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Definition: DOI

(Digital Object Identifier) A method of applying a persistent name to documents, publications and other resources on the Internet rather than using a URL, which can change over time. DOI uses the Corporation for National Research Initiatives (CNRI) Handle System technology, which uses a naming system and naming servers to keep track of the location of the resources. To fully implement the system, a browser plug-in is required that will resolve the handle used on a Web page that identifies the resource. Otherwise, a proxy server is required. For more information, visit www.doi.org.