Rijsbergen, C.J. van: Information retrieval (1979)
0.06
0.064474635 = product of:
0.12894927 = sum of:
0.11937263 = weight(_text_:van in 856) [ClassicSimilarity], result of:
0.11937263 = score(doc=856,freq=2.0), product of:
0.27677894 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.049632296 = queryNorm
0.43129233 = fieldWeight in 856, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.009576638 = product of:
0.019153276 = sum of:
0.019153276 = weight(_text_:der in 856) [ClassicSimilarity], result of:
0.019153276 = score(doc=856,freq=2.0), product of:
0.11086697 = queryWeight, product of:
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.049632296 = queryNorm
0.17275909 = fieldWeight in 856, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.5 = coord(1/2)
0.5 = coord(2/4)
- 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]