Techniques for content recommendation in multimedia environments

A multimedia system comprising:

• a processor;
• a memory device;
• a database comprising items of content, wherein each of the items of content has metadata associated therewith;
• at least one display for displaying selected ones of the items of content to a group of users;
• and
• at least one sensing device for detecting non-verbal reactions of each user of the group of users to a stimulus presented to the group of users on the at least one display;
• wherein the detected non-verbal reactions of the group of users are processed on a per-user basis to determine responses of the group of users the stimulus;
• and
• wherein the users are provided with a list of recommendations based on the determined responses of the group of users.

One or more non-transitory computer-readable storage media comprising instruction for execution which, when executed by a processor, result in operations comprising:

• presenting a stimulus to a user, wherein the stimulus comprises at least a portion of a first item of content and includes audio, video, or both;
• detecting at least one non-verbal reaction of the user to the stimulus;
• processing the detected at least one non-verbal reaction to determine a response of the user to the stimulus;
• providing to the user a list of recommendations based on the determined response of the user to the stimulus, wherein the list of recommendations comprises at least one second item of content selected from a content database;
• and
• prompting the user to select an item of content from the list of recommendations;
• wherein the detected non-verbal reaction comprises at least one of a facial expression, kinesics, paralinguistics, body language, posture, gaze, or a physiological response of the user.