Leo Egghe

Scientometrics, 2014

Comments on "year-based h-type indicators".

[BibT_eX]

[DOI]

Scientometrics, 2014

Impact coverage of the success-index.

[BibT_eX]

[DOI]

J. Informetrics, 2014

A good normalized impact and concentration measure.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2014

Informetric explanation of some Leiden Ranking graphs.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2014

Measuring co-authors' contribution to an article's visibility.

[BibT_eX]

[DOI]

,

,

Scientometrics, 2013

On the correction of the h-index for career length.

[BibT_eX]

[DOI]

Scientometrics, 2013

Theoretical justification of the central area indices and the central interval indices.

[BibT_eX]

[DOI]

Scientometrics, 2013

A rationale for the relation between the citer h-index and the classical h-index of a researcher.

[BibT_eX]

[DOI]

Scientometrics, 2013

A mathematical characterization of the Hirsch-index by means of minimal increments.

[BibT_eX]

[DOI]

J. Informetrics, 2013

The functional relation between the impact factor and the uncitedness factor revisited.

[BibT_eX]

[DOI]

J. Informetrics, 2013

Fallout and miss in journal peer review.

[BibT_eX]

[DOI]

,

Lutz Bornmann

J. Documentation, 2013

Note on a possible decomposition of the h-Index.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2013

Theory of the topical coverage of multiple databases.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2013

Corrigendum to "Study of the rank- and size-frequency functions in the case of power law growth of sources and items and proof of Heaps' law" [Inform. Process. Manage 49 (2013) 99-107].

[BibT_eX]

[DOI]

Inf. Process. Manag., 2013

Comparative study of four impact measures and qualitative conclusions.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2013

Study of the rank- and size-frequency functions in the case of power law growth of sources and items and proof of Heaps' law.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2013

Theory and practice of the shifted Lotka function.

[BibT_eX]

[DOI]

,

Scientometrics, 2012

Study of rank- and size-frequency functions and their relations in a generalized Naranan framework.

[BibT_eX]

[DOI]

Math. Comput. Model., 2012

Five years "Journal of Informetrics".

[BibT_eX]

[DOI]

J. Informetrics, 2012

Averages of ratios compared to ratios of averages: Mathematical results.

[BibT_eX]

[DOI]

J. Informetrics, 2012

Journal peer review as an information retrieval process.

[BibT_eX]

[DOI]

Lutz Bornmann

,

J. Documentation, 2012

The Hirsch index of a shifted Lotka function and its relation with the impact factor.

[BibT_eX]

[DOI]

,

J. Assoc. Inf. Sci. Technol., 2012

Erratum.

[BibT_eX]

[DOI]

,

,

J. Assoc. Inf. Sci. Technol., 2012

Applications of the generalized law of Benford to informetric data.

[BibT_eX]

[DOI]

,

J. Assoc. Inf. Sci. Technol., 2012

Remarks on the paper by A. De Visscher, "what does the g-index really measure?".

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2012

The single publication H-index of papers in the Hirsch-core of a researcher and the indirect H-index.

[BibT_eX]

[DOI]

Scientometrics, 2011

The single publication H-index and the indirect H-index of a researcher.

[BibT_eX]

[DOI]

Scientometrics, 2011

Problems with "natural selection of academic papers".

[BibT_eX]

[DOI]

Scientometrics, 2011

The influence of random removal of sources and items on the h-index.

[BibT_eX]

[DOI]

Scientometrics, 2011

The impact factor rank-order distribution revisited.

[BibT_eX]

[DOI]

Scientometrics, 2011

Mathematical derivation of the scale-dependence of the h-index and other h-type indices.

[BibT_eX]

[DOI]

Scientometrics, 2011

Mathematical relations of the h-index with other impact measures in a Lotkaian framework.

[BibT_eX]

[DOI]

Math. Comput. Model., 2011

A proposal for a First-Citation-Speed-Index.

[BibT_eX]

[DOI]

,

Lutz Bornmann

,

J. Informetrics, 2011

Characterizations of the generalized Wu- and Kosmulski-indices in Lotkaian systems.

[BibT_eX]

[DOI]

J. Informetrics, 2011

Thoughts on uncitedness: Nobel laureates and Fields medalists as case studies.

[BibT_eX]

[DOI]

,

,

J. Assoc. Inf. Sci. Technol., 2011

Relations between the shape of a size-frequency distribution and the shape of a rank-frequency distribution.

[BibT_eX]

[DOI]

,

Ludo Waltman

Inf. Process. Manag., 2011

Letter to the editor: On Randic's H-sequence.

[BibT_eX]

[DOI]

Scientometrics, 2010

On the relation between Schubert's h-index of a single paper and its total number of received citations.

[BibT_eX]

[DOI]

Scientometrics, 2010

A model showing the increase in time of the average and median reference age and the decrease in time of the Price Index.

[BibT_eX]

[DOI]

Scientometrics, 2010

The distribution of the uncitedness factor and its functional relation with the impact factor.

[BibT_eX]

[DOI]

Scientometrics, 2010

Characteristic scores and scales in a Lotkaian framework.

[BibT_eX]

[DOI]

Scientometrics, 2010

Conjugate partitions in informetrics: Lorenz curves, h-type indices, Ferrers graphs and Durfee squares in a discrete and continuous setting.

[BibT_eX]

[DOI]

J. Informetrics, 2010

Characteristic scores and scales based on h-type indices.

[BibT_eX]

[DOI]

J. Informetrics, 2010

A new short proof of Naranan's theorem, explaining Lotka's law and Zipf's law.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2010

Good properties of similarity measures and their complementarity.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2010

On the relation between the association strength and other similarity measures.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2010

Influence of adding or deleting items and sources on the h-index.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2010

The Hirsch index and related impact measures.

[BibT_eX]

[DOI]

Annu. Rev. Inf. Sci. Technol., 2010

Performance and its relation with productivity in Lotkaian systems.

[BibT_eX]

[DOI]

Scientometrics, 2009

Comparative study of h-index sequences.

[BibT_eX]

[DOI]

Scientometrics, 2009

Time-dependent Lotkaian informetrics incorporating growth of sources and items.

[BibT_eX]

[DOI]

Math. Comput. Model., 2009

The theorem of Fellman and Jakobsson: A new proof and dual theory.

[BibT_eX]

[DOI]

Math. Comput. Model., 2009

Mathematical derivation of the impact factor distribution.

[BibT_eX]

[DOI]

J. Informetrics, 2009

A relation between h-index and impact factor in the power-law model.

[BibT_eX]

[DOI]

,

Liming Liang

,

J. Assoc. Inf. Sci. Technol., 2009

The relation between Pearson's correlation coefficient r and Salton's cosine measure.

[BibT_eX]

[DOI]

,

Loet Leydesdorff

J. Assoc. Inf. Sci. Technol., 2009

A rationale for the Hirsch-index rank-order distribution and a comparison with the impact factor rank-order distribution.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2009

New relations between similarity measures for vectors based on vector norms.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2009

An econometric property of the g-index.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2009

Mathematical study of h-index sequences.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2009

The relation between Pearson's correlation coefficient r and Salton's cosine measure

[BibT_eX]

[DOI]

,

Loet Leydesdorff

CoRR, 2009

Modelling successive h-indices.

[BibT_eX]

[DOI]

Scientometrics, 2008

The mathematical relation between the impact factor and the uncitedness factor.

[BibT_eX]

[DOI]

Scientometrics, 2008

The influence of merging on h-type indices.

[BibT_eX]

[DOI]

J. Informetrics, 2008

Examples of simple transformations of the h-index: Qualitative and quantitative conclusions and consequences for other indices.

[BibT_eX]

[DOI]

J. Informetrics, 2008

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.

[BibT_eX]

[DOI]

,

J. Assoc. Inf. Sci. Technol., 2008

Study of different h-indices for groups of authors.

[BibT_eX]

[DOI]

,

J. Assoc. Inf. Sci. Technol., 2008

Fundamental properties of rhythm sequences.

[BibT_eX]

[DOI]

,

Liming Liang

,

J. Assoc. Inf. Sci. Technol., 2008

A model for the size-frequency function of coauthor pairs.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2008

Mathematical theory of the h- and g-index in case of fractional counting of authorship.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2008

The influence of transformations on the h-index and the g-index.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2008

An h-index weighted by citation impact.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 2008

The measures precision, recall, fallout and miss as a function of the number of retrieved documents and their mutual interrelations.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2008

Probabilities for encountering genius, basic, ordinary or insignificant papers based on the cumulative nth citation distribution.

[BibT_eX]

[DOI]

Scientometrics, 2007

Item-time-dependent Lotkaian informetrics and applications to the calculation of the time-dependent h-index and g-index.

[BibT_eX]

[DOI]

Math. Comput. Model., 2007

The estimation of the number of lost multi-copy documents: A new type of informetrics theory.

[BibT_eX]

[DOI]

,

G. Proot

J. Informetrics, 2007

General evolutionary theory of information production processes and applications to the evolution of networks.

[BibT_eX]

[DOI]

J. Informetrics, 2007

Welcome to the Journal of Informetrics.

[BibT_eX]

[DOI]

J. Informetrics, 2007

A note on measuring overlap.

[BibT_eX]

[DOI]

,

Marc Goovaerts

J. Inf. Sci., 2007

TOP-curves.

[BibT_eX]

[DOI]

,

,

Sandra Rousseau

J. Assoc. Inf. Sci. Technol., 2007

Uncertainty and information: Foundations of generalized information theory.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2007

Untangling Herdan's law and Heaps' law: Mathematical and informetric arguments.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2007

Dynamic h-index: The Hirsch index in function of time.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2007

Existence theorem of the quadruple (P, R, F, M): Precision, recall, fallout and miss.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2007

Proof of a conjecture of Moed and Garfield on authoritative references and extension to non-authoritative references.

[BibT_eX]

[DOI]

,

,

Bibhuti Bhusan Sahoo

Scientometrics, 2006

An informetric model for the Hirsch-index.

[BibT_eX]

[DOI]

,

Scientometrics, 2006

Theory and practise of the g-index.

[BibT_eX]

[DOI]

Scientometrics, 2006

Lorenz theory of symmetric relative concentration and similarity, incorporating variable array length.

[BibT_eX]

[DOI]

,

Math. Comput. Model., 2006

On the relation between the Maximum Entropy Principle and the Principle of Least Effort.

[BibT_eX]

[DOI]

,

Thierry Lafouge

Math. Comput. Model., 2006

The dependence of the height of a Lorenz curve of a Zipf function on the size of the system.

[BibT_eX]

[DOI]

Math. Comput. Model., 2006

Properties of the n-overlap vector and n-overlap similarity theory.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2006

Systems without low-productive sources.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 2006

Classical retrieval and overlap measures satisfy the requirements for rankings based on a Lorenz curve.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 2006

Expansion of the field of informetrics: The second special issue.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2006

The share of items of highly productive sources as a function of the size of the system.

[BibT_eX]

[DOI]

Scientometrics, 2005

An explanation of disproportionate growth using linear 3-dimensional informetrics and its relation with the fractal dimension.

[BibT_eX]

[DOI]

Scientometrics, 2005

A characterization of the law of Lotka in terms of sampling.

[BibT_eX]

[DOI]

Scientometrics, 2005

Comparing partial and truncated conglomerates from a concentration theoretic point of view.

[BibT_eX]

[DOI]

,

Math. Comput. Model., 2005

The exact rank-frequency function and size-frequency function of N-grams and N-word phrases with applications.

[BibT_eX]

[DOI]

Math. Comput. Model., 2005

Zipfian and Lotkaian continuous concentration theory.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2005

The power of power laws and an interpretation of Lotkaian informetric systems as self-similar fractals.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2005

Relations between the continuous and the discrete Lotka power function.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2005

Continuous, weighted Lorenz theory and applications to the study of fractional relative impact factors.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2005

Expansion of the field of informetrics: Origins and consequences.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2005

How to measure own-group preference? A novel approach to a sociometric problem.

[BibT_eX]

[DOI]

,

Scientometrics, 2004

Solution of a problem of Buckland on the influence of obsolescence on scattering.

[BibT_eX]

[DOI]

Scientometrics, 2004

Positive reinforcement and 3-dimensional informetrics.

[BibT_eX]

[DOI]

Scientometrics, 2004

The source-item coverage of the Lotka function.

[BibT_eX]

[DOI]

Scientometrics, 2004

An approach to similarity measurement of absence-presence data: the case that common zeros matter.

[BibT_eX]

[DOI]

,

J. Inf. Sci., 2004

Vector retrieval, fuzzy retrieval and the universal fuzzy IR surface for IR evaluation.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2004

A universal method of information retrieval evaluation: the "missing" link M and the universal IR surface.

[BibT_eX]

[DOI]

Inf. Process. Manag., 2004

a Measure for the Cohesion of Weighted Networks.

[BibT_eX]

[DOI]

,

J. Assoc. Inf. Sci. Technol., 2003

Type/Token-Taken informetrics.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2003

Construction of weak and strong similarity measures for ordered sets of documents using fuzzy set techniques.

[BibT_eX]

[DOI]

,

Christine Michel

Inf. Process. Manag., 2003

Theory and experimentation on the most-recent-reference distribution.

[BibT_eX]

[DOI]

,

Scientometrics, 2002

A proposal to define a core of a scientific subject: A definition using concentration and fuzzy sets.

[BibT_eX]

[DOI]

,

Scientometrics, 2002

Co-citation, bibliographic coupling and a characterization of lattice citation networks.

[BibT_eX]

[DOI]

,

Scientometrics, 2002

Duality revisited: Construction of fractional frequency distributions based on two dual Lotka laws.

[BibT_eX]

[DOI]

,

J. Assoc. Inf. Sci. Technol., 2002

Book review: Mathematical foundations of information retrieval.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2002

Sampling and concentration values of incomplete bibliographies.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2002

Strong similarity measures for ordered sets of documents in information retrieval.

[BibT_eX]

[DOI]

,

Christine Michel

Inf. Process. Manag., 2002

Symmetric and Asymmetric Theory of Relative Concentration and Applications.

[BibT_eX]

[DOI]

,

Scientometrics, 2001

Comments on the "Letter to the Editor" by Burrell.

[BibT_eX]

[DOI]

Scientometrics, 2001

A heuristic study of the first-citation distribution.

[BibT_eX]

[DOI]

Scientometrics, 2001

A noninformetric analysis of the relationship between citation age and journal productivity.

[BibT_eX]

[DOI]

J. Assoc. Inf. Sci. Technol., 2001

The Distribution of N-Grams.

[BibT_eX]

[DOI]

Scientometrics, 2000

New informetric aspects of the Internet: some reflections - many problems.

[BibT_eX]

[DOI]

J. Inf. Sci., 2000

Methods for accrediting publications to authors or countries: Consequences for evaluation studies.

[BibT_eX]

[DOI]

,

,

Guido Van Hooydonk

J. Am. Soc. Inf. Sci., 2000

Partial orders and measures for language preferences.

[BibT_eX]

[DOI]

,

J. Am. Soc. Inf. Sci., 2000

Aging, obsolescence, impact, growth, and utilization: Definitions and relations.

[BibT_eX]

[DOI]

,

J. Am. Soc. Inf. Sci., 2000

The influence of publication delays on the observed aging distribution of scientific literature.

[BibT_eX]

[DOI]

,

J. Am. Soc. Inf. Sci., 2000

The "own-language preference": Measures of relative language self-citation.

[BibT_eX]

[DOI]

,

,

Moshe Yitzhaki

Scientometrics, 1999

An explanation of the relation between the fraction of multinational publications and the fractional score of a country.

[BibT_eX]

[DOI]

Scientometrics, 1999

A model for measuring the congestion in library shelves.

[BibT_eX]

[DOI]

Scientometrics, 1999

On the Law of Zipf-Mandelbrot for Multi-Wort Phrases.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1999

Mathematical theories of citation.

[BibT_eX]

[DOI]

Scientometrics, 1998

Topological Aspects of Information Retrieval.

[BibT_eX]

[DOI]

,

J. Am. Soc. Inf. Sci., 1998

A Theoretical Study of Recall and Precision Using a Topological Approach to Information Retrieval.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 1998

Fractal and informetric aspects of hypertext systems.

[BibT_eX]

[DOI]

Scientometrics, 1997

Duality in information retrieval and the hypergeometric distribution.

[BibT_eX]

[DOI]

,

J. Documentation, 1997

Price Index and Its Relation to the Mean and Median Reference Age.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1997

Average and global impact of a set of journals.

[BibT_eX]

[DOI]

,

Scientometrics, 1996

Averaging and globalising quotients of informetric and scientometric data.

[BibT_eX]

[DOI]

,

J. Inf. Sci., 1996

Source-Item Production Laws for the Case That Items Have Multiple Sources with Fractional Counting of Credits.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1996

Modelling Multi-Relational Data with Special Attention to the Average Number of Collaborators as a Variable in Informetric Distributions.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 1996

On the influence of production on utilization functions: Obsolescence or increased use?

[BibT_eX]

[DOI]

,

,

Scientometrics, 1995

Generalized Success-Breeds-Success Principle Leading to Time-Dependent Informetric Distributions.

[BibT_eX]

[DOI]

,

J. Am. Soc. Inf. Sci., 1995

Sensitivity Aspects of Inequality Measures.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 1995

Little science, big science... and beyond.

[BibT_eX]

[DOI]

Scientometrics, 1994

Bridging the gaps: Conceptual discussions on informetrics.

[BibT_eX]

[DOI]

Scientometrics, 1994

Special Features of the Author-Publication Relationship and a New Explanation of Lotka's Law Based on Convolution Theory.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1994

A Theory of Continuous Rates and Applications to the Theory of Growth and Obsolescence Rates.

[BibT_eX]

[DOI]

Inf. Process. Manag., 1994

On the influence of growth on obsolescence.

[BibT_eX]

[DOI]

Scientometrics, 1993

Exact Probabilistic and Mathematical Proofs of the Relation Between the Mean µ and the Generalized 80/20-Rule.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1993

Evolution of Information Production Processes and its Relation to the Lorenz Dominance Order.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 1993

Classification of growth models based on growth rates and its applications.

[BibT_eX]

[DOI]

,

Scientometrics, 1992

Generalized transfer principles in econometrics and informetrics.

[BibT_eX]

[DOI]

Scientometrics, 1992

Citation Age Data and the Obsolescence Function: Fits and Explanations.

[BibT_eX]

[DOI]

,

Inf. Process. Manag., 1992

Duality Aspects of the Gini Index for General Information Production Processes.

[BibT_eX]

[DOI]

Inf. Process. Manag., 1992

The exact place of Zipf's and Pareto's law amongst the classical informetric laws.

[BibT_eX]

[DOI]

Scientometrics, 1991

Transfer principles and a classification of concentration measures.

[BibT_eX]

[DOI]

,

J. Am. Soc. Inf. Sci., 1991

Rational normalization of concentration measures.

[BibT_eX]

[DOI]

P. Bonckaert

,

J. Am. Soc. Inf. Sci., 1991

Theory of collaboration and collaborative measures.

[BibT_eX]

[DOI]

Inf. Process. Manag., 1991

The duality of informetric systems with applications to the empirical laws.

[BibT_eX]

[DOI]

J. Inf. Sci., 1990

A note on different Bradford multipliers.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1990

Applications of the theory of Bradford's Law to the calculation of Leimkuhler's Law and to the completion of bibliographies.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1990

Reflections on a deflection: A note on different causes of the Groos droop.

[BibT_eX]

[DOI]

,

Scientometrics, 1988

On the Classification of the Classical bibliometric Laws.

[BibT_eX]

[DOI]

J. Documentation, 1988

The relative concentration of a journal with respect to a subject and the use of online services in calculating it.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1988

Mathematical relations between impact factors and average number of citations.

[BibT_eX]

[DOI]

Inf. Process. Manag., 1988

Concentration places, concentration evolutions, and online information retrieval techniques for calculating them.

[BibT_eX]

[DOI]

Inf. Process. Manag., 1988

An exact calculation of Price's law for the law of Lotka.

[BibT_eX]

[DOI]

Scientometrics, 1987

Pratt's measure for some bibliometric distributions and its relation with the 80/20 rule.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1987

On the 80/20 rule.

[BibT_eX]

[DOI]

Scientometrics, 1986

A characterization of distributions which satisfy Price's Law and consequences for the Laws of Zipf and Mandelbrot.

[BibT_eX]

[DOI]

,

J. Inf. Sci., 1986

The dual of Bradford's law.

[BibT_eX]

[DOI]

J. Am. Soc. Inf. Sci., 1986

Consequences of Lotka's Law for the Law of Bradford.

[BibT_eX]

[DOI]