McGill, M.J.; Huitfeldt, J.: Experimental techniques of information retrieval (1979)
0.02
0.017183032 = product of:
0.06873213 = sum of:
0.06873213 = weight(_text_:j in 279) [ClassicSimilarity], result of:
0.06873213 = score(doc=279,freq=2.0), product of:
0.1398433 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.044010527 = queryNorm
0.4914939 = fieldWeight in 279, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.109375 = fieldNorm(doc=279)
0.25 = coord(1/4)
