activity
20202026
most citedHardware-accelerated Simulation-based Inference of Stochastic Epidemiology Models for COVID-19

9 citations · 10 across the 4 of their papers we have counts for

collaborators

6 papers

cs.CL2026

Aligning Language Models Towards Counterfactual Invariance

Basar Demir, Emily Shen, Ksheeraj Sai Vepuri +5

Small variations in prompt characteristics can meaningfully alter the semantics, tone, and contextual assumptions of large language model outputs. Such characteristics can involve…

cs.LG2026

MaD-RL: Matching Distributions for Calibrating LLMs with Reinforcement Learning

Sourabh Kulkarni, Ksheeraj Sai Vepuri, Basar Demir +8

Reinforcement learning (RL) is widely used in language-model post-training to maximize rewards assigned to individual model outputs, such as scores from binary verifiers or reward…

cs.CV2026

TRAPSBench: Vision-Language Models Encode but Fail to Express Epistemic Restraint

Fnu Pramono, John Cai, Sourabh Kulkarni

When visual evidence is occluded or chaotic, models should abstain. In this paper, we show that Vision-Language Models (VLMs) can internally distinguish when abstention is required…

cs.DC2021

Efficient State-space Exploration in Massively Parallel Simulation Based Inference

Sourabh Kulkarni, Csaba Andras Moritz

Simulation-based Inference (SBI) is a widely used set of algorithms to learn the parameters of complex scientific simulation models. While primarily run on CPUs in HPC clusters, th…

cs.DC2020★ 9 cited

Hardware-accelerated Simulation-based Inference of Stochastic Epidemiology Models for COVID-19

Sourabh Kulkarni, Mario Michael Krell, Seth Nabarro +1

Epidemiology models are central in understanding and controlling large scale pandemics. Several epidemiology models require simulation-based inference such as Approximate Bayesian…

cs.PL2020★ 1 cited

PPL Bench: Evaluation Framework For Probabilistic Programming Languages

Sourabh Kulkarni, Kinjal Divesh Shah, Nimar Arora +9

We introduce PPL Bench, a new benchmark for evaluating Probabilistic Programming Languages (PPLs) on a variety of statistical models. The benchmark includes data generation and eva…