-
Oppenheim, C.: Electronic scholarly publishing and open access (2009)
0.01
0.006991277 = product of:
0.013982554 = sum of:
0.013982554 = product of:
0.027965108 = sum of:
0.027965108 = weight(_text_:22 in 3662) [ClassicSimilarity], result of:
0.027965108 = score(doc=3662,freq=2.0), product of:
0.1204662 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.034400932 = queryNorm
0.23214069 = fieldWeight in 3662, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=3662)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 8. 7.2010 19:22:45
-
Norris, M.; Oppenheim, C.; Rowland, F.: ¬The citation advantage of open-access articles (2008)
0.00
0.0029419996 = product of:
0.005883999 = sum of:
0.005883999 = product of:
0.011767998 = sum of:
0.011767998 = weight(_text_:m in 2374) [ClassicSimilarity], result of:
0.011767998 = score(doc=2374,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.13746867 = fieldWeight in 2374, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0390625 = fieldNorm(doc=2374)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zuccala, A.; Thelwall, M.; Oppenheim, C.; Dhiensa, R.: Web intelligence analyses of digital libraries : a case study of the National electronic Library for Health (NeLH) (2007)
0.00
0.0023535995 = product of:
0.004707199 = sum of:
0.004707199 = product of:
0.009414398 = sum of:
0.009414398 = weight(_text_:m in 838) [ClassicSimilarity], result of:
0.009414398 = score(doc=838,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.10997493 = fieldWeight in 838, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.03125 = fieldNorm(doc=838)
0.5 = coord(1/2)
0.5 = coord(1/2)