Information providing system, information providing method, and non-transitory recording medium

An information providing method comprising:

• extracting a first feature quantity indicating a feature quantity of a document output from an output device used by a user, the first feature quantity including a type of the document, content of the document, and a type of the user who handles the document,
• extracting a second feature quantity indicating a feature quantity of the user who uses the output device, the second feature quantity including information on the user, a situation or a state of the user, and an emotion of the user;
• selecting content useful for the user from a database that stores content associated with the first feature quantity and the second feature quantity, using a machine learning model based on the first feature quantity and the second feature quantity;
• and
• outputting the selected content as useful information for the user.

A non-transitory recording medium storing a plurality of instructions which, when executed by one or more processors, causes the one or more processors to perform an information providing method comprising:

• extracting a first feature quantity indicating a feature quantity of a document output from an output device used by a user, the first feature quantity including a type of the document, content of the document, and a type of the user who handles the document,
• extracting a second feature quantity indicating a feature quantity of the user who uses the output device, the second feature quantity including information on the user, a situation or a state of the user, and an emotion of the user;
• selecting content useful for the user from a database that stores content associated with the first feature quantity and the second feature quantity, using a machine learning model based on the first feature quantity and the second feature quantity;
• and
• outputting the selected content as useful information for the user.