-
Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
0.05
0.04789843 = product of:
0.09579686 = sum of:
0.09579686 = sum of:
0.008422533 = weight(_text_:s in 2134) [ClassicSimilarity], result of:
0.008422533 = score(doc=2134,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.16817348 = fieldWeight in 2134, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=2134)
0.08737433 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
0.08737433 = score(doc=2134,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = 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)
- Date
- 30. 3.2001 13:32:22
- Source
- Computer journal. 26(1983), S.239-246
-
Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973)
0.03
0.027370533 = product of:
0.054741066 = sum of:
0.054741066 = sum of:
0.004812876 = weight(_text_:s in 5002) [ClassicSimilarity], result of:
0.004812876 = score(doc=5002,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 5002, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=5002)
0.04992819 = weight(_text_:22 in 5002) [ClassicSimilarity], result of:
0.04992819 = score(doc=5002,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = 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)
- Date
- 19. 3.1996 11:22:12
- Source
- Journal of documentation. 29(1973) no.3, S.251-257
-
Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996)
0.02
0.0205279 = product of:
0.0410558 = sum of:
0.0410558 = sum of:
0.003609657 = weight(_text_:s in 6967) [ClassicSimilarity], result of:
0.003609657 = score(doc=6967,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 6967, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=6967)
0.03744614 = weight(_text_:22 in 6967) [ClassicSimilarity], result of:
0.03744614 = score(doc=6967,freq=2.0), product of:
0.16130796 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046063907 = 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)
- Pages
- S.47-76
- 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
-
Rijsbergen, C.J. van: Foundations of evaluation (1974)
0.00
0.0030080476 = product of:
0.006016095 = sum of:
0.006016095 = product of:
0.01203219 = sum of:
0.01203219 = weight(_text_:s in 1078) [ClassicSimilarity], result of:
0.01203219 = score(doc=1078,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.24024783 = fieldWeight in 1078, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.15625 = fieldNorm(doc=1078)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of documentation. 30(1974), S.365-373
-
Rijsbergen, C.J. van: ¬A non-classical logic for information retrieval (1986)
0.00
0.0025524131 = product of:
0.0051048263 = sum of:
0.0051048263 = product of:
0.010209653 = sum of:
0.010209653 = weight(_text_:s in 1933) [ClassicSimilarity], result of:
0.010209653 = score(doc=1933,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.20385705 = fieldWeight in 1933, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=1933)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann. 1997. S.268-272.
- Source
- Computer journal. 29(1986), S.481-485
-
Rijsbergen, C.J. van: Automatic classification in information retrieval (1978)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 2412) [ClassicSimilarity], result of:
0.009625752 = score(doc=2412,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 2412, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=2412)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Drexel library quarterly. 14(1978), S.75-89
-
Rijsbergen, C.J. van: ¬A fast hierarchic clustering algorithm (1970)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 3300) [ClassicSimilarity], result of:
0.009625752 = score(doc=3300,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 3300, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=3300)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Computer journal. 13(1970), S.324-326
-
Dunlop, M.D.; Rijsbergen, C.J. van: Hypermedia and free text retrieval (1993)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 4709) [ClassicSimilarity], result of:
0.009625752 = score(doc=4709,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 4709, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, 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
-
Jardine, N.; Rijsbergen, C.J. van: ¬The use of hierarchic clustering in information retrieval (1971)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 5170) [ClassicSimilarity], result of:
0.009625752 = score(doc=5170,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 5170, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=5170)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information storage and retrieval. 7(1971), S.217-240
-
Rijsbergen, C.J. van: Retrieval effectiveness (1981)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 3147) [ClassicSimilarity], result of:
0.009625752 = score(doc=3147,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 3147, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=3147)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.32-43
-
Jose, J.M.; Joho, H.; Rijsbergen, C.J. van: Adaptive information retrieval : introduction to the special topic issue of information processing and management (2008)
0.00
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = product of:
0.007219314 = sum of:
0.007219314 = weight(_text_:s in 6243) [ClassicSimilarity], result of:
0.007219314 = score(doc=6243,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.14414869 = fieldWeight in 6243, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=6243)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 44(2008) no.6, S.1819-1821
-
Crestani, F.; Ruthven, I.; Sanderson, M.; Rijsbergen, C.J. van: ¬The troubles with using a logical model of IR on a large collection of documents : experimenting retrieval by logical imaging on TREC (1996)
0.00
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = product of:
0.006016095 = sum of:
0.006016095 = weight(_text_:s in 7522) [ClassicSimilarity], result of:
0.006016095 = score(doc=7522,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.120123915 = fieldWeight in 7522, 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=7522)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.509-526
-
Rijsbergen, C.J. van: Information retrieval (1979)
0.00
0.0014889077 = product of:
0.0029778155 = sum of:
0.0029778155 = product of:
0.005955631 = sum of:
0.005955631 = weight(_text_:s in 856) [ClassicSimilarity], result of:
0.005955631 = score(doc=856,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.118916616 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Text des Buches auch auf der Beilage CD von: Belew, R.K.: Finding out about: a cognitive perspective on search engine technology and the WWW. Cambridge: Cambridge University Press 2001. XXVII, 356 S. + 1 CD-ROM. ISBN 0-521-63028-2. [Sign.: 63 TWD 113]
- Pages
- IX, 208 S
-
Sembok, T.M.T.; Rijsbergen, C.J. van: SILOL: a simple logical-linguistic document retrieval system (1990)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 6684) [ClassicSimilarity], result of:
0.004812876 = score(doc=6684,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 6684, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=6684)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 26(1990) no.1, S.111-134
-
Salton, G.; Rijsbergen, C.J. van; Maron, M.E.: Panel on key issues in information retrieval (1983)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 7410) [ClassicSimilarity], result of:
0.004812876 = score(doc=7410,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 7410, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=7410)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- SIGIR forum. 17(1983) no.4, S.251-267
-
Sembok, T.M.T.; Rijsbergen, C.J. van: IMAGING: a relevant feedback retrieval with nearest neighbour clusters (1994)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 1071) [ClassicSimilarity], result of:
0.004812876 = score(doc=1071,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 1071, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=1071)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.91-107
-
Crestani, F.; Rijsbergen, C.J. van: Information retrieval by logical imaging (1995)
0.00
0.0010528166 = product of:
0.0021056333 = sum of:
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = weight(_text_:s in 1759) [ClassicSimilarity], result of:
0.0042112665 = score(doc=1759,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08408674 = fieldWeight in 1759, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=1759)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of documentation. 51(1995) no.1, S.3-17
-
Sparck Jones, K.; Rijsbergen, C.J. van: Progress in documentation : Information retrieval test collection (1976)
0.00
0.0010528166 = product of:
0.0021056333 = sum of:
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = weight(_text_:s in 4161) [ClassicSimilarity], result of:
0.0042112665 = score(doc=4161,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08408674 = fieldWeight in 4161, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=4161)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of documentation. 32(1976) no.1, S.59-75
-
Rijsbergen, C.J. van; Lalmas, M.: Information calculus for information retrieval (1996)
0.00
7.520119E-4 = product of:
0.0015040238 = sum of:
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = weight(_text_:s in 4201) [ClassicSimilarity], result of:
0.0030080476 = score(doc=4201,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 4201, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=4201)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 47(1996) no.5, S.385-398
