Salton, G.; Wong, A.; Yang, C.S.: ¬A vector space model for automatic indexing (1975)
0.01
0.013225921 = product of:
0.052903686 = sum of:
0.04174695 = weight(_text_:retrieval in 1934) [ClassicSimilarity], result of:
0.04174695 = score(doc=1934,freq=2.0), product of:
0.124912694 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.041294612 = queryNorm
0.33420905 = fieldWeight in 1934, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=1934)
0.011156735 = weight(_text_:of in 1934) [ClassicSimilarity], result of:
0.011156735 = score(doc=1934,freq=2.0), product of:
0.06457475 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.041294612 = queryNorm
0.17277241 = fieldWeight in 1934, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=1934)
0.25 = coord(2/8)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.273-280.
- Source
- Communications of the Association for Computing Machinery. 18(1975), S.613-620