13. The system of claim 12 , wherein the arrangement includes a graph comprising a plurality of nodes and one or more edges connecting at least a subset of the nodes, each of the plurality of nodes corresponding to at least one of the identified plurality of semantic objects, and the subset of the nodes including nodes corresponding to different semantic object types.
13. The system of claim 12 , wherein the arrangement includes a graph comprising a plurality of nodes and one or more edges connecting at least a subset of the nodes, each of the plurality of nodes corresponding to at least one of the identified plurality of semantic objects, and the subset of the nodes including nodes corresponding to different semantic object types. 14. The system of claim 13 , wherein at least one of the one or more edges between a particular pair of nodes corresponding to different semantic object types is unidirectional and indicates a direction between the particular pair, the direction indicating a characteristic of a relationship between the identified plurality of semantic objects corresponding to the particular pair.