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How resources are ranked

What is Ranking?

Every resource contributed to this site has a ranking, which is a measure of its quality on a scale of 0 to 10. The best resources have a ranking of 10, and the worst, a ranking of 0. As you browse through resources, items with the highest ranking will appear near the top, by default. Similarly, as you search, items with the highest relevance to the search keywords and the highest ranking will appear near the top of the search results. Items with a lower ranking are harder to find.

How is ranking computed?

The ranking for each resource is a function of its average 5-star review, its popularity, and the number of citations to the resource appearing in the literature. The ranking function is fairly complex because it compensates for missing information. For example, if a resource has no reviews or few reviews relative to its peers, then its ranking is based largely on its popularity, which is determined by the number of users accessing the resource and the number of times that it has been accessed during the previous 12-month period. If a resource is new, then it is not expected to have much use, however, if use remains low as time passes then ranking declines. Resources with the highest ranking will be those accessed many times and by many users, given many 5-star (excellent) reviews, and cited many times in publications.

nanoHUB.org, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.