Acquisition applies a two-stage selection process where it first picks a Rank Factor Class based on an inverse-testing freshness formula raised to the diversity weight, and then runs the chosen Bayesian acquisition policy on the claims within that selected class.

flowchart TD
    A[Start Selection Round] --> B[Calculate Class Freshness]
    B --> C[Sample Class via Diversity Weight]
    C --> D[Filter Claims in Chosen Class]
    D --> E[Run Bayesian Policy: Thompson or UCB]
    E --> F[Select Winning Claim to Test]