-
Hicks, D.; Wouters, P.; Waltman, L.; Rijcke, S. de; Rafols, I.: ¬The Leiden Manifesto for research metrics : 10 principles to guide research evaluation (2015)
0.01
0.013857029 = product of:
0.027714059 = sum of:
0.027714059 = product of:
0.055428118 = sum of:
0.055428118 = weight(_text_:l in 1994) [ClassicSimilarity], result of:
0.055428118 = score(doc=1994,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.30739886 = fieldWeight in 1994, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0546875 = fieldNorm(doc=1994)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Waltman, L.; Eck, N.J. van: ¬The relation between eigenfactor, audience factor, and influence weight (2010)
0.01
0.013857029 = product of:
0.027714059 = sum of:
0.027714059 = product of:
0.055428118 = sum of:
0.055428118 = weight(_text_:l in 3596) [ClassicSimilarity], result of:
0.055428118 = score(doc=3596,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.30739886 = fieldWeight in 3596, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0546875 = fieldNorm(doc=3596)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Waltman, L.; Eck, N.J. van; Raan, A.F.J. van: Universality of citation distributions revisited (2012)
0.01
0.013857029 = product of:
0.027714059 = sum of:
0.027714059 = product of:
0.055428118 = sum of:
0.055428118 = weight(_text_:l in 4963) [ClassicSimilarity], result of:
0.055428118 = score(doc=4963,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.30739886 = fieldWeight in 4963, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0546875 = fieldNorm(doc=4963)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Eck, N.J. van; Waltman, L.; Dekker, R.; Berg, J. van den: ¬A comparison of two techniques for bibliometric mapping : multidimensional scaling and VOS (2010)
0.01
0.011877453 = product of:
0.023754906 = sum of:
0.023754906 = product of:
0.04750981 = sum of:
0.04750981 = weight(_text_:l in 4112) [ClassicSimilarity], result of:
0.04750981 = score(doc=4112,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.26348472 = fieldWeight in 4112, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=4112)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Waltman, L.; Eck, N.J. van: ¬The inconsistency of the h-index : the case of web accessibility in Western European countries (2012)
0.01
0.011877453 = product of:
0.023754906 = sum of:
0.023754906 = product of:
0.04750981 = sum of:
0.04750981 = weight(_text_:l in 40) [ClassicSimilarity], result of:
0.04750981 = score(doc=40,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.26348472 = fieldWeight in 40, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=40)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Waltman, L.; Schreiber, M.: On the calculation of percentile-based bibliometric indicators (2013)
0.01
0.011877453 = product of:
0.023754906 = sum of:
0.023754906 = product of:
0.04750981 = sum of:
0.04750981 = weight(_text_:l in 616) [ClassicSimilarity], result of:
0.04750981 = score(doc=616,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.26348472 = fieldWeight in 616, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=616)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Waltman, L.; Costas, R.: F1000 Recommendations as a potential new data source for research evaluation : a comparison with citations (2014)
0.01
0.011877453 = product of:
0.023754906 = sum of:
0.023754906 = product of:
0.04750981 = sum of:
0.04750981 = weight(_text_:l in 1212) [ClassicSimilarity], result of:
0.04750981 = score(doc=1212,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.26348472 = fieldWeight in 1212, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=1212)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Colavizza, G.; Boyack, K.W.; Eck, N.J. van; Waltman, L.: ¬The closer the better : similarity of publication pairs at different cocitation levels (2018)
0.01
0.011877453 = product of:
0.023754906 = sum of:
0.023754906 = product of:
0.04750981 = sum of:
0.04750981 = weight(_text_:l in 4214) [ClassicSimilarity], result of:
0.04750981 = score(doc=4214,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.26348472 = fieldWeight in 4214, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=4214)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Waltman, L.; Eck, N.J. van: ¬A new methodology for constructing a publication-level classification system of science : keyword maps in Google scholar citations (2012)
0.01
0.009897877 = product of:
0.019795755 = sum of:
0.019795755 = product of:
0.03959151 = sum of:
0.03959151 = weight(_text_:l in 511) [ClassicSimilarity], result of:
0.03959151 = score(doc=511,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.2195706 = fieldWeight in 511, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=511)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
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
0.009897877 = product of:
0.019795755 = sum of:
0.019795755 = product of:
0.03959151 = sum of:
0.03959151 = weight(_text_:l in 514) [ClassicSimilarity], result of:
0.03959151 = score(doc=514,freq=2.0), product of:
0.18031335 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.045365814 = queryNorm
0.2195706 = fieldWeight in 514, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=514)
0.5 = coord(1/2)
0.5 = coord(1/2)
