collaborators

5 papers

cs.AI2026

Offline-to-Online Creative Optimization with Generative Models and Adaptive Testing

Kevin Lee, Benjamin Letham, Zhiyuan Jerry Lin +5

Ad creative optimization is increasingly constrained by evaluation rather than generation. Generative models can produce many plausible creatives, but reliable evaluation requires…

cs.CL2026

LLM Prompt Duel Optimizer: Efficient Label-Free Prompt Optimization

Yuanchen Wu, Saurabh Verma, Justin Lee +6

Large language models (LLMs) are highly sensitive to prompts, but most automatic prompt optimization (APO) methods assume access to ground-truth references (e.g., labeled validatio…

cs.MM2026

Decoding the Hook: A Multimodal LLM Framework for Analyzing the Hooking Period of Video Ads

Kunpeng Zhang, Poppy Zhang, Shawndra Hill +1

Video-based ads are a vital medium for brands to engage consumers, with social media platforms leveraging user data to optimize ad delivery and boost engagement. A crucial but unde…

cs.MM2026

MLLM-VADStory: Domain Knowledge-Driven Multimodal LLMs for Video Ad Storyline Insights

Jasmine Yang, Poppy Zhang, Shawndra Hill

We propose MLLM-VADStory, a novel domain knowledge-guided multimodal large language models (MLLM) framework to systematically quantify and generate insights for video ad storyline…

econ.GN2025

Characterizing and Minimizing Divergent Delivery in Meta Advertising Experiments

Gordon Burtch, Robert Moakler, Brett R. Gordon +2

Many digital platforms offer advertisers experimentation tools like Meta's Lift and A/B tests to optimize their ad campaigns. Lift tests compare outcomes between users eligible to…