Abad-García, M.-F.; González-Teruel, A.; González-Llinares, J.: Effectiveness of OpenAIRE, BASE, Recolecta, and Google Scholar at finding spanish articles in repositories (2018)
0.01
0.008222226 = product of:
0.024666676 = sum of:
0.024666676 = weight(_text_:j in 4185) [ClassicSimilarity], result of:
0.024666676 = score(doc=4185,freq=2.0), product of:
0.14052401 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.044224758 = queryNorm
0.17553353 = fieldWeight in 4185, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=4185)
0.33333334 = coord(1/3)
