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Beyond the Search settings already discussed, Elements can use several other disambiguation tools to identify you uniquely as the publication author. These include email address and several third-party person identifiers (ORCiD ID, Researcher ID, ArXiv author ID, SSRN author ID, etc.). This can work only if one of these identifiers is contained in the publication metadata of your publications. Since this cannot be assumed, identifying yourself in this way does not actually narrow your search; rather it can automatically claim publications that must be yours, thus reducing the number of publications you are asked to claim or reject.
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