Vibert, N.; Ros, C.; Bigot, L. le; Ramond, M.; Gatefin, J.; Rouet, J.-F.: Effects of domain knowledge on reference search with the PubMed database : an experimental study (2009)
0.01
0.0057760086 = product of:
0.023104034 = sum of:
0.023104034 = weight(_text_:technology in 2940) [ClassicSimilarity], result of:
0.023104034 = score(doc=2940,freq=2.0), product of:
0.14042088 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.04714662 = queryNorm
0.16453418 = fieldWeight in 2940, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0390625 = fieldNorm(doc=2940)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.7, S.1423-1447