Kim, L.; Portenoy, J.H.; West, J.D.; Stovel, K.W.: Scientific journals still matter in the era of academic search engines and preprint archives (2020)
0.03
0.032316003 = product of:
0.064632006 = sum of:
0.064632006 = product of:
0.12926401 = sum of:
0.12926401 = weight(_text_:j.d in 5961) [ClassicSimilarity], result of:
0.12926401 = score(doc=5961,freq=2.0), product of:
0.3418521 = queryWeight, product of:
6.8448567 = idf(docFreq=127, maxDocs=44218)
0.049942914 = queryNorm
0.37812847 = fieldWeight in 5961, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.8448567 = idf(docFreq=127, maxDocs=44218)
0.0390625 = fieldNorm(doc=5961)
0.5 = coord(1/2)
0.5 = coord(1/2)