Journal IssueDOI
Caveats for the use of citation indicators in research and journal evaluations
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TLDR
In this paper, the citation and publication practices of non-Institute of Scientific Information (ISI) journals are compared to those of specialist journals publishing in languages other than English.Abstract:
Aging of publications, percentage of self-citations, and impact vary from journal to journal within fields of science. The assumption that citation and publication practices are homogenous within specialties and fields of science is invalid. Furthermore, the delineation of fields and among specialties is fuzzy. Institutional units of analysis and persons may move between fields or span different specialties. The match between the citation index and institutional profiles varies among institutional units and nations. The respective matches may heavily affect the representation of the units. Non-Institute of Scientific Information (ISI) journals are increasingly cornered into “transdisciplinary” Mode-2 functions with the exception of specialist journals publishing in languages other than English. An “externally cited impact factor” can be calculated for these journals. The citation impact of non-ISI journals will be demonstrated using Science and Public Policy as the example. © 2008 Wiley Periodicals, Inc.read more
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h-Index: A review focused in its variants, computation and standardization for different scientific fields
TL;DR: This contribution presents a comprehensive review on the h-index and related indicators field, studying their main advantages, drawbacks and the main applications that can be found in the literature.
Mapping the backbone of science.
TL;DR: In this article, the authors presented a new map representing the structure of all of science, based on journal articles, including both the natural and social sciences, which provides a bird's eye view of today's scientific landscape.
Journal ArticleDOI
A review of theory and practice in scientometrics
John Mingers,Loet Leydesdorff +1 more
TL;DR: The historical development of scientometrics, sources of citation data, citation metrics and the “laws” of scientometry, normalisation, journal impact factors and other journal metrics, visualising and mapping science, evaluation and policy, and future developments are considered.
Journal IssueDOI
A global map of science based on the ISI subject categories
Loet Leydesdorff,Ismael Rafols +1 more
TL;DR: The nested maps of science are online at .
Journal ArticleDOI
How journal rankings can suppress interdisciplinary research: A comparison between Innovation Studies and Business & Management
TL;DR: In this article, the authors provide quantitative evidence on how the use of journal rankings can disadvantage interdisciplinary research in research evaluations using publication and citation data, and compare the degree of interdisciplinarity and the research performance of a number of Innovation Studies units with that of leading Business & Management Schools (BMS) in the UK.
References
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Journal ArticleDOI
The Strength of Weak Ties
TL;DR: In this paper, it is argued that the degree of overlap of two individuals' friendship networks varies directly with the strength of their tie to one another, and the impact of this principle on diffusion of influence and information, mobility opportunity, and community organization is explored.
Book
Introduction to Modern Information Retrieval
Gerard Salton,Michael J. McGill +1 more
TL;DR: Reading is a need and a hobby at once and this condition is the on that will make you feel that you must read.
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An index to quantify an individual's scientific research output
TL;DR: The index h, defined as the number of papers with citation number ≥h, is proposed as a useful index to characterize the scientific output of a researcher.
Journal ArticleDOI
A Set of Measures of Centrality Based on Betweenness
TL;DR: A family of new measures of point and graph centrality based on early intuitions of Bavelas (1948) is introduced in this paper, which define centrality in terms of the degree to which a point falls on the shortest path between others and there fore has a potential for control of communication.
Book
The New Production of Knowledge: The Dynamics of Science and Research in Contemporary Societies
TL;DR: The authors argued that the ways in which knowledge is produced are undergoing fundamental changes at the end of the twentieth century and that these changes mark a distinct shift into a new mode of knowledge production which is replacing or reforming established institutions, disciplines, practices and policies.