Sensitivity studies for retrieval and abstention parameters

Investigate the sensitivity of SkillBrowser to the number of retrieved Skills, encoder choice, and abstention thresholds through broader empirical studies.

Background

SkillBrowser's retrieval and selective-exposure behavior depends on configuration choices, including the retrieval cutoff k, the dense-retrieval encoder, and the threshold used for abstaining from unsuitable Skills. The paper reports results for a fixed configuration and notes that the robustness of the framework across these choices has not yet been established. Determining this sensitivity is important for assessing whether the reported performance generalizes beyond the evaluated settings.