-
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)
0.00
2.6145522E-4 = product of:
0.006274925 = sum of:
0.006274925 = product of:
0.018824775 = sum of:
0.018824775 = weight(_text_:p in 70) [ClassicSimilarity], result of:
0.018824775 = score(doc=70,freq=2.0), product of:
0.078979194 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.021966046 = 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)
0.33333334 = coord(1/3)
0.041666668 = coord(1/24)
-
Zhou, P.; Su, X.; Leydesdorff, L.: ¬A comparative study on communication structures of Chinese journals in the social sciences (2010)
0.00
2.6145522E-4 = product of:
0.006274925 = sum of:
0.006274925 = product of:
0.018824775 = sum of:
0.018824775 = weight(_text_:p in 3580) [ClassicSimilarity], result of:
0.018824775 = score(doc=3580,freq=2.0), product of:
0.078979194 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.021966046 = 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)
0.33333334 = coord(1/3)
0.041666668 = coord(1/24)
-
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)
0.00
2.1787935E-4 = product of:
0.0052291043 = sum of:
0.0052291043 = product of:
0.015687313 = sum of:
0.015687313 = weight(_text_:p in 532) [ClassicSimilarity], result of:
0.015687313 = score(doc=532,freq=2.0), product of:
0.078979194 = queryWeight, product of:
3.5955126 = idf(docFreq=3298, maxDocs=44218)
0.021966046 = 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)
0.33333334 = coord(1/3)
0.041666668 = coord(1/24)