) [ClassicSimilarity], result of:
0.059875496 = score(doc=1071,freq=2.0), product of:
0.17458819 = queryWeight, product of:
3.8800673 = idf(docFreq=2481, maxDocs=44218)
0.044996176 = queryNorm
0.34295273 = fieldWeight in 1071, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8800673 = idf(docFreq=2481, maxDocs=44218)
0.0625 = fieldNorm(doc=1071)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information retrieval: new systems and current research. Proceedings of the 15th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Glasgow 1993. Ed.: Ruben Leon
-
Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973)
0.01
0.0121927215 = product of:
0.024385443 = sum of:
0.024385443 = product of:
0.048770886 = sum of:
0.048770886 = weight(_text_:22 in 5002) [ClassicSimilarity], result of:
0.048770886 = score(doc=5002,freq=2.0), product of:
0.15756895 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044996176 = queryNorm
0.30952093 = fieldWeight in 5002, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=5002)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 19. 3.1996 11:22:12
-
Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996)
0.01
0.009144541 = product of:
0.018289082 = sum of:
0.018289082 = product of:
0.036578164 = sum of:
0.036578164 = weight(_text_:22 in 6967) [ClassicSimilarity], result of:
0.036578164 = score(doc=6967,freq=2.0), product of:
0.15756895 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.044996176 = queryNorm
0.23214069 = fieldWeight in 6967, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=6967)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon