For any work of literature, a fundamental issue is to identify the indi-vidual(s) who wrote it and, conversely, to identify all of the works that belong to a given individual. Attribution would seem to be a simple process (putting aside those works that are published anonymously) and yet it represents a major, unsolved problem for information science. Consequently, it is necessary to analyze the metadata, and sometimes the text, of a work of literature in order to make an educated guess as to the identity of its authors.
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