13. The method of claim 11 , wherein the graphical user interface is displayed on a webpage associated with the online social network accessed by a browser client.
11. The method of claim 1 , wherein receiving from the first user the unstructured text query comprises receiving one or more characters of a character string as the first user at a client system enters the character string into a graphical user interface comprising a query field, and wherein the character string is entered by the first user into the query field.