-
Leydesdorff, L.: Similarity measures, author cocitation Analysis, and information theory (2005)
0.01
0.008839957 = product of:
0.044199787 = sum of:
0.044199787 = weight(_text_:7 in 3471) [ClassicSimilarity], result of:
0.044199787 = score(doc=3471,freq=2.0), product of:
0.17251469 = queryWeight, product of:
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.052075688 = queryNorm
0.25620884 = fieldWeight in 3471, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.0546875 = fieldNorm(doc=3471)
0.2 = coord(1/5)
- Source
- Journal of the American Society for Information Science and Technology. 56(2005) no.7, S.769-772
-
Leydesdorff, L.: Can networks of journal-journal citations be used as indicators of change in the social sciences? (2003)
0.01
0.008466644 = product of:
0.04233322 = sum of:
0.04233322 = weight(_text_:22 in 4460) [ClassicSimilarity], result of:
0.04233322 = score(doc=4460,freq=2.0), product of:
0.18236019 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052075688 = 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)
0.2 = coord(1/5)
- 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
0.008466644 = product of:
0.04233322 = sum of:
0.04233322 = weight(_text_:22 in 2761) [ClassicSimilarity], result of:
0.04233322 = score(doc=2761,freq=2.0), product of:
0.18236019 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052075688 = 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)
0.2 = coord(1/5)
- 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
0.008466644 = product of:
0.04233322 = sum of:
0.04233322 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
0.04233322 = score(doc=4681,freq=2.0), product of:
0.18236019 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052075688 = 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)
0.2 = coord(1/5)
- Date
- 8. 1.2019 18:22:45
-
Leydesdorff, L.: How are new citation-based journal indicators adding to the bibliometric toolbox? (2009)
0.01
0.0075771073 = product of:
0.037885536 = sum of:
0.037885536 = weight(_text_:7 in 2929) [ClassicSimilarity], result of:
0.037885536 = score(doc=2929,freq=2.0), product of:
0.17251469 = queryWeight, product of:
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.052075688 = queryNorm
0.21960759 = fieldWeight in 2929, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.046875 = fieldNorm(doc=2929)
0.2 = coord(1/5)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.7, S.1327-1336
-
Zhou, P.; Su, X.; Leydesdorff, L.: ¬A comparative study on communication structures of Chinese journals in the social sciences (2010)
0.01
0.0075771073 = product of:
0.037885536 = sum of:
0.037885536 = weight(_text_:7 in 3580) [ClassicSimilarity], result of:
0.037885536 = score(doc=3580,freq=2.0), product of:
0.17251469 = queryWeight, product of:
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.052075688 = queryNorm
0.21960759 = fieldWeight in 3580, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.046875 = fieldNorm(doc=3580)
0.2 = coord(1/5)
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.7, S.1360-1376
-
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
0.007055537 = product of:
0.035277683 = sum of:
0.035277683 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
0.035277683 = score(doc=4186,freq=2.0), product of:
0.18236019 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052075688 = 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)
0.2 = coord(1/5)
- Date
- 22. 1.2011 12:51:07
-
Bornmann, L.; Wagner, C.; Leydesdorff, L.: BRICS countries and scientific excellence : a bibliometric analysis of most frequently cited papers (2015)
0.01
0.0063142553 = product of:
0.031571276 = sum of:
0.031571276 = weight(_text_:7 in 2047) [ClassicSimilarity], result of:
0.031571276 = score(doc=2047,freq=2.0), product of:
0.17251469 = queryWeight, product of:
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.052075688 = queryNorm
0.18300632 = fieldWeight in 2047, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3127685 = idf(docFreq=4376, maxDocs=44218)
0.0390625 = fieldNorm(doc=2047)
0.2 = coord(1/5)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.7, S.1507-1513