-
Dobrota, M.; Bulajic, M.; Bornmann, L.; Jeremic, V.: ¬A new approach to the QS university ranking using the composite I-distance indicator : uncertainty and sensitivity analyses (2016)
0.00
0.0025748524 = product of:
0.01029941 = sum of:
0.01029941 = weight(_text_:information in 2500) [ClassicSimilarity], result of:
0.01029941 = score(doc=2500,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.116372846 = fieldWeight in 2500, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=2500)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.1, S.200-211
-
Bornmann, L.; Daniel, H.-D.: Multiple publication on a single research study: does it pay? : The influence of number of research articles on total citation counts in biomedicine (2007)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 444) [ClassicSimilarity], result of:
0.008582841 = score(doc=444,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 444, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=444)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 58(2007) no.8, S.1100-1107
-
Bornmann, L.; Mutz, R.; Daniel, H.-D.: Are there better indices for evaluation purposes than the h index? : a comparison of nine different variants of the h index using data from biomedicine (2008)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 1608) [ClassicSimilarity], result of:
0.008582841 = score(doc=1608,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 1608, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=1608)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.5, S.830-837
-
Bornmann, L.; Mutz, R.; Daniel, H.D.: Do we need the h index and its variants in addition to standard bibliometric measures? (2009)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 2861) [ClassicSimilarity], result of:
0.008582841 = score(doc=2861,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 2861, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=2861)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.6, S.1286-1289
-
Bornmann, L.; Daniel, H.-D.: Universality of citation distributions : a validation of Radicchi et al.'s relative indicator cf = c/c0 at the micro level using data from chemistry (2009)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 2954) [ClassicSimilarity], result of:
0.008582841 = score(doc=2954,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 2954, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=2954)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.8, S.1664-1670
-
Bornmann, L.; Schier, H.; Marx, W.; Daniel, H.-D.: Is interactive open access publishing able to identify high-impact submissions? : a study on the predictive validity of Atmospheric Chemistry and Physics by using percentile rank classes (2011)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 4132) [ClassicSimilarity], result of:
0.008582841 = score(doc=4132,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 4132, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=4132)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 62(2011) no.1, S.61-71
-
Bornmann, L.; Marx, W.: ¬The Anna Karenina principle : a way of thinking about success in science (2012)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 449) [ClassicSimilarity], result of:
0.008582841 = score(doc=449,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 449, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=449)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.10, S.2037-2051
-
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
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 532) [ClassicSimilarity], result of:
0.008582841 = score(doc=532,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 532, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=532)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 64(2013) no.1, S.96-107
-
Bornmann, L.; Mutz, R.; Daniel, H.-D.: Multilevel-statistical reformulation of citation-based university rankings : the Leiden ranking 2011/2012 (2013)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 1007) [ClassicSimilarity], result of:
0.008582841 = score(doc=1007,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 1007, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=1007)
0.25 = coord(1/4)
- Source
- Journal of the American Society for Information Science and Technology. 64(2013) no.8, S.1649-1658
-
Bornmann, L.; Moya Anegón, F.de: What proportion of excellent papers makes an institution one of the best worldwide? : Specifying thresholds for the interpretation of the results of the SCImago Institutions Ranking and the Leiden Ranking (2014)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 1235) [ClassicSimilarity], result of:
0.008582841 = score(doc=1235,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 1235, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=1235)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.4, S.732-736
-
Bornmann, L.; Wagner, C.; Leydesdorff, L.: BRICS countries and scientific excellence : a bibliometric analysis of most frequently cited papers (2015)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 2047) [ClassicSimilarity], result of:
0.008582841 = score(doc=2047,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 2047, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=2047)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.7, S.1507-1513
-
Ye, F.Y.; Bornmann, L.: "Smart girls" versus "sleeping beauties" in the sciences : the identification of instant and delayed recognition by using the citation angle (2018)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 2160) [ClassicSimilarity], result of:
0.008582841 = score(doc=2160,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 2160, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=2160)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 69(2018) no.3, S.359-367
-
Mutz, R.; Bornmann, L.; Daniel, H.-D.: Testing for the fairness and predictive validity of research funding decisions : a multilevel multiple imputation for missing data approach using ex-ante and ex-post peer evaluation data from the Austrian science fund (2015)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 2270) [ClassicSimilarity], result of:
0.008582841 = score(doc=2270,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 2270, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=2270)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.11, S.2321-2339
-
Bornmann, L.: How much does the expected number of citations for a publication change if it contains the address of a specific scientific institute? : a new approach for the analysis of citation data on the institutional level based on regression models (2016)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 3095) [ClassicSimilarity], result of:
0.008582841 = score(doc=3095,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 3095, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=3095)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.9, S.2274-2282
-
Bornmann, L.; Thor, A.; Marx, W.; Schier, H.: ¬The application of bibliometrics to research evaluation in the humanities and social sciences : an exploratory study using normalized Google Scholar data for the publications of a research institute (2016)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 3160) [ClassicSimilarity], result of:
0.008582841 = score(doc=3160,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 3160, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=3160)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.11, S.2778-2789
-
Bornmann, L.; Haunschild, R.: ¬An empirical look at the nature index (2017)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 3432) [ClassicSimilarity], result of:
0.008582841 = score(doc=3432,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 3432, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=3432)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 68(2017) no.3, S.653-659
-
Bornmann, L.: Is collaboration among scientists related to the citation impact of papers because their quality increases with collaboration? : an analysis based on data from F1000Prime and normalized citation scores (2017)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 3539) [ClassicSimilarity], result of:
0.008582841 = score(doc=3539,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 3539, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=3539)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 68(2017) no.4, S.1036-1047
-
Leydesdorff, L.; Bornmann, L.; Mingers, J.: Statistical significance and effect sizes of differences among research universities at the level of nations and worldwide based on the Leiden rankings (2019)
0.00
0.0021457102 = product of:
0.008582841 = sum of:
0.008582841 = weight(_text_:information in 5225) [ClassicSimilarity], result of:
0.008582841 = score(doc=5225,freq=2.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.09697737 = fieldWeight in 5225, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=5225)
0.25 = coord(1/4)
- Source
- Journal of the Association for Information Science and Technology. 70(2019) no.5, S.509-525
