-
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
-
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: 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
-
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: 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
-
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