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cs.LG2026
SkillRater: Untangling Capabilities in Multimodal Data
Naveen Sahi, Jeremy Dohmann, Armen Aghajanyan +1
Data curation methods typically assign samples a single quality score. We argue this scalar framing is fundamentally limited: when training requires multiple distinct capabilities,…
cs.LG2026
Improving MoE Compute Efficiency by Composing Weight and Data Sparsity
Maciej Kilian, Oleg Mkrtchyan, Luke Zettlemoyer +2
Mixture-of-Experts layers achieve compute efficiency through weight sparsity: each token activates only a subset of experts. Data sparsity, where each expert processes only a subse…