We compared the coverage of 5 ways of delineating a field of research. Chen C, Song M (2019) Visualizing a field of research: A methodology of systematic scientometric reviews. PLoS ONE 14(10): e0223994. https://doi.org/10.1371/journal.pone.0223994
#CiteSpace 5.4.R1 is now available, including a few major performance optimizations with a much faster cluster labeling function. https://sourceforge.net/projects/citespace/