Answered By: Odile Harter
Last Updated: Jul 15, 2015     Views: 296

This information is tracked by database vendors and is often kept private. There is a project underway to set standards for reporting such download information and encouraging vendors to participate. See http://www.projectcounter.org/usage_factor.html

"Usage factor" tracks the number of times that an article has been downloaded from a database. It is one of a number of what are called altmetrics, or metrics that can serve as complementary alternatives to the more traditional citation-based metrics such as a journal's impact factor. Citation Index/Web of Knowledge includes information about impact factor, citation numbers for individual articles, and other metrics.

For further information on journal metrics of all kinds, see the helpful guide maintained by Johns Hopkins: http://guides.library.jhu.edu/metrics

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