1. A method comprising: configuring a computer system including at least one memory and at least one processor to perform steps of: selecting a multimedia program for presentation, the multimedia program having a plurality of segments; classifying each segment of the plurality of segments according to associated content; for each given segment of the plurality of segments, retrieving a data entry template based, at least in part, upon the classification of the given segment; for each given segment of the plurality of segments, populating a data entry database via the data entry template corresponding to the given segment; generating a data stream via the data entry database, wherein a timing of the data stream is configured to coincide with a timing of the plurality of segments upon presentation by a multimedia system; generating at least one query grammar, wherein the at least one query grammar is programmed to interpret commands to access content in the data stream; simultaneously transmitting, to the multimedia system, the content associated with at least one of the plurality of segments, one or more of the at least one query grammar, and the data stream; monitoring a user interface element to detect an input query; determining whether the input query is valid according to the at least one query grammar; and responsive to the determination that the input query is valid, retrieving content associated with the input query, including any updated information for the data stream.
4. The method of claim 1 , wherein at least one data entry template among the respective data entry templates includes a listing of content types associated with a segment classification.