-
Zhou, P.; Leydesdorff, L.: ¬A comparison between the China Scientific and Technical Papers and Citations Database and the Science Citation Index in terms of journal hierarchies and interjournal citation relations (2007)
0.01
0.00810253 = product of:
0.01620506 = sum of:
0.01620506 = product of:
0.03241012 = sum of:
0.03241012 = weight(_text_:p in 70) [ClassicSimilarity], result of:
0.03241012 = score(doc=70,freq=2.0), product of:
0.1359764 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037818365 = queryNorm
0.23835106 = fieldWeight in 70, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.046875 = fieldNorm(doc=70)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Zhou, P.; Su, X.; Leydesdorff, L.: ¬A comparative study on communication structures of Chinese journals in the social sciences (2010)
0.01
0.00810253 = product of:
0.01620506 = sum of:
0.01620506 = product of:
0.03241012 = sum of:
0.03241012 = weight(_text_:p in 3580) [ClassicSimilarity], result of:
0.03241012 = score(doc=3580,freq=2.0), product of:
0.1359764 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037818365 = queryNorm
0.23835106 = fieldWeight in 3580, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.046875 = fieldNorm(doc=3580)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Leydesdorff, L.: Can networks of journal-journal citations be used as indicators of change in the social sciences? (2003)
0.01
0.0076857996 = product of:
0.015371599 = sum of:
0.015371599 = product of:
0.030743198 = sum of:
0.030743198 = weight(_text_:22 in 4460) [ClassicSimilarity], result of:
0.030743198 = score(doc=4460,freq=2.0), product of:
0.13243347 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.037818365 = queryNorm
0.23214069 = fieldWeight in 4460, 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=4460)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 6.11.2005 19:02:22
-
Leydesdorff, L.; Sun, Y.: National and international dimensions of the Triple Helix in Japan : university-industry-government versus international coauthorship relations (2009)
0.01
0.0076857996 = product of:
0.015371599 = sum of:
0.015371599 = product of:
0.030743198 = sum of:
0.030743198 = weight(_text_:22 in 2761) [ClassicSimilarity], result of:
0.030743198 = score(doc=2761,freq=2.0), product of:
0.13243347 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.037818365 = queryNorm
0.23214069 = fieldWeight in 2761, 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=2761)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 3.2009 19:07:20
-
Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019)
0.01
0.0076857996 = product of:
0.015371599 = sum of:
0.015371599 = product of:
0.030743198 = sum of:
0.030743198 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
0.030743198 = score(doc=4681,freq=2.0), product of:
0.13243347 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.037818365 = queryNorm
0.23214069 = fieldWeight in 4681, 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=4681)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 8. 1.2019 18:22:45
-
Leydesdorff, L.; Heimeriks, G.: ¬The self-organization of the European information society : the case of "biotechnology" (2001)
0.01
0.0067521087 = product of:
0.013504217 = sum of:
0.013504217 = product of:
0.027008435 = sum of:
0.027008435 = weight(_text_:p in 6524) [ClassicSimilarity], result of:
0.027008435 = score(doc=6524,freq=2.0), product of:
0.1359764 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037818365 = queryNorm
0.19862589 = fieldWeight in 6524, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.0390625 = fieldNorm(doc=6524)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Vgl. auch die Stellungnahme von P. van den Besselaar: Empirical evidence of self-organization? in: JASIST 54(2003) no.1, S.87-90.
-
Leydesdorff, L.; Zhou, P.; Bornmann, L.: How can journal impact factors be normalized across fields of science? : An assessment in terms of percentile ranks and fractional counts (2013)
0.01
0.0067521087 = product of:
0.013504217 = sum of:
0.013504217 = product of:
0.027008435 = sum of:
0.027008435 = weight(_text_:p in 532) [ClassicSimilarity], result of:
0.027008435 = score(doc=532,freq=2.0), product of:
0.1359764 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.037818365 = queryNorm
0.19862589 = fieldWeight in 532, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.0390625 = fieldNorm(doc=532)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Leydesdorff, L.; Bornmann, L.: How fractional counting of citations affects the impact factor : normalization in terms of differences in citation potentials among fields of science (2011)
0.01
0.0064048334 = product of:
0.012809667 = sum of:
0.012809667 = product of:
0.025619334 = sum of:
0.025619334 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
0.025619334 = score(doc=4186,freq=2.0), product of:
0.13243347 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.037818365 = queryNorm
0.19345059 = fieldWeight in 4186, 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=4186)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 1.2011 12:51:07
