An exemplary system includes a data loader and a data slicer. The data loader is configured to receive and process raw program guide data, and to store the processed program guide data in a data store, the processing including generating a unique program identifier for each program represented in the raw program guide data. The data slicer is configured to generate a program guide data configuration from the processed program guide data, the program guide data configuration including program guide data organized into a plurality of data structures based on categories of the program guide data. The plurality of data structures includes at least one channel data structure, at least one schedule data structure, at least one detailed program information data structure, and indices for use as references between different ones of the data structures.