Sieverts, E.G.; Hofstede, M.; Haak, P.H.; Nieuwenhuysen, P.; Scheepsma, G.M.A.; Veeger, L.; Vis, G.C.: Software for information storage and retrieval tested, evaluated and compared : Pt. 2: Classical retrieval systems (1991)
0.01
0.009429461 = product of:
0.06600623 = sum of:
0.012695835 = weight(_text_:information in 5047) [ClassicSimilarity], result of:
0.012695835 = score(doc=5047,freq=2.0), product of:
0.0545481 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.031073077 = queryNorm
0.23274569 = fieldWeight in 5047, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=5047)
0.053310394 = weight(_text_:retrieval in 5047) [ClassicSimilarity], result of:
0.053310394 = score(doc=5047,freq=4.0), product of:
0.09399342 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.031073077 = queryNorm
0.5671716 = fieldWeight in 5047, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.09375 = fieldNorm(doc=5047)
0.14285715 = coord(2/14)