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A Combinatorial-Bandit Algorithm for the Online Joint Bid/Budget Optimization of Pay-per-Click Advertising Campaigns

AAAI 2018 · Bandits and online learning › Online convex optimization and games · approach: Learning for pricing and auctions · 44 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
replace human experts with AdComB-TS for bid/budget optimizationhuman expert management · Real-world campaigncost per acquisition (EUR): 83 -> 56Helped
replace human experts with AdComB-TShuman expert management · Real-world campaignacquisitions: 350 per month -> 353 over 2 monthsNo clear effect
add GP posterior-sampling exploration (TS/BUCB) instead of using mean estimates (ablation)AdComB-Mean · Synthetic Yahoo-based, N=4pseudo regret at t=100: about 35% larger regret for MeanHelped
use decoupled two 1-D GPs (clicks and cost) instead of a single 2-D GP (ablation)AdComB-2D-TS · Synthetic Yahoo-based, N=4pseudo regret at t=100: 2D regret more than 100% largerHelped
use BayesUCB instead of Thompson Sampling for exploration (ablation)AdComB-TS · Synthetic Yahoo-based, N=4pseudo regretNo clear effect
increase number of bid values from 5 to 20 (ablation)AdComB-TS · Syntheticpseudo regret at TNo clear effect
increase number of subcampaigns from 3 to 6 (ablation)AdComB-TS/BUCB · Syntheticpseudo regret at TNo clear effect

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