Salton, G.; Wong, A.; Yang, C.S.: ¬A vector space model for automatic indexing (1975)
0.02
0.015668822 = product of:
0.047006465 = sum of:
0.047006465 = product of:
0.09401293 = sum of:
0.09401293 = weight(_text_:indexing in 1934) [ClassicSimilarity], result of:
0.09401293 = score(doc=1934,freq=2.0), product of:
0.22229293 = queryWeight, product of:
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.05807226 = queryNorm
0.42292362 = fieldWeight in 1934, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8278677 = idf(docFreq=2614, maxDocs=44218)
0.078125 = fieldNorm(doc=1934)
0.5 = coord(1/2)
0.33333334 = coord(1/3)