93 citations · 144 across the 12 of their papers we have counts for
7 papers · 1 filter
Nine Million Book Items and Eleven Million Citations: A Study of Book-Based Scholarly Communication Using OpenCitations
Yongjun Zhu, Erjia Yan, Silvio Peroni +1
Books have been widely used to share information and contribute to human knowledge. However, the quantitative use of books as a method of scholarly communication is relatively unex…
Challenges of measuring the impact of software: an examination of the lme4 R package
Kai Li, Pei-Ying Chen, Erjia Yan
The rise of software as a research object is mirrored in the increasing interests towards quantitative studies of scientific software. However, due to the inconsistent practice of…
Finding knowledge paths among scientific disciplines
Erjia Yan
This paper discovers patterns of knowledge dissemination among scientific disciplines. While the transfer of knowledge is largely unobservable, citations from one discipline to ano…
Entitymetrics: Measuring the Impact of Entities
Ying Ding, Min Song, Jia Han +4
This paper proposes entitymetrics to measure the impact of knowledge units. Entitymetrics highlight the importance of entities embedded in scientific literature for further knowled…
A bird's-eye view of scientific trading: Dependency relations among fields of science
Erjia Yan, Ying Ding, Blaise Cronin +1
We use a trading metaphor to study knowledge transfer in the sciences as well as the social sciences. The metaphor comprises four dimensions: (a) Discipline Self-dependence, (b) Kn…
A recursive field-normalized bibliometric performance indicator: An application to the field of library and information science
Ludo Waltman, Erjia Yan, Nees Jan van Eck
Two commonly used ideas in the development of citation-based research performance indicators are the idea of normalizing citation counts based on a field classification scheme and…