Literatur zur Informationserschließung

Diese Datenbank enthält über 40.000 Dokumente zu Themen aus den Bereichen Formalerschließung – Inhaltserschließung – Information Retrieval.

© 2015 W. Gödert, TH Köln, Institut für Informationswissenschaft / Powered by litecat, BIS Oldenburg (Stand: 03. März 2020)

Suchergebnisse

• 1
  Hu, X. ; Rousseau, R.: Do citation chimeras exist? : The case of under-cited influential articles suffering delayed recognition.
  In: Journal of the Association for Information Science and Technology. 70(2019) no.5, S.499-508.
  
  Abstract: In this study we investigate if articles suffering delayed recognition can at the same time be under-cited influential articles. Theoretically these two types of articles are independent, in the sense that suffering delayed recognition depends on the number and time distribution of received citations, while being an under-cited influential article depends only partially on the number of received (first generation) citations, and much more on second and third citation generations. Among 49 articles suffering delayed recognition we found 13 that are also under-cited influential. Based on a thorough investigation of these special cases we found that so-called authoritative citers play an important role in uniting the two different document types into a special citation chimera. Our investigation contributes to the classification of publications.
  
  Inhalt: Vgl.: https://onlinelibrary.wiley.com/doi/10.1002/asi.24115.
  
  Themenfeld: Informetrie ; Citation indexing
  
  
• 2
  Yang, B. ; Rousseau, R. ; Wang, X. ; Huang, S.: How important is scientific software in bioinformatics research? : a comparative study between international and Chinese research communities.
  In: Journal of the Association for Information Science and Technology. 69(2018) no.9, S.1122-1133.
  
  Abstract: Software programs are among the most important tools in data-driven research. The popularity of well-known packages and corresponding large numbers of citations received bear testimony of the contribution of scientific software to academic research. Yet software is not generally recognized as an academic outcome. In this study, a usage-based model is proposed with varied indicators including citations, mentions, and downloads to measure the importance of scientific software. We performed an investigation on a sample of international bioinformatics research articles, and on a sample from the Chinese community. Our analysis shows that scientists in the field of bioinformatics rely heavily on scientific software: the major differences between the international community and the Chinese example being how scientific packages are mentioned in publications and the time gap between the introduction of a package and its use. Biologists publishing in international journals tend to apply the latest tools earlier; Chinese scientists publishing in Chinese tend to follow later. Further, journals with higher impact factors tend to publish articles applying the latest tools earlier.
  
  Inhalt: Vgl.: https://onlinelibrary.wiley.com/doi/10.1002/asi.24031.
  
  
  
• 3
  Rousseau, R. ; Egghe, L. ; Guns, R.: Becoming metric-wise : a bibliometric guide for researchers.
  Cambridge, MA : Elsevier, Chandos Publishing, 2018. xv, 385 S.
  ISBN 978-0-08-102474-4
  
  Abstract: Aims to inform researchers about metrics so that they become aware of the evaluative techniques being applied to their scientific output. Understanding these concepts will help them during their funding initiatives, and in hiring and tenure. The book not only describes what indicators do (or are designed to do, which is not always the same thing), but also gives precise mathematical formulae so that indicators can be properly understood and evaluated. Metrics have become a critical issue in science, with widespread international discussion taking place on the subject across scientific journals and organizations. As researchers should know the publication-citation context, the mathematical formulae of indicators being used by evaluating committees and their consequences, and how such indicators might be misused, this book provides an ideal tome on the topic. Provides researchers with a detailed understanding of bibliometric indicators and their applications. Empowers researchers looking to understand the indicators relevant to their work and careers. Presents an informed and rounded picture of bibliometrics, including the strengths and shortcomings of particular indicators. Supplies the mathematics behind bibliometric indicators so they can be properly understood. Written by authors with longstanding expertise who are considered global leaders in the field of bibliometrics
  
  Anmerkung: Rez. in: JASIST 70(2019) no.5, S.530-532 (I. Dorsch)
  
  Themenfeld: Informetrie
  
  LCSH: Bibliometrics ; Electronic books
  RSWK: Bibliometrie / Wissenschaft / Veröffentlichung
  BK: 02.13 (Wissenschaftspraxis)
  DDC: 020.21 / dc23
  GHBS: AZC (E)
  LCC: Z669.8
  RVK: AK 28100 ; AN 96300 ; AN 96400
  
• 4
  Shi, D. ; Rousseau, R. ; Yang, L. ; Li, J.: ¬A journal's impact factor is influenced by changes in publication delays of citing journals.
  In: Journal of the Association for Information Science and Technology. 68(2017) no.3, S.780-789.
  (Opinion paper)
  
  Abstract: In this article we describe another problem with journal impact factors by showing that one journal's impact factor is dependent on other journals' publication delays. The proposed theoretical model predicts a monotonically decreasing function of the impact factor as a function of publication delay, on condition that the citation curve of the journal is monotone increasing during the publication window used in the calculation of the journal impact factor; otherwise, this function has a reversed U shape. Our findings based on simulations are verified by examining three journals in the information sciences: the Journal of Informetrics, Scientometrics, and the Journal of the Association for Information Science and Technology.
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23706/full.
  
  Themenfeld: Informetrie
  
  
• 5
  Yan, S. ; Rousseau, R. ; Huang, S.: Contributions of chinese authors in PLOS ONE.
  In: Journal of the Association for Information Science and Technology. 67(2016) no.3, S.543-549.
  
  Abstract: Beginning with a short review of Public Library of Science (PLOS) journals, we focus on PLOS ONE and more specifically the contributions of Chinese authors to this journal. It is shown that their contribution is growing exponentially. In 2013 almost one fifth of all publications in this journal had at least one Chinese author. The average number of citations per publication is approximately the same for articles with a Chinese author and for articles without any Chinese coauthor. Using the odds-ratio, we could not find arguments that Chinese authors in PLOS ONE excessively cite other Chinese contributions.
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23400/abstract.
  
  Themenfeld: Informetrie
  Objekt: PLOS ONE
  
  
• 6
  Rousseau, R. ; Ding, J.: Does international collaboration yield a higher citation potential for US scientists publishing in highly visible interdisciplinary Journals?.
  In: Journal of the Association for Information Science and Technology. 67(2016) no.4, S.1009-1013.
  (Brief communication)
  
  Abstract: Generally, multicountry papers receive more citations than single-country ones. In this contribution, we examine if this rule also applies to American scientists publishing in highly visible interdisciplinary journals. Concretely, we compare the citations received by American scientists in Nature, Science, and the Proceedings of the National Academy of Sciences of the United States of America (PNAS). It is shown that, statistically, American scientists publishing in Nature and Science do not benefit from international collaboration. This statement also holds for communicated submissions, but not for direct and for contributed submissions, to PNAS.
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23565/abstract.
  
  Themenfeld: Informetrie
  Land/Ort: USA
  
  
• 7
  Zhang, L. ; Rousseau, R. ; Glänzel, W.: Diversity of references as an indicator of the interdisciplinarity of journals : taking similarity between subject fields into account.
  In: Journal of the Association for Information Science and Technology. 67(2016) no.5, S.1257-1265.
  
  Abstract: The objective of this article is to further the study of journal interdisciplinarity, or, more generally, knowledge integration at the level of individual articles. Interdisciplinarity is operationalized by the diversity of subject fields assigned to cited items in the article's reference list. Subject fields and subfields were obtained from the Leuven-Budapest (ECOOM) subject-classification scheme, while disciplinary diversity was measured taking variety, balance, and disparity into account. As diversity measure we use a Hill-type true diversity in the sense of Jost and Leinster-Cobbold. The analysis is conducted in 3 steps. In the first part, the properties of this measure are discussed, and, on the basis of these properties it is shown that the measure has the potential to serve as an indicator of interdisciplinarity. In the second part the applicability of this indicator is shown using selected journals from several research fields ranging from mathematics to social sciences. Finally, the often-heard argument, namely, that interdisciplinary research exhibits larger visibility and impact, is studied on the basis of these selected journals. Yet, as only 7 journals, representing a total of 15,757 articles, are studied, albeit chosen to cover a large range of interdisciplinarity, further research is still needed.
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23487/abstract.
  
  Themenfeld: Informetrie
  
  
• 8
  Rousseau, R.: Citation data as a proxy for quality or scientific influence are at best PAC (probably approximately correct).
  In: Journal of the Association for Information Science and Technology. 67(2016) no.12, S.3092-3094.
  (Brief communication)
  
  Abstract: In this communication I give a brief introduction to Valiant's probably approximately correct (PAC) theory, provide an extension that goes beyond Valiant's ideas (and beyond the domain for which this theory was meant), and come to an interpretation in terms of research evaluation. As such, PAC provides a framework for a theory of research evaluation.
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23525/full.
  
  
  
• 9
  Rousseau, S. ; Rousseau, R.: Metric-wiseness.
  In: Journal of the Association for Information Science and Technology. 66(2015) no.11, S.2389.
  (Letters to the editor)
  
  Themenfeld: Informetrie
  
  
• 10
  Rousseau, R.: Egghe's g-index is not a proper concentration measure.
  In: Journal of the Association for Information Science and Technology. 66(2015) no.7, S.1518-1519.
  (Letter to the editor)
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23276/abstract.
  
  Themenfeld: Informetrie
  Objekt: g-index
  
  
• 11
  Colebunders, R. ; Kenyon, C. ; Rousseau, R.: Increase in numbers and proportions of review articles in Tropical Medicine, Infectious Diseases, and oncology.
  In: Journal of the Association for Information Science and Technology. 65(2014) no.1, S.201-205.
  (Brief communication)
  
  Abstract: This article examines whether the absolute and relative numbers of reviews are increasing in the following three subfields of medical sciences: Tropical Medicine, Infectious Diseases, and Oncology. It further examines if reviews are cited more frequently than are "normal" articles. All research questions are answered affirmatively: The absolute as well as the relative numbers of reviews in these three subfields are indeed increasing. In addition, reviews in these fields are cited more frequently than are normal articles: about 70% more often than are "normal" articles in Infectious Diseases and Oncology and about 50% more often in Tropical Medicine. The article discusses possible reasons for this increase and concludes that medical journals should strive to achieve an optimal balance between review papers and original articles.
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23026/abstract.
  
  Themenfeld: Informetrie
  Wissenschaftsfach: Medizin
  
  
• 12
  Liu, Y. ; Rousseau, R.: Citation analysis and the development of science : a case study using articles by some Nobel prize winners.
  In: Journal of the Association for Information Science and Technology. 65(2014) no.2, S.281-289.
  
  Abstract: Using citation data of articles written by some Nobel Prize winners in physics, we show that concave, convex, and straight curves represent different types of interactions between old ideas and new insights. These cases illustrate different diffusion characteristics of academic knowledge, depending on the nature of the knowledge in the new publications. This work adds to the study of the development of science and links this development to citation analysis.
  
  Themenfeld: Informetrie
  
  
• 13
  Liu, Y. ; Rousseau, R.: Interestingness and the essence of citation : Thomas Reid and bibliographic description.
  In: Journal of documentation. 69(2013) no.4, S.580-589.
  
  Abstract: Purpose - This paper aims to provide a new insight into the reasons why authors cite. Design/methodology/approach The authors argue that, based on philosophical ideas about the essence of things, pure rational thinking about the role of citations leads to the answer. Findings - Citations originate from the interestingness of the investigated phenomenon. The essence of citation lies in the interaction between different ideas or perspectives on a phenomenon addressed in the citing as well as in the cited articles. Research limitations/implications - The findings only apply to ethical (not whimsical or self-serving) citations. As such citations reflect interactions of scientific ideas, they can reveal the evolution of science, revive the cognitive process of an investigated scientific phenomenon and reveal political and economic factors influencing the development of science. Originality/value - This article is the first to propose interestingness and the interaction of ideas as the basic reason for citing. This view on citations allows reverse engineering from citations to ideas and hence becomes useful for science policy.
  
  Themenfeld: Informetrie
  
  
• 14
  Egghe, L. ; Guns, R. ; Rousseau, R. ; Leuven, K.U.: Erratum.
  In: Journal of the American Society for Information Science and Technology. 63(2012) no.2, S.429.
  (Erratum)
  
  Anmerkung: This article corrects: Thoughts on uncitedness: Nobel laureates and Fields medalists as case studies in: JASIST 62(2011) no,8, S.1637-1644.
  
  
  
• 15
  Rousseau, R.: Basic properties of both percentile rank scores and the I3 indicator.
  In: Journal of the American Society for Information Science and Technology. 63(2012) no.2, S.416-420.
  (Brief communication)
  
  Abstract: We introduce the notions of congruous indicator of relative performance and congruous indicator of absolute performance. These notions are very similar to the notions of independence and consistency, yet slightly different. It is shown that percentile rank scores, as recently introduced by Leydesdorff, Bornmann, Mutz, and Opthof (2011), are strictly congruous indicators of relative performance, and similarly, that the Integrated Impact Indicator (I3), introduced by Leydesdorff and Bornmann (2011), is a strictly congruous indicator of absolute performance. Our analysis highlights the challenge of finding adequate axioms for ranking and for research evaluation.
  
  
  
• 16
  Egghe, L. ; Rousseau, R.: ¬The Hirsch index of a shifted Lotka function and its relation with the impact factor.
  In: Journal of the American Society for Information Science and Technology. 63(2012) no.5, S.1048-1053.
  
  Abstract: Based on earlier results about the shifted Lotka function, we prove an implicit functional relation between the Hirsch index (h-index) and the total number of sources (T). It is shown that the corresponding function, h(T), is concavely increasing. Next, we construct an implicit relation between the h-index and the impact factor IF (an average number of items per source). The corresponding function h(IF) is increasing and we show that if the parameter C in the numerator of the shifted Lotka function is high, then the relation between the h-index and the impact factor is almost linear.
  
  Themenfeld: Informetrie
  Objekt: h-index
  
  
• 17
  Rousseau, S. ; Rousseau, R.: Interactions between journal attributes and authors' willingness to wait for editorial decisions.
  In: Journal of the American Society for Information Science and Technology. 63(2012) no.6, S.1213-1225.
  
  Abstract: In this article, we report on a discrete choice experiment to determine the willingness-to-wait (WTW) in the context of journal submissions. Respondents to our survey are mostly active in the information sciences, including librarians. Besides WTW, other attributes included in the study are the quality of the editorial board, the quality of referee reports, the probability of being accepted, the ISI impact factor, and the standing of the journal among peers. Interaction effects originating from scientists' personal characteristics (age, region of origin, motivations to publish) with the WTW are highlighted. A difference was made between submitting a high quality article and a standard article. Among the interesting results obtained from our analysis we mention that for a high-quality article, researchers are willing to wait some 18 months longer for a journal with an ISI impact factor above 2 than for a journal without an impact factor, keeping all other factors constant. For a standard article, the WTW decreases to some 8 months. Gender had no effect on our conclusions.
  
  Themenfeld: Informetrie
  
  
• 18
  Liu, Y. ; Rafols, I. ; Rousseau, R.: ¬A framework for knowledge integration and diffusion.
  In: Journal of documentation. 68(2012) no.1, S.31-44.
  
  Abstract: Purpose - This paper aims to introduce a general framework for the analysis of knowledge integration and diffusion using bibliometric data. Design/methodology/approach - The authors propose that in order to characterise knowledge integration and diffusion of a given issue (the source, for example articles on a topic or by an organisation, etc.), one has to choose a set of elements from the source (the intermediary set, for example references, keywords, etc.). This set can then be classified into categories (cats), thus making it possible to investigate its diversity. The set can also be characterised according to the coherence of a network associated to it. Findings - This framework allows a methodology to be developed to assess knowledge integration and diffusion. Such methodologies can be useful for a number of science policy issues, including the assessment of interdisciplinarity in research and dynamics of research networks. Originality/value - The main contribution of this article is to provide a simple and easy to use generalisation of an existing approach to study interdisciplinarity, bringing knowledge integration and knowledge diffusion together in one framework.
  
  
  
• 19
  Hu, X. ; Rousseau, R. ; Chen, J.: ¬A new approach for measuring the value of patents based on structural indicators for ego patent citation networks.
  In: Journal of the American Society for Information Science and Technology. 63(2012) no.9, S.1834-1842.
  
  Abstract: Technology sectors differ in terms of technological complexity. When studying technology and innovation through patent analysis it is well known that similar amounts of technological knowledge can produce different numbers of patented innovation as output. A new multilayered approach to measure the technological value of patents based on ego patent citation networks (PCNs) is developed in this study. The results show that the structural indicators for the ego PCN developed in this contribution can characterize groups of patents and, hence, in an indirect way, the health of companies.
  
  Themenfeld: Informetrie
  Wissenschaftsfach: Patentinformation
  
  
• 20
  Liu, Y. ; Rousseau, R.: Towards a representation of diffusion and interaction of scientific ideas : the case of fiber optics communication.
  In: Information processing and management. 48(2012) no.4, S.791-801.
  
  Abstract: The research question studied in this contribution is how to find an adequate representation to describe the diffusion of scientific ideas over time. We claim that citation data, at least of articles that act as concept symbols, can be considered to contain this information. As a case study we show how the founding article by Nobel Prize winner Kao illustrates the evolution of the field of fiber optics communication. We use a continuous description of discrete citation data in order to accentuate turning points and breakthroughs in the history of this field. Applying the principles explained in this contribution informetrics may reveal the trajectories along which science is developing.
  
  Inhalt: Vgl.: doi:10.1016/j.ipm.2011.12.001.
  
  Themenfeld: Informetrie
  Wissenschaftsfach: Physik