4. The method of claim 1 , wherein the data structure in the response identifies at least one entity and includes accessor lambda functions for accessing the at least one entity via respective access protocols.
4. The method of claim 1 , wherein the data structure in the response identifies at least one entity and includes accessor lambda functions for accessing the at least one entity via respective access protocols. 5. The method of claim 4 , wherein the data structure identifies a plurality of the entities responsive to a query in the request, the method further comprising: receiving a second request from the user interface for executing one of the accessor lambda functions associated with the entities responsive to the query; and optimizing the second request based on initiating a shared communication session between the entities responsive to the query and the user interface, according to a prescribed device access protocol associated with the one accessor lambda function.