1. A mobile apparatus comprising: a processing planner configured to generate a plurality of resource use plans in response to a context monitoring query (CMQ) of an application and configured to select a final plan that satisfies a request of the CMQ among the resource use plans; and a plan processor configured to execute the final plan, wherein each resource use plan comprises: a logical plan that includes information about steps to recognize a context, the steps including a first step of sensing data, a second step of extracting feature data from the sensed data, and a third step of recognizing the context from the feature data; and a physical plan that includes information about subjects executing the steps, the subjects including a first subject sensing the data, a second subject extracting the feature data, and a third subject recognizing the context, wherein the resource use plans include a plurality of the logical plans for a single context, and wherein the resource use plans include a plurality of the physical plans for a single logical plan.