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This study aims to analyze and evaluate usefulness on the visualization of researcher networks from the user's perspective. We selected the following four academic information services in the viewpoint of data set and level of functionality; Authoratory, Researchgate, Biomedexperts, and Academic.research. By six IT technology researchers and professors with doctorate, the services were evaluated based on functional quality criteria of information visualization elements and on informationdoi:10.5281/zenodo.4134492 fatcat:z4edh3z42fgjtjnde3k7wzxcgi