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Shannon Zejiang Shen

3 accepted papers

2026

SPG: Sandwiched Policy Gradient for Masked Diffusion Language Models

ICLR 2026poster

Diffusion large language models (dLLMs) are emerging as an efficient alternative to autoregressive models due to their ability to decode multiple tokens in parallel. However, aligning dLLMs with human preferences or task-specific rewards via reinforcement learning (RL) is challenging because their i…

Cited by 0SourcecodeScholar
2025

CourtReasoner: Can LLM Agents Reason Like Judges?

EMNLP 2025

LLMs are increasingly applied in the legal domain in tasks such as summarizing legal texts and providing basic legal advice. Yet, their capacity to draft full judicial analyses in U.S. court opinions is still largely uncharted, such as generating entire judicial reasoning sections in U.S. court deci

2025

SciRIFF: A Resource to Enhance Language Model Instruction-Following over Scientific Literature

EMNLP 2025

We present ScIRIFF (Scientific Resource for Instruction-Following and Finetuning), a dataset of 137K instruction-following instances for training and evaluation, covering 54 tasks. These tasks span five core scientific literature understanding capabilities: information extraction, summarization, que