-
Leydesdorff, L.: Can networks of journal-journal citations be used as indicators of change in the social sciences? (2003)
0.02
0.021857034 = product of:
0.04371407 = sum of:
0.04371407 = sum of:
0.006302999 = weight(_text_:e in 4460) [ClassicSimilarity], result of:
0.006302999 = score(doc=4460,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 4460, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=4460)
0.03741107 = weight(_text_:22 in 4460) [ClassicSimilarity], result of:
0.03741107 = score(doc=4460,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
- Date
- 6.11.2005 19:02:22
- Language
- e
-
Leydesdorff, L.; Sun, Y.: National and international dimensions of the Triple Helix in Japan : university-industry-government versus international coauthorship relations (2009)
0.02
0.021857034 = product of:
0.04371407 = sum of:
0.04371407 = sum of:
0.006302999 = weight(_text_:e in 2761) [ClassicSimilarity], result of:
0.006302999 = score(doc=2761,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 2761, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=2761)
0.03741107 = weight(_text_:22 in 2761) [ClassicSimilarity], result of:
0.03741107 = score(doc=2761,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
- Date
- 22. 3.2009 19:07:20
- Language
- e
-
Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019)
0.02
0.021857034 = product of:
0.04371407 = sum of:
0.04371407 = sum of:
0.006302999 = weight(_text_:e in 4681) [ClassicSimilarity], result of:
0.006302999 = score(doc=4681,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 4681, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=4681)
0.03741107 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
0.03741107 = score(doc=4681,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
- Date
- 8. 1.2019 18:22:45
- Language
- e
-
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)
0.02
0.018214198 = product of:
0.036428396 = sum of:
0.036428396 = sum of:
0.0052524996 = weight(_text_:e in 4186) [ClassicSimilarity], result of:
0.0052524996 = score(doc=4186,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.07940422 = fieldWeight in 4186, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0390625 = fieldNorm(doc=4186)
0.031175895 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
0.031175895 = score(doc=4186,freq=2.0), product of:
0.1611569 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04602077 = 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)
- Date
- 22. 1.2011 12:51:07
- Language
- e
-
Leydesdorff, L.: Accounting for the uncertainty in the evaluation of percentile ranks (2012)
0.00
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = product of:
0.012605998 = sum of:
0.012605998 = weight(_text_:e in 447) [ClassicSimilarity], result of:
0.012605998 = score(doc=447,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.19057012 = fieldWeight in 447, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.09375 = fieldNorm(doc=447)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: ¬The generation of aggregated journal-journal citation maps on the basis of the CD-ROM version of the Science Citation Index (1994)
0.00
0.0018383748 = product of:
0.0036767495 = sum of:
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = weight(_text_:e in 8281) [ClassicSimilarity], result of:
0.007353499 = score(doc=8281,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.1111659 = fieldWeight in 8281, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=8281)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Theories of citation? (1999)
0.00
0.0018383748 = product of:
0.0036767495 = sum of:
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = weight(_text_:e in 5130) [ClassicSimilarity], result of:
0.007353499 = score(doc=5130,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.1111659 = fieldWeight in 5130, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=5130)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (2002)
0.00
0.0018383748 = product of:
0.0036767495 = sum of:
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = weight(_text_:e in 1249) [ClassicSimilarity], result of:
0.007353499 = score(doc=1249,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.1111659 = fieldWeight in 1249, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=1249)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Similarity measures, author cocitation Analysis, and information theory (2005)
0.00
0.0018383748 = product of:
0.0036767495 = sum of:
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = weight(_text_:e in 3471) [ClassicSimilarity], result of:
0.007353499 = score(doc=3471,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.1111659 = fieldWeight in 3471, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=3471)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.; Shin, J.C.: How to evaluate universities in terms of their relative citation impacts : fractional counting of citations and the normalization of differences among disciplines (2011)
0.00
0.0018383748 = product of:
0.0036767495 = sum of:
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = weight(_text_:e in 4466) [ClassicSimilarity], result of:
0.007353499 = score(doc=4466,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.1111659 = fieldWeight in 4466, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=4466)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Marx, W.; Bornmann, L.; Barth, A.; Leydesdorff, L.: Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS) (2014)
0.00
0.0018383748 = product of:
0.0036767495 = sum of:
0.0036767495 = product of:
0.007353499 = sum of:
0.007353499 = weight(_text_:e in 1238) [ClassicSimilarity], result of:
0.007353499 = score(doc=1238,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.1111659 = fieldWeight in 1238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=1238)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Why words and co-word cannot map the development of the science (1997)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 147) [ClassicSimilarity], result of:
0.006302999 = score(doc=147,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 147, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=147)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Clusters and maps of science journals based on bi-connected graphs in Journal Citation Reports (2004)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 4427) [ClassicSimilarity], result of:
0.006302999 = score(doc=4427,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 4427, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=4427)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.; Bihui, J.: Mapping the Chinese Science Citation Database in terms of aggregated journal-journal citation relations (2005)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 4813) [ClassicSimilarity], result of:
0.006302999 = score(doc=4813,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 4813, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=4813)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.; Bensman, S.: Classification and Powerlaws : the logarithmic transformation (2006)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 6007) [ClassicSimilarity], result of:
0.006302999 = score(doc=6007,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 6007, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=6007)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
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
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 70) [ClassicSimilarity], result of:
0.006302999 = score(doc=70,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 70, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=70)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Betweenness centrality as an indicator of the interdisciplinarity of scientific journals (2007)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 453) [ClassicSimilarity], result of:
0.006302999 = score(doc=453,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 453, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=453)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: On the normalization and visualization of author co-citation data : Salton's Cosine versus the Jaccard index (2008)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 1341) [ClassicSimilarity], result of:
0.006302999 = score(doc=1341,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 1341, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=1341)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Caveats for the use of citation indicators in research and journal evaluations (2008)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 1361) [ClassicSimilarity], result of:
0.006302999 = score(doc=1361,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 1361, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=1361)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e
-
Leydesdorff, L.: Patent classifications as indicators of intellectual organization (2008)
0.00
0.0015757497 = product of:
0.0031514994 = sum of:
0.0031514994 = product of:
0.006302999 = sum of:
0.006302999 = weight(_text_:e in 2002) [ClassicSimilarity], result of:
0.006302999 = score(doc=2002,freq=2.0), product of:
0.06614887 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.04602077 = queryNorm
0.09528506 = fieldWeight in 2002, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.046875 = fieldNorm(doc=2002)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e