1. A method, comprising: causing via a processor, at least in part, a submission of a search query from a user device to two or more search domains; causing, at least in part, a ranking of results objects from the two or more search domains in response to the search query, wherein the results objects are ranked using ranking criteria that are specified by each of the respective search domains and that are different for said each of the respective search domains; causing, at least in part, determining a rank value for each of the results objects based on common ranking criteria; causing, at least in part, ordering the results objects based at least in part on the rank values determined using the common ranking criteria; and causing, at least in part, determining to send the results objects for rendering in a user interface, wherein at least one of the ranking criterion of the common ranking criteria accounts for a context of the user device when determining the rank value for each of the results objects.
2. The method of claim 1 , wherein the context comprises at least one of time, location, and mobile data services associated with the user device.