US Patent 8260783 Storage of multiple, related time-series data streams

A method and system may receive time-series data of each of a plurality of real-time data streams from one or more sensors and create an electronic file based on the plurality of real-time data streams. The plurality of real-time data streams comprises a primary data stream, a low limit data stream, a high limit data stream, and a target value data stream. The electronic file includes a data portion and a metadata portion. The metadata portion of the electronic file comprises, for each of the plurality of data streams, one or more data stream identifiers, a time range, a source type, and a data type, and the data portion comprises the time-series data of each of the plurality of real-time data streams.