AWhat changed
Related mirror-descent and FTRL updates, retaining cumulative nonsmooth penalties with proximal centering; later industrial work implemented sparse per-coordinate online logistic prediction and calibration/feature-management lessons.
Scientific scope
Related mirror-descent and FTRL updates, retaining cumulative nonsmooth penalties with proximal centering; later industrial work implemented sparse per-coordinate online logistic prediction and calibration/feature-management lessons. 2011single-author theory and2013sixteen-author industrial case study kept as source-specific stages, not sixteen inventors of2011algorithm. Inherits earlier FTRL/dual-averaging/proximal work including2010adaptive-bound precursor. Equivalence claims require specified regularization/update assumptions; sparse click prediction is not causal ad effectiveness or universal superiority.
Evidence
The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. 2011single-author theory and2013sixteen-author industrial case study kept as source-specific stages, not sixteen inventors of2011algorithm. Inherits earlier FTRL/dual-averaging/proximal work including2010adaptive-bound precursor. Equivalence claims require specified regularization/update assumptions; sparse click prediction is not causal ad effectiveness or universal superiority.
Contributors
- Source-listed authors and technical contributors · SCIENCE: Source-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities.
- Follow-the-Regularized-Leader and Mirror Descent: Equivalence Theorems and L1 Regularization
- Ad Click Prediction: a View from the Trenches
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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