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)
0.00
0.0018787221 = product of:
0.0056361663 = sum of:
0.0056361663 = product of:
0.016908498 = sum of:
0.016908498 = weight(_text_:science in 4185) [ClassicSimilarity], result of:
0.016908498 = score(doc=4185,freq=2.0), product of:
0.11619691 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.044112243 = queryNorm
0.1455159 = fieldWeight in 4185, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0390625 = fieldNorm(doc=4185)
0.33333334 = coord(1/3)
0.33333334 = coord(1/3)
- Source
- Journal of the Association for Information Science and Technology. 69(2018) no.4, S.619-622
