-
Leydesdorff, L.: ¬The construction and globalization of the knowledge base in inter-human communication systems (2003)
0.03
0.03091987 = product of:
0.07729968 = sum of:
0.06043398 = sum of:
0.0169787 = weight(_text_:h in 1621) [ClassicSimilarity], result of:
0.0169787 = score(doc=1621,freq=2.0), product of:
0.10309036 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.041494254 = queryNorm
0.16469726 = fieldWeight in 1621, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=1621)
0.04345528 = weight(_text_:l in 1621) [ClassicSimilarity], result of:
0.04345528 = score(doc=1621,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.26348472 = fieldWeight in 1621, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=1621)
0.016865695 = product of:
0.03373139 = sum of:
0.03373139 = weight(_text_:22 in 1621) [ClassicSimilarity], result of:
0.03373139 = score(doc=1621,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = queryNorm
0.23214069 = fieldWeight in 1621, 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=1621)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Date
- 22. 5.2003 19:48:04
- Source
- Canadian Journal of Communication 28(2003), H.3, S. -
-
Ye, F.Y.; Yu, S.S.; Leydesdorff, L.: ¬The Triple Helix of university-industry-government relations at the country level and its dynamic evolution under the pressures of globalization (2013)
0.03
0.025374835 = product of:
0.06343709 = sum of:
0.04170945 = weight(_text_:u in 1110) [ClassicSimilarity], result of:
0.04170945 = score(doc=1110,freq=4.0), product of:
0.13587062 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041494254 = queryNorm
0.30697915 = fieldWeight in 1110, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.046875 = fieldNorm(doc=1110)
0.02172764 = product of:
0.04345528 = sum of:
0.04345528 = weight(_text_:l in 1110) [ClassicSimilarity], result of:
0.04345528 = score(doc=1110,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.26348472 = fieldWeight in 1110, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=1110)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Abstract
- Using data from the Web of Science (WoS), we analyze the mutual information among university, industry, and government addresses (U-I-G) at the country level for a number of countries. The dynamic evolution of the Triple Helix can thus be compared among developed and developing nations in terms of cross-sectional coauthorship relations. The results show that the Triple Helix interactions among the three subsystems U-I-G become less intensive over time, but unequally for different countries. We suggest that globalization erodes local Triple Helix relations and thus can be expected to have increased differentiation in national systems since the mid-1990s. This effect of globalization is more pronounced in developed countries than in developing ones. In the dynamic analysis, we focus on a more detailed comparison between China and the United States. Specifically, the Chinese Academy of the (Social) Sciences is changing increasingly from a public research institute to an academic one, and this has a measurable effect on China's position in the globalization.
-
Leydesdorff, L.; Bornmann, L.; Wagner, C.S.: ¬The relative influences of government funding and international collaboration on citation impact (2019)
0.02
0.01903729 = product of:
0.04759322 = sum of:
0.030727526 = product of:
0.061455052 = sum of:
0.061455052 = weight(_text_:l in 4681) [ClassicSimilarity], result of:
0.061455052 = score(doc=4681,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.37262368 = fieldWeight in 4681, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=4681)
0.5 = coord(1/2)
0.016865695 = product of:
0.03373139 = sum of:
0.03373139 = weight(_text_:22 in 4681) [ClassicSimilarity], result of:
0.03373139 = score(doc=4681,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = 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)
0.4 = coord(2/5)
- Date
- 8. 1.2019 18:22:45
-
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
0.015864408 = product of:
0.03966102 = sum of:
0.02560627 = product of:
0.05121254 = sum of:
0.05121254 = weight(_text_:l in 4186) [ClassicSimilarity], result of:
0.05121254 = score(doc=4186,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.31051973 = fieldWeight in 4186, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=4186)
0.5 = coord(1/2)
0.014054747 = product of:
0.028109495 = sum of:
0.028109495 = weight(_text_:22 in 4186) [ClassicSimilarity], result of:
0.028109495 = score(doc=4186,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = 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)
0.4 = coord(2/5)
- Date
- 22. 1.2011 12:51:07
-
Ye, F.Y.; Leydesdorff, L.: ¬The "academic trace" of the performance matrix : a mathematical synthesis of the h-index and the integrated impact indicator (I3) (2014)
0.02
0.015731899 = product of:
0.07865949 = sum of:
0.07865949 = sum of:
0.04244675 = weight(_text_:h in 1237) [ClassicSimilarity], result of:
0.04244675 = score(doc=1237,freq=18.0), product of:
0.10309036 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.041494254 = queryNorm
0.41174316 = fieldWeight in 1237, product of:
4.2426405 = tf(freq=18.0), with freq of:
18.0 = termFreq=18.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0390625 = fieldNorm(doc=1237)
0.036212735 = weight(_text_:l in 1237) [ClassicSimilarity], result of:
0.036212735 = score(doc=1237,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.2195706 = fieldWeight in 1237, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=1237)
0.2 = coord(1/5)
- Abstract
- The h-index provides us with 9 natural classes which can be written as a matrix of 3 vectors. The 3 vectors are: X = (X1, X2, X3) and indicates publication distribution in the h-core, the h-tail, and the uncited ones, respectively; Y = (Y1, Y2, Y3) denotes the citation distribution of the h-core, the h-tail and the so-called "excess" citations (above the h-threshold), respectively; and Z = (Z1, Z2, Z3) = (Y1-X1, Y2-X2, Y3-X3). The matrix V = (X,Y,Z)T constructs a measure of academic performance, in which the 9 numbers can all be provided with meanings in different dimensions. The "academic trace" tr(V) of this matrix follows naturally, and contributes a unique indicator for total academic achievements by summarizing and weighting the accumulation of publications and citations. This measure can also be used to combine the advantages of the h-index and the integrated impact indicator (I3) into a single number with a meaningful interpretation of the values. We illustrate the use of tr(V) for the cases of 2 journal sets, 2 universities, and ourselves as 2 individual authors.
- Object
- h-index
-
Leydesdorff, L.: Can networks of journal-journal citations be used as indicators of change in the social sciences? (2003)
0.02
0.015437335 = product of:
0.038593337 = sum of:
0.02172764 = product of:
0.04345528 = sum of:
0.04345528 = weight(_text_:l in 4460) [ClassicSimilarity], result of:
0.04345528 = score(doc=4460,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.26348472 = fieldWeight in 4460, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=4460)
0.5 = coord(1/2)
0.016865695 = product of:
0.03373139 = sum of:
0.03373139 = weight(_text_:22 in 4460) [ClassicSimilarity], result of:
0.03373139 = score(doc=4460,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = 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)
0.4 = coord(2/5)
- 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)
0.02
0.015437335 = product of:
0.038593337 = sum of:
0.02172764 = product of:
0.04345528 = sum of:
0.04345528 = weight(_text_:l in 2761) [ClassicSimilarity], result of:
0.04345528 = score(doc=2761,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.26348472 = fieldWeight in 2761, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=2761)
0.5 = coord(1/2)
0.016865695 = product of:
0.03373139 = sum of:
0.03373139 = weight(_text_:22 in 2761) [ClassicSimilarity], result of:
0.03373139 = score(doc=2761,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = 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)
0.4 = coord(2/5)
- Date
- 22. 3.2009 19:07:20
-
Hellsten, I.; Leydesdorff, L.: ¬The construction of interdisciplinarity : the development of the knowledge base and programmatic focus of the journal Climatic Change, 1977-2013 (2016)
0.01
0.012864447 = product of:
0.032161117 = sum of:
0.018106367 = product of:
0.036212735 = sum of:
0.036212735 = weight(_text_:l in 3089) [ClassicSimilarity], result of:
0.036212735 = score(doc=3089,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.2195706 = fieldWeight in 3089, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=3089)
0.5 = coord(1/2)
0.014054747 = product of:
0.028109495 = sum of:
0.028109495 = weight(_text_:22 in 3089) [ClassicSimilarity], result of:
0.028109495 = score(doc=3089,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = queryNorm
0.19345059 = fieldWeight in 3089, 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=3089)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Date
- 24. 8.2016 17:53:22
-
Leydesdorff, L.; Johnson, M.W.; Ivanova, I.: Toward a calculus of redundancy : signification, codification, and anticipation in cultural evolution (2018)
0.01
0.012864447 = product of:
0.032161117 = sum of:
0.018106367 = product of:
0.036212735 = sum of:
0.036212735 = weight(_text_:l in 4463) [ClassicSimilarity], result of:
0.036212735 = score(doc=4463,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.2195706 = fieldWeight in 4463, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0390625 = fieldNorm(doc=4463)
0.5 = coord(1/2)
0.014054747 = product of:
0.028109495 = sum of:
0.028109495 = weight(_text_:22 in 4463) [ClassicSimilarity], result of:
0.028109495 = score(doc=4463,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = queryNorm
0.19345059 = fieldWeight in 4463, 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=4463)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Date
- 29. 9.2018 11:22:09
-
Bornmann, L.; Leydesdorff, L.: Statistical tests and research assessments : a comment on Schneider (2012) (2013)
0.01
0.0122910105 = product of:
0.061455052 = sum of:
0.061455052 = product of:
0.122910105 = sum of:
0.122910105 = weight(_text_:l in 752) [ClassicSimilarity], result of:
0.122910105 = score(doc=752,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.74524736 = fieldWeight in 752, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.09375 = fieldNorm(doc=752)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Leydesdorff, L.; Wagner, C,; Bornmann, L.: Replicability and the public/private divide (2016)
0.01
0.0122910105 = product of:
0.061455052 = sum of:
0.061455052 = product of:
0.122910105 = sum of:
0.122910105 = weight(_text_:l in 3023) [ClassicSimilarity], result of:
0.122910105 = score(doc=3023,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.74524736 = fieldWeight in 3023, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.09375 = fieldNorm(doc=3023)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Leydesdorff, L.: How are new citation-based journal indicators adding to the bibliometric toolbox? (2009)
0.01
0.012086797 = product of:
0.06043398 = sum of:
0.06043398 = sum of:
0.0169787 = weight(_text_:h in 2929) [ClassicSimilarity], result of:
0.0169787 = score(doc=2929,freq=2.0), product of:
0.10309036 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.041494254 = queryNorm
0.16469726 = fieldWeight in 2929, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=2929)
0.04345528 = weight(_text_:l in 2929) [ClassicSimilarity], result of:
0.04345528 = score(doc=2929,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.26348472 = fieldWeight in 2929, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=2929)
0.2 = coord(1/5)
- Abstract
- The launching of Scopus and Google Scholar, and methodological developments in social-network analysis have made many more indicators for evaluating journals available than the traditional impact factor, cited half-life, and immediacy index of the ISI. In this study, these new indicators are compared with one another and with the older ones. Do the various indicators measure new dimensions of the citation networks, or are they highly correlated among themselves? Are they robust and relatively stable over time? Two main dimensions are distinguished - size and impact - which together shape influence. The h-index combines the two dimensions and can also be considered as an indicator of reach (like Indegree). PageRank is mainly an indicator of size, but has important interactions with centrality measures. The Scimago Journal Ranking (SJR) indicator provides an alternative to the journal impact factor, but the computation is less easy.
-
Leydesdorff, L.: Should co-occurrence data be normalized : a rejoinder (2007)
0.01
0.008691057 = product of:
0.04345528 = sum of:
0.04345528 = product of:
0.08691056 = sum of:
0.08691056 = weight(_text_:l in 627) [ClassicSimilarity], result of:
0.08691056 = score(doc=627,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.52696943 = fieldWeight in 627, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.09375 = fieldNorm(doc=627)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Leydesdorff, L.: Accounting for the uncertainty in the evaluation of percentile ranks (2012)
0.01
0.008691057 = product of:
0.04345528 = sum of:
0.04345528 = product of:
0.08691056 = sum of:
0.08691056 = weight(_text_:l in 447) [ClassicSimilarity], result of:
0.08691056 = score(doc=447,freq=2.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.52696943 = fieldWeight in 447, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.09375 = fieldNorm(doc=447)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Marx, W.; Bornmann, L.; Barth, A.; Leydesdorff, L.: Detecting the historical roots of research fields by reference publication year spectroscopy (RPYS) (2014)
0.01
0.0071697556 = product of:
0.035848778 = sum of:
0.035848778 = product of:
0.071697555 = sum of:
0.071697555 = weight(_text_:l in 1238) [ClassicSimilarity], result of:
0.071697555 = score(doc=1238,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.4347276 = fieldWeight in 1238, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.0546875 = fieldNorm(doc=1238)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Egghe, L.; Leydesdorff, L.: ¬The relation between Pearson's correlation coefficient r and Salton's cosine measure (2009)
0.01
0.0061455052 = product of:
0.030727526 = sum of:
0.030727526 = product of:
0.061455052 = sum of:
0.061455052 = weight(_text_:l in 2803) [ClassicSimilarity], result of:
0.061455052 = score(doc=2803,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.37262368 = fieldWeight in 2803, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=2803)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Leydesdorff, L.; Bornmann, L.; Mutz, R.; Opthof, T.: Turning the tables on citation analysis one more time : principles for comparing sets of documents (2011)
0.01
0.0061455052 = product of:
0.030727526 = sum of:
0.030727526 = product of:
0.061455052 = sum of:
0.061455052 = weight(_text_:l in 4485) [ClassicSimilarity], result of:
0.061455052 = score(doc=4485,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.37262368 = fieldWeight in 4485, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=4485)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Bornmann, L.; Leydesdorff, L.: Which cities produce more excellent papers than can be expected? : a new mapping approach, using Google Maps, based on statistical significance testing (2011)
0.01
0.0061455052 = product of:
0.030727526 = sum of:
0.030727526 = product of:
0.061455052 = sum of:
0.061455052 = weight(_text_:l in 4767) [ClassicSimilarity], result of:
0.061455052 = score(doc=4767,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.37262368 = fieldWeight in 4767, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=4767)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Leydesdorff, L.; Bornmann, L.: Mapping (USPTO) patent data using overlays to Google Maps (2012)
0.01
0.0061455052 = product of:
0.030727526 = sum of:
0.030727526 = product of:
0.061455052 = sum of:
0.061455052 = weight(_text_:l in 288) [ClassicSimilarity], result of:
0.061455052 = score(doc=288,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.37262368 = fieldWeight in 288, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=288)
0.5 = coord(1/2)
0.2 = coord(1/5)
-
Leydesdorff, L.; Radicchi, F.; Bornmann, L.; Castellano, C.; Nooy, W. de: Field-normalized impact factors (IFs) : a comparison of rescaling and fractionally counted IFs (2013)
0.01
0.0061455052 = product of:
0.030727526 = sum of:
0.030727526 = product of:
0.061455052 = sum of:
0.061455052 = weight(_text_:l in 1108) [ClassicSimilarity], result of:
0.061455052 = score(doc=1108,freq=4.0), product of:
0.16492525 = queryWeight, product of:
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.041494254 = queryNorm
0.37262368 = fieldWeight in 1108, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9746525 = idf(docFreq=2257, maxDocs=44218)
0.046875 = fieldNorm(doc=1108)
0.5 = coord(1/2)
0.2 = coord(1/5)
