4. The method of claim 1 wherein the first delimited segment comprises the entire first media content item.
1. A method for associating a second media content item with a first media content item, wherein the first media content item comprises a first audio/video content and the second media content item comprises a second audio/video content, the method comprising: receiving, by a recommender system, a first map of a first delimited segment of the first media content item, the first map comprising a first sentiment-state keyword associated with the first segment and a first temporal delimitation of the first segment; receiving, by the recommender system, a second map of a second delimited segment of the second media content item, the second map comprising a second sentiment-state keyword associated with the second segment and a second temporal delimitation of the second segment; comparing, by the recommender system, the first and second maps; and if a result of the comparison is a favorable result for a temporal extent associated with the first and second temporal delimitations, then associating, by the recommender system, the second media content item with the first media content item.