-
Waltman, L.; Eck, N.J. van; Raan, A.F.J. van: Universality of citation distributions revisited (2012)
0.02
0.024259146 = product of:
0.072777435 = sum of:
0.072777435 = product of:
0.14555487 = sum of:
0.14555487 = weight(_text_:van in 4963) [ClassicSimilarity], result of:
0.14555487 = score(doc=4963,freq=4.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.60993946 = fieldWeight in 4963, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0546875 = fieldNorm(doc=4963)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
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)
0.02
0.021222334 = product of:
0.063667 = sum of:
0.063667 = product of:
0.127334 = sum of:
0.127334 = weight(_text_:van in 514) [ClassicSimilarity], result of:
0.127334 = score(doc=514,freq=6.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.5335859 = fieldWeight in 514, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0390625 = fieldNorm(doc=514)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
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)
0.02
0.020793555 = product of:
0.062380664 = sum of:
0.062380664 = product of:
0.12476133 = sum of:
0.12476133 = weight(_text_:van in 4112) [ClassicSimilarity], result of:
0.12476133 = score(doc=4112,freq=4.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.5228053 = fieldWeight in 4112, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.046875 = fieldNorm(doc=4112)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Waltman, L.; Eck, N.J. van: Some comments on the question whether co-occurrence data should be normalized (2007)
0.02
0.017153807 = product of:
0.05146142 = sum of:
0.05146142 = product of:
0.10292284 = sum of:
0.10292284 = weight(_text_:van in 583) [ClassicSimilarity], result of:
0.10292284 = score(doc=583,freq=2.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.43129233 = fieldWeight in 583, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0546875 = fieldNorm(doc=583)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Eck, N.J. van; Waltman, L.: Appropriate similarity measures for author co-citation analysis (2008)
0.02
0.017153807 = product of:
0.05146142 = sum of:
0.05146142 = product of:
0.10292284 = sum of:
0.10292284 = weight(_text_:van in 2008) [ClassicSimilarity], result of:
0.10292284 = score(doc=2008,freq=2.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.43129233 = fieldWeight in 2008, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0546875 = fieldNorm(doc=2008)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Waltman, L.; Eck, N.J. van: ¬The relation between eigenfactor, audience factor, and influence weight (2010)
0.02
0.017153807 = product of:
0.05146142 = sum of:
0.05146142 = product of:
0.10292284 = sum of:
0.10292284 = weight(_text_:van in 3596) [ClassicSimilarity], result of:
0.10292284 = score(doc=3596,freq=2.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.43129233 = fieldWeight in 3596, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0546875 = fieldNorm(doc=3596)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Eck, N.J. van; Waltman, L.: How to normalize cooccurrence data? : an analysis of some well-known similarity measures (2009)
0.01
0.014703264 = product of:
0.04410979 = sum of:
0.04410979 = product of:
0.08821958 = sum of:
0.08821958 = weight(_text_:van in 2942) [ClassicSimilarity], result of:
0.08821958 = score(doc=2942,freq=2.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.36967915 = fieldWeight in 2942, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.046875 = fieldNorm(doc=2942)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
Waltman, L.; Eck, N.J. van: ¬The inconsistency of the h-index : the case of web accessibility in Western European countries (2012)
0.01
0.014703264 = product of:
0.04410979 = sum of:
0.04410979 = product of:
0.08821958 = sum of:
0.08821958 = weight(_text_:van in 40) [ClassicSimilarity], result of:
0.08821958 = score(doc=40,freq=2.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.36967915 = fieldWeight in 40, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.046875 = fieldNorm(doc=40)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
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
0.014703264 = product of:
0.04410979 = sum of:
0.04410979 = product of:
0.08821958 = sum of:
0.08821958 = weight(_text_:van in 4214) [ClassicSimilarity], result of:
0.08821958 = score(doc=4214,freq=2.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.36967915 = fieldWeight in 4214, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.046875 = fieldNorm(doc=4214)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
-
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
0.01225272 = product of:
0.03675816 = sum of:
0.03675816 = product of:
0.07351632 = sum of:
0.07351632 = weight(_text_:van in 511) [ClassicSimilarity], result of:
0.07351632 = score(doc=511,freq=2.0), product of:
0.23863824 = queryWeight, product of:
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.042792864 = queryNorm
0.30806595 = fieldWeight in 511, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.5765896 = idf(docFreq=454, maxDocs=44218)
0.0390625 = fieldNorm(doc=511)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
