Authors

Rahul Sharma

Publications 2

Preprint Open access

TypedBench: A Benchmark for Calibration, Framing Sensitivity, and Cost in System One Decision Models

Rahul Sharma, Andrew B. Ducan, Gaétan Marceau Caron et al. · 2026

System One models output calibrated probabilities over typed answers such as categorical choices, ordinal levels, or binary outcomes, via a non-generative interface. Software can act on these probabilities through thresholds, cost-weighted choices, and escalation rules. Consequently, if these probabilities are miscalib …

Preprint Open access

Challenges and Solutions for Bandits in the Wild: Warm-Started Mixture Bandits for Cross-Cohort Slate Recommendation

Serafima Lebedeva, Sumantrak Mukherjee, Ali Arshad Sadal et al. · 2026

Many recommender services repeatedly encounter cold-start cohorts, where new users arrive with little or no interaction history. This creates two challenges: learning user preferences quickly from limited feedback and sustaining useful recommendations when each user has a finite catalog that can become repetitive or de …

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