US Patent 11321630 Method and apparatus for providing e-mail authorship classification

There is provided an email authorship classification apparatus. The apparatus includes an information analysis unit configured to analyze header field information in an attribute header of each of emails and extract feature field information related to an authorship of each of the emails from each of the header field information and an information conversion unit configured to convert the feature field information into a feature data set for inputting a learning model thereto. The apparatus further includes a learning model unit configured to generate a classification model for classifying the emails by author by applying a learning process to the feature data set.