1. A method comprising the following computer-executable acts: receiving video data, wherein the video data includes a plurality of video frames that comprise an animate object; determining an action undertaken by the animate object in the plurality of video frames, wherein the act of determining comprises accessing a data store that comprises data representable by an action graph, wherein the action graph includes a plurality of nodes, wherein the plurality of nodes are representative of a plurality of possible postures of the animate object, and wherein at least one node of the action graph corresponds to multiple actions determinable through use of the action graph.