Dani, A.; Chatzopoulou, C.; Siatri, R.; Mystakopoulos, F.; Antonopoulou, S.; Katrinaki, E.; Garoufallou, E.: Digital libraries evaluation : measuring Europeana's usability (2015)
0.00
0.0049582394 = product of:
0.009916479 = sum of:
0.009916479 = product of:
0.029749434 = sum of:
0.029749434 = weight(_text_:c in 2395) [ClassicSimilarity], result of:
0.029749434 = score(doc=2395,freq=2.0), product of:
0.15612034 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.045260075 = queryNorm
0.1905545 = fieldWeight in 2395, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.0390625 = fieldNorm(doc=2395)
0.33333334 = coord(1/3)
0.5 = coord(1/2)