Literature-based knowledge vendors often claim to lease various products, including algorithmically extracted facts, and human-curated literature references.
a recently developed term to describe coins that have been cleaned, but where the cleaning has been so light and well done that it is impossible to tell Curation will not disqualify a coin from being certified
With respect to References, "curated" refers to articles from the literature that have been reviewed by the curation staff at RGD who have read the article and extracted the specific information of interest to RGD which was subsequently loaded into the database