Data Retrieval Technologies

The traditional Logi Info method of data retrieval generally uses a Connection element to connect to a datasource, and a related DataLayer element to issue a query or request for data. The returned data is cached in temporary files and/or memory, and can be modified and extended (grouped, filtered, etc.) in place using other elements, before being made available for analyses and visualizations. Some datalayers for file system-based data do not need to use a Connection element.

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