3. The system of claim 1 , wherein said subjective user state data solicitation module configured to solicit subjective user state data including data indicating occurrence of at least one subjective user state associated with a user in response to the acquisition of the objective occurrence data comprises: a requesting module configured to request for the data indicating occurrence of at least one subjective user state associated with a user.
1. A system comprising: a processor; an objective occurrence data acquisition module configured to acquire objective occurrence data, the objective occurrence data to be acquired including data indicating occurrence of at least one objective occurrence; a subjective user state data solicitation module configured to solicit subjective user state data including data indicating occurrence of at least one subjective user state associated with a user in response to the acquisition of the objective occurrence data; a subjective user state data acquisition module configured to acquire the subjective user state data; and a correlation module configured to correlate the objective occurrence data with the subjective user state data, wherein said correlation module configured to correlate the objective occurrence data with the subjective user state data comprises: a sequential pattern determination module configured to determine at least one sequential pattern associated with occurrence of the at least one subjective user state and occurrence of the at least one objective occurrence.