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cs.LG2026
Reinforcement Learning with Conformal Action Sets: An Application to Sequential Recommendation
Wenwen Si, Honghao Wei
Sequential recommenders typically use a fixed slate size even though the number of useful alternatives changes within a session. We propose Reinforcement Learning with Calibrated P…
cs.LG2025
Pattern-Guided Diffusion Models
Vivian Lin, Kuk Jin Jang, Wenwen Si +1
Diffusion models have shown promise in forecasting future data from multivariate time series. However, few existing methods account for recurring structures, or patterns, that appe…
cs.LG2025
Conformal Constrained Policy Optimization for Cost-Effective LLM Agents
Wenwen Si, Sooyong Jang, Insup Lee +1
While large language models (LLMs) have recently made tremendous progress towards solving challenging AI problems, they have done so at increasingly steep computational and API cos…