Information provision device, information provision method, and information provision program

An information provision device that provides quiz information corresponding to an event to a user, comprising:

• a timing determination circuit that determines a time to provide the quiz information during the event;
• a quiz information generation circuit that generates the quiz information by extracting words related to the event from a database storing the structured information being annotated with the words and element tags indicating element types of the words in the text information extracted from event-related text, information constructed for generating the quiz information, appropriate for the time based on a situation of the event at the time;
• a quiz information provision circuit that provides the quiz information to the user at the time;
• and
• a priority control circuit that determines or changes a value or rank indicating the priority of generating quiz information, based on the situation of the event, priority of an element tag corresponding to a question for generating the quiz information;
• wherein user response information indicating the user's response to the quiz information provided to the user is stored in the structured information for each element tag associated with the quiz information,
• the priority control circuit changes the priority of the element tag based on the user response information,
• wherein the quiz information generation circuit generates the quiz information asking a question to be answered with a word corresponding to a high-priority element tag.