-
Raan, A.F.J. van: Statistical properties of bibliometric indicators : research group indicator distributions and correlations (2006)
0.01
0.013115749 = product of:
0.026231498 = sum of:
0.026231498 = product of:
0.052462995 = sum of:
0.052462995 = weight(_text_:22 in 5275) [ClassicSimilarity], result of:
0.052462995 = score(doc=5275,freq=4.0), product of:
0.15980367 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045634337 = queryNorm
0.32829654 = fieldWeight in 5275, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=5275)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 7.2006 16:20:22
-
Raan, A.F.J. van: Scaling rules in the science system : influence of field-specific citation characteristics on the impact of research groups (2008)
0.01
0.009274234 = product of:
0.018548468 = sum of:
0.018548468 = product of:
0.037096936 = sum of:
0.037096936 = weight(_text_:22 in 2758) [ClassicSimilarity], result of:
0.037096936 = score(doc=2758,freq=2.0), product of:
0.15980367 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045634337 = queryNorm
0.23214069 = fieldWeight in 2758, 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=2758)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 3.2009 19:03:12
-
Costas, R.; Bordons, M.; Leeuwen, T.N. van; Raan, A.F.J. van: Scaling rules in the science system : Influence of field-specific citation characteristics on the impact of individual researchers (2009)
0.01
0.0077285287 = product of:
0.015457057 = sum of:
0.015457057 = product of:
0.030914115 = sum of:
0.030914115 = weight(_text_:22 in 2759) [ClassicSimilarity], result of:
0.030914115 = score(doc=2759,freq=2.0), product of:
0.15980367 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.045634337 = queryNorm
0.19345059 = fieldWeight in 2759, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=2759)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 3.2009 19:02:48
-
Waltman, L.; Calero-Medina, C.; Kosten, J.; Noyons, E.C.M.; Tijssen, R.J.W.; Eck, N.J. van; Leeuwen, T.N. van; Raan, A.F.J. van; Visser, M.S.; Wouters, P.: ¬The Leiden ranking 2011/2012 : data collection, indicators, and interpretation (2012)
0.01
0.00636322 = product of:
0.01272644 = sum of:
0.01272644 = product of:
0.02545288 = sum of:
0.02545288 = weight(_text_:j in 514) [ClassicSimilarity], result of:
0.02545288 = score(doc=514,freq=2.0), product of:
0.14500295 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.045634337 = queryNorm
0.17553353 = fieldWeight in 514, 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=514)
0.5 = coord(1/2)
0.5 = coord(1/2)