Rankings are determined through various methodologies, often involving quantitative and qualitative metrics:
Impact Factor: A measure of the frequency with which the average article in a journal has been cited in a particular year. H-index: An author's number of papers (h) that have been cited at least h times, indicating both productivity and impact. Research Funding: The amount and sources of financial support for research projects. Peer Reviews: Evaluations from other experts in the field. Conference Participation: Invitations to speak or present at leading conferences.