LIVE DISTRIBUTION SYSTEM, ESTIMATION METHOD, AND PROGRAM
Provided is a live distribution system including a viewer comment acquisition module (101) configured to acquire a viewer comment input by a viewer of a live distribution service; a first estimation module (102) configured to estimate whether the viewer comment is appropriate based on a first model that has learned a first training comment; a first criterion determination module configured to determine whether a first score relating to an estimation accuracy of the first model satisfies a predetermined first criterion; a second estimation module configured to avoid, when the first score is determined to satisfy the predetermined first criterion, estimation based on a second model that has learned a second training comment and estimate, when the first score is determined not to satisfy the predetermined first criterion, whether the viewer comment is appropriate based on the second model.