Facebook, Inc.

Sean Michael Snyder

Jason George McHugh

A report execution engine processes reports for evaluating advertising campaigns. The report execution engine maintains a plurality of generators, each generator including instructions to generate execution plans for one or more columns of a report. The report execution engine uses different generators for generating sub-plans for processing columns of the report. A generator generates a sub-plan for processing a column of the report and invokes other generators for generating sub-plans for remaining columns of the report. The generator receives a sub-plan for the remaining columns of the report from another generator and generates a combined execution plan based on the sub-plans. An execution plan comprises a hierarchical structure of nodes, each node representing a portion of computation of the report. The report execution engine generates the report based on the execution plan and sends the results for presentation.

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Seattle, WA, United States of America

Sean Michael Snyder