 | 2012 |
|---|
| 123 |       | Leo Egghe:
Averages of ratios compared to ratios of averages: Mathematical results.
J. Informetrics 6(2): 307-317 (2012) |
| 122 | | Leo Egghe:
Five years "Journal of Informetrics".
J. Informetrics 6(3): 422-426 (2012) |
| 121 | | Leo Egghe,
Raf Guns,
Ronald Rousseau,
K. U. Leuven:
Erratum.
JASIST 63(2): 429 (2012) |
| 120 | | Leo Egghe:
Study of rank- and size-frequency functions and their relations in a generalized Naranan framework.
Mathematical and Computer Modelling 55(7-8): 1898-1903 (2012) |
| 119 | | Leo Egghe,
Ronald Rousseau:
Theory and practice of the shifted Lotka function.
Scientometrics 91(1): 295-301 (2012) |
| 2011 |
|---|
| 118 | | Leo Egghe,
Ludo Waltman:
Relations between the shape of a size-frequency distribution and the shape of a rank-frequency distribution.
Inf. Process. Manage. 47(2): 238-245 (2011) |
| 117 | | Leo Egghe,
Lutz Bornmann,
Raf Guns:
A proposal for a First-Citation-Speed-Index.
J. Informetrics 5(1): 181-186 (2011) |
| 116 | | Leo Egghe:
Characterizations of the generalized Wu- and Kosmulski-indices in Lotkaian systems.
J. Informetrics 5(3): 439-445 (2011) |
| 115 | | Leo Egghe,
Raf Guns,
Ronald Rousseau:
Thoughts on uncitedness: Nobel laureates and Fields medalists as case studies.
JASIST 62(8): 1637-1644 (2011) |
| 114 | | Leo Egghe:
Mathematical relations of the h-index with other impact measures in a Lotkaian framework.
Mathematical and Computer Modelling 53(5-6): 610-616 (2011) |
| 113 | | Leo Egghe:
Mathematical derivation of the scale-dependence of the h-index and other h-type indices.
Scientometrics 87(2): 287-292 (2011) |
| 112 | | Leo Egghe:
The impact factor rank-order distribution revisited.
Scientometrics 87(3): 683-685 (2011) |
| 111 | | Leo Egghe:
The influence of random removal of sources and items on the h-index.
Scientometrics 88(2): 363-370 (2011) |
| 110 | | Leo Egghe:
Problems with "natural selection of academic papers".
Scientometrics 88(2): 663-667 (2011) |
| 109 | | Leo Egghe:
The single publication H-index and the indirect H-index of a researcher.
Scientometrics 88(3): 1003-1004 (2011) |
| 108 | | Leo Egghe:
The single publication H-index of papers in the Hirsch-core of a researcher and the indirect H-index.
Scientometrics 89(3): 727-739 (2011) |
| 2010 |
|---|
| 107 | | Leo Egghe:
The Hirsch index and related impact measures.
ARIST 44(1): 65-114 (2010) |
| 106 | | Leo Egghe:
Characteristic scores and scales based on h-type indices.
J. Informetrics 4(1): 14-22 (2010) |
| 105 | | Leo Egghe:
Conjugate partitions in informetrics: Lorenz curves, h-type indices, Ferrers graphs and Durfee squares in a discrete and continuous setting.
J. Informetrics 4(3): 320-330 (2010) |
| 104 | | Leo Egghe:
Good properties of similarity measures and their complementarity.
JASIST 61(10): 2151-2160 (2010) |
| 103 | | Leo Egghe:
A new short proof of Naranan's theorem, explaining Lotka's law and Zipf's law.
JASIST 61(12): 2581-2583 (2010) |
| 102 | | Leo Egghe:
Influence of adding or deleting items and sources on the h-index.
JASIST 61(2): 370-373 (2010) |
| 101 | | Leo Egghe:
On the relation between the association strength and other similarity measures.
JASIST 61(7): 1502-1504 (2010) |
| 100 | | Leo Egghe:
A model showing the increase in time of the average and median reference age and the decrease in time of the Price Index.
Scientometrics 82(2): 243-248 (2010) |
| 99 | | Leo Egghe:
Characteristic scores and scales in a Lotkaian framework.
Scientometrics 83(2): 455-462 (2010) |
| 98 | | Leo Egghe:
The distribution of the uncitedness factor and its functional relation with the impact factor.
Scientometrics 83(3): 689-695 (2010) |
| 97 | | Leo Egghe:
On the relation between Schubert's h-index of a single paper and its total number of received citations.
Scientometrics 84(1): 115-117 (2010) |
| 96 | | Leo Egghe:
Letter to the editor: On Randic's H-sequence.
Scientometrics 84(3): 795-797 (2010) |
| 2009 |
|---|
| 95 | | Leo Egghe,
Loet Leydesdorff:
The relation between Pearson's correlation coefficient r and Salton's cosine measure
CoRR abs/0911.1318: (2009) |
| 94 | | Leo Egghe:
Mathematical study of h-index sequences.
Inf. Process. Manage. 45(2): 288-297 (2009) |
| 93 | | Leo Egghe:
An econometric property of the g-index.
Inf. Process. Manage. 45(4): 484-489 (2009) |
| 92 | | Leo Egghe:
Mathematical derivation of the impact factor distribution.
J. Informetrics 3(4): 290-295 (2009) |
| 91 | | Leo Egghe:
A rationale for the Hirsch-index rank-order distribution and a comparison with the impact factor rank-order distribution.
JASIST 60(10): 2142-2144 (2009) |
| 90 | | Leo Egghe,
Liming Liang,
Ronald Rousseau:
A relation between h-index and impact factor in the power-law model.
JASIST 60(11): 2362-2365 (2009) |
| 89 | | Leo Egghe:
New relations between similarity measures for vectors based on vector norms.
JASIST 60(2): 232-239 (2009) |
| 88 | | Leo Egghe,
Loet Leydesdorff:
The relation between Pearson's correlation coefficient r and Salton's cosine measure.
JASIST 60(5): 1027-1036 (2009) |
| 87 | | Leo Egghe:
Time-dependent Lotkaian informetrics incorporating growth of sources and items.
Mathematical and Computer Modelling 49(1-2): 31-37 (2009) |
| 86 | | Leo Egghe:
The theorem of Fellman and Jakobsson: A new proof and dual theory.
Mathematical and Computer Modelling 50(11-12): 1595-1605 (2009) |
| 85 | | Leo Egghe:
Comparative study of h-index sequences.
Scientometrics 81(2): 311-320 (2009) |
| 84 | | Leo Egghe:
Performance and its relation with productivity in Lotkaian systems.
Scientometrics 81(2): 567-585 (2009) |
| 2008 |
|---|
| 83 | | Leo Egghe,
Ronald Rousseau:
An h-index weighted by citation impact.
Inf. Process. Manage. 44(2): 770-780 (2008) |
| 82 | | Leo Egghe:
The measures precision, recall, fallout and miss as a function of the number of retrieved documents and their mutual interrelations.
Inf. Process. Manage. 44(2): 856-876 (2008) |
| 81 | | Leo Egghe:
Examples of simple transformations of the h-index: Qualitative and quantitative conclusions and consequences for other indices.
J. Informetrics 2(2): 136-148 (2008) |
| 80 | | Leo Egghe:
The influence of merging on h-type indices.
J. Informetrics 2(3): 252-262 (2008) |
| 79 | | Leo Egghe:
Mathematical theory of the h- and g-index in case of fractional counting of authorship.
JASIST 59(10): 1608-1616 (2008) |
| 78 | | Leo Egghe,
I. K. Ravichandra Rao:
The influence of the broadness of a query of a topic on its h-index: Models and examples of the h-index of n-grams.
JASIST 59(10): 1688-1693 (2008) |
| 77 | | Leo Egghe:
A model for the size-frequency function of coauthor pairs.
JASIST 59(13): 2133-2137 (2008) |
| 76 | | Leo Egghe,
I. K. Ravichandra Rao:
Study of different h-indices for groups of authors.
JASIST 59(8): 1276-1281 (2008) |
| 75 | | Leo Egghe:
The influence of transformations on the h-index and the g-index.
JASIST 59(8): 1304-1312 (2008) |
| 74 | | Leo Egghe,
Liming Liang,
Ronald Rousseau:
Fundamental properties of rhythm sequences.
JASIST 59(9): 1469-1478 (2008) |
| 2007 |
|---|
| 73 | | Leo Egghe:
Existence theorem of the quadruple (P, R, F, M): Precision, recall, fallout and miss.
Inf. Process. Manage. 43(1): 265-272 (2007) |
| 72 | | Leo Egghe,
M. Goovaerts:
A note on measuring overlap.
J. Information Science 33(2): 189-195 (2007) |
| 71 | | Leo Egghe:
Welcome to the Journal of Informetrics.
J. Informetrics 1(1): 1 (2007) |
| 70 | | Leo Egghe:
General evolutionary theory of information production processes and applications to the evolution of networks.
J. Informetrics 1(2): 115-122 (2007) |
| 69 | | Leo Egghe,
G. Proot:
The estimation of the number of lost multi-copy documents: A new type of informetrics theory.
J. Informetrics 1(4): 257-268 (2007) |
| 68 | | Leo Egghe:
Dynamic h-index: The Hirsch index in function of time.
JASIST 58(3): 452-454 (2007) |
| 67 | | Leo Egghe:
Untangling Herdan's law and Heaps' law: Mathematical and informetric arguments.
JASIST 58(5): 702-709 (2007) |
| 66 | | Leo Egghe:
Uncertainty and information: Foundations of generalized information theory.
JASIST 58(5): 756-758 (2007) |
| 65 | | Leo Egghe,
Ronald Rousseau,
Sandra Rousseau:
TOP-curves.
JASIST 58(6): 777-785 (2007) |
| 64 | | Leo Egghe:
Item-time-dependent Lotkaian informetrics and applications to the calculation of the time-dependent h-index and g-index.
Mathematical and Computer Modelling 45(7-8): 864-872 (2007) |
| 63 | | Leo Egghe:
Probabilities for encountering genius, basic, ordinary or insignificant papers based on the cumulative nth citation distribution.
Scientometrics 70(1): 167-181 (2007) |
| 2006 |
|---|
| 62 | | Leo Egghe,
Ronald Rousseau:
Classical retrieval and overlap measures satisfy the requirements for rankings based on a Lorenz curve.
Inf. Process. Manage. 42(1): 106-120 (2006) |
| 61 | | Leo Egghe:
Expansion of the field of informetrics: The second special issue.
Inf. Process. Manage. 42(6): 1405-1407 (2006) |
| 60 | | Leo Egghe,
Ronald Rousseau:
Systems without low-productive sources.
Inf. Process. Manage. 42(6): 1428-1441 (2006) |
| 59 | | Leo Egghe:
Properties of the n-overlap vector and n-overlap similarity theory.
JASIST 57(9): 1165-1177 (2006) |
| 58 | | Leo Egghe,
Thierry Lafouge:
On the relation between the Maximum Entropy Principle and the Principle of Least Effort.
Mathematical and Computer Modelling 43(1-2): 1-8 (2006) |
| 57 | | Leo Egghe:
The dependence of the height of a Lorenz curve of a Zipf function on the size of the system.
Mathematical and Computer Modelling 43(7-8): 870-879 (2006) |
| 56 | | Leo Egghe,
Ronald Rousseau:
Lorenz theory of symmetric relative concentration and similarity, incorporating variable array length.
Mathematical and Computer Modelling 44(7-8): 628-639 (2006) |
| 55 | | Leo Egghe,
I. K. Ravichandra Rao,
Bibhuti Bhusan Sahoo:
Proof of a conjecture of Moed and Garfield on authoritative references and extension to non-authoritative references.
Scientometrics 66(3): 537-549 (2006) |
| 54 | | Leo Egghe,
Ronald Rousseau:
An informetric model for the Hirsch-index.
Scientometrics 69(1): 121-129 (2006) |
| 53 | | Leo Egghe:
Theory and practise of the g-index.
Scientometrics 69(1): 131-152 (2006) |
| 2005 |
|---|
| 52 | | Leo Egghe:
Expansion of the field of informetrics: Origins and consequences.
Inf. Process. Manage. 41(6): 1311-1316 (2005) |
| 51 | | Leo Egghe:
Continuous, weighted Lorenz theory and applications to the study of fractional relative impact factors.
Inf. Process. Manage. 41(6): 1330-1359 (2005) |
| 50 | | Leo Egghe:
Relations between the continuous and the discrete Lotka power function.
JASIST 56(7): 664-668 (2005) |
| 49 | | Leo Egghe:
The power of power laws and an interpretation of Lotkaian informetric systems as self-similar fractals.
JASIST 56(7): 669-675 (2005) |
| 48 | | Leo Egghe:
Zipfian and Lotkaian continuous concentration theory.
JASIST 56(9): 935-945 (2005) |
| 47 | | Leo Egghe,
Ronald Rousseau:
Comparing partial and truncated conglomerates from a concentration theoretic point of view.
Mathematical and Computer Modelling 41(2-3): 301-311 (2005) |
| 46 | | Leo Egghe:
The exact rank-frequency function and size-frequency function of N-grams and N-word phrases with applications.
Mathematical and Computer Modelling 41(6-7): 807-823 (2005) |
| 45 | | Leo Egghe:
A characterization of the law of Lotka in terms of sampling.
Scientometrics 62(3): 321-328 (2005) |
| 44 | | Leo Egghe:
An explanation of disproportionate growth using linear 3-dimensional informetrics and its relation with the fractal dimension.
Scientometrics 63(2): 277-296 (2005) |
| 43 | | Leo Egghe:
The share of items of highly productive sources as a function of the size of the system.
Scientometrics 65(3): 275-291 (2005) |
| 2004 |
|---|
| 42 | | Leo Egghe:
A universal method of information retrieval evaluation: the "missing" link M and the universal IR surface.
Inf. Process. Manage. 40(1): 21-30 (2004) |
| 41 | | Leo Egghe:
Vector retrieval, fuzzy retrieval and the universal fuzzy IR surface for IR evaluation.
Inf. Process. Manage. 40(4): 603-618 (2004) |
| 40 | | Leo Egghe,
Ronald Rousseau:
An approach to similarity measurement of absence-presence data: the case that common zeros matter.
J. Information Science 30(6): 509-519 (2004) |
| 39 | | Leo Egghe:
Solution of a problem of Buckland on the influence of obsolescence on scattering.
Scientometrics 59(2): 225-232 (2004) |
| 38 | | Leo Egghe,
Ronald Rousseau:
How to measure own-group preference? A novel approach to a sociometric problem.
Scientometrics 59(2): 233-252 (2004) |
| 37 | | Leo Egghe:
Positive reinforcement and 3-dimensional informetrics.
Scientometrics 60(3): 497-509 (2004) |
| 36 | | Leo Egghe:
The source-item coverage of the Lotka function.
Scientometrics 61(1): 103-115 (2004) |
| 2003 |
|---|
| 35 | | Leo Egghe,
Christine Michel:
Construction of weak and strong similarity measures for ordered sets of documents using fuzzy set techniques.
Inf. Process. Manage. 39(5): 771-807 (2003) |
| 34 | | Leo Egghe,
Ronald Rousseau:
a Measure for the Cohesion of Weighted Networks.
JASIST 54(3): 193-202 (2003) |
| 33 | | Leo Egghe:
Type/Token-Taken informetrics.
JASIST 54(7): 603-610 (2003) |
| 2002 |
|---|
| 32 | | Leo Egghe,
Christine Michel:
Strong similarity measures for ordered sets of documents in information retrieval.
Inf. Process. Manage. 38(6): 823-848 (2002) |
| 31 | | Leo Egghe,
I. K. Ravichandra Rao:
Duality revisited: Construction of fractional frequency distributions based on two dual Lotka laws.
JASIST 53(10): 789-801 (2002) |
| 30 | | Leo Egghe:
Sampling and concentration values of incomplete bibliographies.
JASIST 53(4): 271-281 (2002) |
| 29 | | Leo Egghe:
Book review: Mathematical foundations of information retrieval.
JASIST 53(5): 409-410 (2002) |
| 2001 |
|---|
| 28 | | Leo Egghe,
Ronald Rousseau:
Elementary Statistics for Library and Information Service Management.
Inf. Res. 7(1): (2001) |
| 27 | | Leo Egghe:
A noninformetric analysis of the relationship between citation age and journal productivity.
JASIST 52(5): 371-377 (2001) |
| 2000 |
|---|
| 26 | | Leo Egghe,
Ronald Rousseau:
Aging, obsolescence, impact, growth, and utilization: Definitions and relations.
JASIS 51(11): 1004-1017 (2000) |
| 25 | | Leo Egghe,
Ronald Rousseau:
Partial orders and measures for language preferences.
JASIS 51(12): 1123-1130 (2000) |
| 24 | | Leo Egghe,
Ronald Rousseau,
Guido Van Hooydonk:
Methods for accrediting publications to authors or countries: Consequences for evaluation studies.
JASIS 51(2): 145-157 (2000) |
| 23 | | Leo Egghe,
Ronald Rousseau:
The influence of publication delays on the observed aging distribution of scientific literature.
JASIS 51(2): 158-165 (2000) |
| 1999 |
|---|
| 22 | | Leo Egghe:
On the Law of Zipf-Mandelbrot for Multi-Wort Phrases.
JASIS 50(3): 233-241 (1999) |
| 1998 |
|---|
| 21 | | Leo Egghe,
Ronald Rousseau:
A Theoretical Study of Recall and Precision Using a Topological Approach to Information Retrieval.
Inf. Process. Manage. 34(2-3): 191-218 (1998) |
| 20 | | Leo Egghe,
Ronald Rousseau:
Topological Aspects of Information Retrieval.
JASIS 49(13): 1134-1160 (1998) |
| 1997 |
|---|
| 19 | | Leo Egghe:
Price Index and Its Relation to the Mean and Median Reference Age.
JASIS 48(6): 564-573 (1997) |
| 1996 |
|---|
| 18 | | Leo Egghe,
Ronald Rousseau:
Modelling Multi-Relational Data with Special Attention to the Average Number of Collaborators as a Variable in Informetric Distributions.
Inf. Process. Manage. 32(5): 563-571 (1996) |
| 17 | | Leo Egghe:
Source-Item Production Laws for the Case That Items Have Multiple Sources with Fractional Counting of Credits.
JASIS 47(10): 730-748 (1996) |
| 1995 |
|---|
| 16 | | Leo Egghe,
Ronald Rousseau:
Sensitivity Aspects of Inequality Measures.
Inf. Process. Manage. 31(4): 511-523 (1995) |
| 15 | | Leo Egghe,
Ronald Rousseau:
Generalized Success-Breeds-Success Principle Leading to Time-Dependent Informetric Distributions.
JASIS 46(6): 426-445 (1995) |
| 1994 |
|---|
| 14 | | Leo Egghe:
A Theory of Continuous Rates and Applications to the Theory of Growth and Obsolescence Rates.
Inf. Process. Manage. 30(2): 279-292 (1994) |
| 13 | | Leo Egghe:
Special Features of the Author-Publication Relationship and a New Explanation of Lotka's Law Based on Convolution Theory.
JASIS 45(6): 422-427 (1994) |
| 1993 |
|---|
| 12 | | Leo Egghe,
Ronald Rousseau:
Evolution of Information Production Processes and its Relation to the Lorenz Dominance Order.
Inf. Process. Manage. 29(4): 499-514 (1993) |
| 11 | | Leo Egghe:
Exact Probabilistic and Mathematical Proofs of the Relation Between the Mean µ and the Generalized 80/20-Rule.
JASIS 44(7): 369-375 (1993) |
| 1992 |
|---|
| 10 | | Leo Egghe:
Duality Aspects of the Gini Index for General Information Production Processes.
Inf. Process. Manage. 28(1): 35-44 (1992) |
| 9 | | Leo Egghe,
I. K. Ravichandra Rao:
Citation Age Data and the Obsolescence Function: Fits and Explanations.
Inf. Process. Manage. 28(2): 201-218 (1992) |
| 1991 |
|---|
| 8 | | Leo Egghe:
Theory of collaboration and collaborative measures.
Inf. Process. Manage. 27(2-3): 177-202 (1991) |
| 7 | | P. Bonckaert,
Leo Egghe:
Rational normalization of concentration measures.
JASIS 42(10): 715-722 (1991) |
| 6 | | Leo Egghe,
Ronald Rousseau:
Transfer principles and a classification of concentration measures.
JASIS 42(7): 479-489 (1991) |
| 1990 |
|---|
| 5 | | Leo Egghe:
A New Method for Information Retrieval, Based on the Theory of Relative Concentration.
SIGIR 1990: 469-493 |
| 4 | | Leo Egghe:
A note on different Bradford multipliers.
JASIS 41(3): 204-209 (1990) |
| 3 | | Leo Egghe:
Applications of the theory of Bradford's Law to the calculation of Leimkuhler's Law and to the completion of bibliographies.
JASIS 41(7): 469-492 (1990) |
| 1988 |
|---|
| 2 | | Leo Egghe:
Concentration places, concentration evolutions, and online information retrieval techniques for calculating them.
Inf. Process. Manage. 24(2): 109-121 (1988) |
| 1 | | Leo Egghe:
Mathematical relations between impact factors and average number of citations.
Inf. Process. Manage. 24(5): 567-576 (1988) |
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