32. The system of claim 20 , wherein the processors are further operable when executing the instructions to: determine a rank for each structured query; and wherein sending one or more of the structured queries comprises sending each structured query having a rank greater than a threshold rank.
32. The system of claim 20 , wherein the processors are further operable when executing the instructions to: determine a rank for each structured query; and wherein sending one or more of the structured queries comprises sending each structured query having a rank greater than a threshold rank. 34. The system of claim 32 , wherein: each generated structured query further comprises references to the one or more additional entities; and determining a rank for each structured query is based on a degree of separation between the first user and the one or more additional entities in a social graph, the social graph comprising a plurality of nodes and a plurality of edges connecting the nodes.