排序方式: 共有35条查询结果,搜索用时 31 毫秒
31.
Nicolás Robinson-Garcia Cassidy R. Sugimoto Dakota Murray Alfredo Yegros-Yegros Vincent Larivière Rodrigo Costas 《Journal of Informetrics》2019,13(1):50-63
This paper presents a methodological framework for developing scientific mobility indicators based on bibliometric data. We identify nearly 16 million individual authors from publications covered in the Web of Science for the 2008–2015 period. Based on the information provided across individuals’ publication records, we propose a general classification for analyzing scientific mobility using institutional affiliation changes. We distinguish between migrants--authors who have ruptures with their country of origin--and travelers--authors who gain additional affiliations while maintaining affiliation with their country of origin. We find that 3.7% of researchers who have published at least one paper over the period are mobile. Travelers represent 72.7% of all mobile scholars, but migrants have higher scientific impact. We apply this classification at the country level, expanding the classification to incorporate the directionality of scientists’ mobility (i.e., incoming and outgoing). We provide a brief analysis to highlight the utility of the proposed taxonomy to study scholarly mobility and discuss the implications for science policy. 相似文献
32.
33.
Cassidy R. Sugimoto Terrell G. Russell Lokman I. Meho Gary Marchionini 《Library & information science research》2008,30(4):273-281
This article provides the first comparison of citation counts and mentoring impact (MPACT) indicators — indicators that serve to quantify the process of doctoral mentoring. Using a dataset of 120 library and information science (LIS) faculty members in North America, this article examines the correlation between MPACT indicators and citation counts. Results suggest that MPACT indicators measure something distinct from citation counts. The article discusses these distinctions, with emphasis on differences between faculty ranks. It considers possible explanations for weak correlations between citations and mentoring at the full professor rank as well as implications for faculty activity analysis and broader institutional evolution. 相似文献
34.
35.
Library and information science (LIS) dissertations cite a wide variety of literature, reflecting the interdisciplinary nature of the field. A review of 76 LIS dissertations was undertaken to determine whether the disciplinary background of the dissertation adviser influences the citing behaviors of the dissertation author. Of the 76 dissertations, 38 were advised by individuals with a disciplinary background in LIS and 38 were advised by individuals with a disciplinary background outside of LIS. The Library of Congress subclass for each citation was determined according the venue of publication. The most cited authors overall and by each group were determined, as well as the percentage of citations to LIS literature over time. LIS-advised dissertations were found to have cited a wide variety of literature. The percentage of citations in LIS-advised dissertations to LIS literature has declined from a peak of 59% to 21%. Citations to the most-cited authors in each group were largely exclusive to the LIS-advised dissertations, and nonLIS-advised dissertations generally do not appear to cite the same bodies of academic literature. 相似文献