16. The system of claim 9 , wherein the subject matter criteria includes a medical condition and wherein the relevant physical objects are identified as being associated with known causes for the medical condition.
9. A computer system comprising: a network interface; a display; and one or more processing units coupled to the display and to the network interface, the one or more processing units configured to: receive a question relating to an individual; extract context from the question; identify subject matter criteria from the context of the question; access, via the network interface, a database containing history data that includes recorded positional data for physical objects relative to a location of a wearable device worn by the individual at a time of recording; identify relevant physical objects from the history data based upon the subject matter criteria; generate a set of answers for the question from a corpus of data; rank the set of answers based upon the relevant physical objects and physical distance, at the time the multimedia data was recorded, between the wearable device worn by the individual and the relevant physical objects; and provide the ranked set of answers to the display such that answers associated with a respective physical object having the smallest physical distance, at the time the multimedia data was collected, between the wearable device and the respective physical object are displayed first; wherein the one or more processing units are further configured to rank the set of answers based upon respective total amount of time each respective physical object was proximal to the wearable device and respective frequency each respective physical object was proximal to the wearable device.