The major [[limitation]] of the entire class of [[citation]]-based [[metrics]] has always been their inability to capture the real-world impact of a body of [[research]], which may not necessarily be reflected by the NC received by a [[paper]] or an author
((Google Scholar, Scopus and the Web of Science: a longitudinal and cross-disciplinary comparison. Harzing AW, Alakangas S. Scientometrics. 2016;106:787–804.))
((Three options for citation tracking: Google Scholar, Scopus and Web of Science. Bakkalbasi N, Bauer K, Glover J, Wang L. Biomed Digit Libr. 2006;3:7.))
((The h-index is no longer an effective correlate of scientific reputation. Koltun V, Hafner D. PLoS One. 2021;16:0.))