-
Egghe, L.; Guns, R.; Rousseau, R.; Leuven, K.U.: Erratum (2012)
0.02
0.017725829 = product of:
0.035451658 = sum of:
0.035451658 = product of:
0.070903316 = sum of:
0.070903316 = weight(_text_:22 in 4992) [ClassicSimilarity], result of:
0.070903316 = score(doc=4992,freq=2.0), product of:
0.1832595 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0523325 = queryNorm
0.38690117 = fieldWeight in 4992, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=4992)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 14. 2.2012 12:53:22
-
Egghe, L.: Note on a possible decomposition of the h-Index (2013)
0.01
0.012773823 = product of:
0.025547646 = sum of:
0.025547646 = product of:
0.051095292 = sum of:
0.051095292 = weight(_text_:4 in 683) [ClassicSimilarity], result of:
0.051095292 = score(doc=683,freq=2.0), product of:
0.14201462 = queryWeight, product of:
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0523325 = queryNorm
0.35978895 = fieldWeight in 683, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.09375 = fieldNorm(doc=683)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 64(2013) no.4, S.871
-
Egghe, L.; Rousseau, R.: Averaging and globalising quotients of informetric and scientometric data (1996)
0.01
0.010635497 = product of:
0.021270994 = sum of:
0.021270994 = product of:
0.04254199 = sum of:
0.04254199 = weight(_text_:22 in 7659) [ClassicSimilarity], result of:
0.04254199 = score(doc=7659,freq=2.0), product of:
0.1832595 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0523325 = queryNorm
0.23214069 = fieldWeight in 7659, 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=7659)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of information science. 22(1996) no.3, S.165-170
-
Egghe, L.: ¬A universal method of information retrieval evaluation : the "missing" link M and the universal IR surface (2004)
0.01
0.010635497 = product of:
0.021270994 = sum of:
0.021270994 = product of:
0.04254199 = sum of:
0.04254199 = weight(_text_:22 in 2558) [ClassicSimilarity], result of:
0.04254199 = score(doc=2558,freq=2.0), product of:
0.1832595 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0523325 = queryNorm
0.23214069 = fieldWeight in 2558, 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=2558)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 14. 8.2004 19:17:22
-
Egghe, L.: Informetric explanation of some Leiden Ranking graphs (2014)
0.01
0.008515882 = product of:
0.017031765 = sum of:
0.017031765 = product of:
0.03406353 = sum of:
0.03406353 = weight(_text_:4 in 1236) [ClassicSimilarity], result of:
0.03406353 = score(doc=1236,freq=2.0), product of:
0.14201462 = queryWeight, product of:
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0523325 = queryNorm
0.23985931 = fieldWeight in 1236, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0625 = fieldNorm(doc=1236)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.4, S.737-741
-
Egghe, L.: Sampling and concentration values of incomplete bibliographies (2002)
0.01
0.007451397 = product of:
0.014902794 = sum of:
0.014902794 = product of:
0.029805588 = sum of:
0.029805588 = weight(_text_:4 in 450) [ClassicSimilarity], result of:
0.029805588 = score(doc=450,freq=2.0), product of:
0.14201462 = queryWeight, product of:
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0523325 = queryNorm
0.2098769 = fieldWeight in 450, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0546875 = fieldNorm(doc=450)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 53(2002) no.4, S.271-281
-
Egghe, L.: Vector retrieval, fuzzy retrieval and the universal fuzzy IR surface for IR evaluation (2004)
0.01
0.007451397 = product of:
0.014902794 = sum of:
0.014902794 = product of:
0.029805588 = sum of:
0.029805588 = weight(_text_:4 in 2531) [ClassicSimilarity], result of:
0.029805588 = score(doc=2531,freq=2.0), product of:
0.14201462 = queryWeight, product of:
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0523325 = queryNorm
0.2098769 = fieldWeight in 2531, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0546875 = fieldNorm(doc=2531)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 40(2004) no.4, S.603-618
-
Egghe, L.: ¬The power of power laws and an interpretation of Lotkaian informetric systems as self-similar fractals (2005)
0.01
0.0053224266 = product of:
0.010644853 = sum of:
0.010644853 = product of:
0.021289706 = sum of:
0.021289706 = weight(_text_:4 in 3466) [ClassicSimilarity], result of:
0.021289706 = score(doc=3466,freq=2.0), product of:
0.14201462 = queryWeight, product of:
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0523325 = queryNorm
0.14991207 = fieldWeight in 3466, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0390625 = fieldNorm(doc=3466)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 4. 6.2005 9:47:01
-
Rousseau, R.; Egghe, L.; Guns, R.: Becoming metric-wise : a bibliometric guide for researchers (2018)
0.01
0.0053224266 = product of:
0.010644853 = sum of:
0.010644853 = product of:
0.021289706 = sum of:
0.021289706 = weight(_text_:4 in 5226) [ClassicSimilarity], result of:
0.021289706 = score(doc=5226,freq=2.0), product of:
0.14201462 = queryWeight, product of:
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0523325 = queryNorm
0.14991207 = fieldWeight in 5226, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0390625 = fieldNorm(doc=5226)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Isbn
- 978-0-08-102474-4
-
Egghe, L.: Empirical and combinatorial study of country occurrences in multi-authored papers (2006)
0.00
0.004257941 = product of:
0.008515882 = sum of:
0.008515882 = product of:
0.017031765 = sum of:
0.017031765 = weight(_text_:4 in 81) [ClassicSimilarity], result of:
0.017031765 = score(doc=81,freq=2.0), product of:
0.14201462 = queryWeight, product of:
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.0523325 = queryNorm
0.11992966 = fieldWeight in 81, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7136984 = idf(docFreq=7967, maxDocs=44218)
0.03125 = fieldNorm(doc=81)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- Papers written by several authors can be classified according to the countries of the author affiliations. The empirical part of this paper consists of two datasets. One dataset consists of 1,035 papers retrieved via the search "pedagog*" in the years 2004 and 2005 (up to October) in Academic Search Elite which is a case where phi(m) = the number of papers with m =1, 2,3 ... authors is decreasing, hence most of the papers have a low number of authors. Here we find that #, m = the number of times a country occurs j times in a m-authored paper, j =1, ..., m-1 is decreasing and that # m, m is much higher than all the other #j, m values. The other dataset consists of 3,271 papers retrieved via the search "enzyme" in the year 2005 (up to October) in the same database which is a case of a non-decreasing phi(m): most papers have 3 or 4 authors and we even find many papers with a much higher number of authors. In this case we show again that # m, m is much higher than the other #j, m values but that #j, m is not decreasing anymore in j =1, ..., m-1, although #1, m is (apart from # m, m) the largest number amongst the #j,m. The combinatorial part gives a proof of the fact that #j,m decreases for j = 1, m-1, supposing that all cases are equally possible. This shows that the first dataset is more conform with this model than the second dataset. Explanations for these findings are given. From the data we also find the (we think: new) distribution of number of papers with n =1, 2,3,... countries (i.e. where there are n different countries involved amongst the m (a n) authors of a paper): a fast decreasing function e.g. as a power law with a very large Lotka exponent.
