1. A method to provide an intelligence-oriented service using context information estimation in a mobile terminal, the method comprising: registering a correlation relation between first context information used as an input data of a software platform and second context information generated using the first context information at the software platform; obtaining the first context information from at least one datum stored in the mobile terminal; generating, based on the correlation relation, the second context information using at least one first context information; and providing the second context information to an upper application, wherein generating the second context information comprises: determining, based on the correlation relation, whether information required to generate the second context information is available, wherein the information required to generate the second context information comprises at least one of the first context information or other second context information; and stopping the generation of the second context information if the information required to generate the second context information is not available.