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Junyi Jessy Li

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#computer vision Preprint Oct 2026

ActICL: Post-Training for Agentic Multimodal In-Context Learning

Multimodal in-context learning (ICL) is an important capability of multimodal large language models (MLLMs). Its performance is closely tied to the demonstrations it uses, making demonstration retrieval a core problem for ICL. Common methods use fixed scoring methods to retrieve all the demonstrations at once, which ma...

Yanshu Li, Rui-Xiang Tang, Junyi Jessy Li et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Twist, Don't Tilt: Trajectory-Exact Constrained Decoding for Masked Diffusion Models

This work introduces TWISTER, the first automaton-twisted Sequential Monte Carlo decoder for MDLMs, and proves that for regular language constraints, the Feynman-Kac correction is exactly computable, with the twists obtained efficiently using quantities pre-computed for step-exact sampling.

Aditya Thimmaiah, Lara Marinov, Jayanth Srinivasa et al. · 0 citations
#natural language process... Preprint Sep 2026

Retrofitting Code Using LLMs to Support Exceptional Behavior

The results demonstrate that EXCODER provides an effective, though imperfect, solution to this problem in automated code generation, offering developers the first way to implement ERC following test-driven development.

Ling-Tao Zhong, Jiyang Zhang, Jayanth Srinivasa et al. · 0 citations
#natural language process... Preprint Sep 2026

CROCODIL: Cross-Model Code Editing with LLMs

This work introduces CROCODIL (Cross-model Code Editing with LLMs), a post-training framework for reducing excessive edits while preserving functional correctness and CROCODIL's similarity reward penalizes large changes, while its execution reward scores build and test success.

Ling-Han Zhong, Aditya Thimmaiah, Jayanth Srinivasa et al. · 0 citations
#artificial intelligence Preprint Sep 2026

VakyArth: Evaluating Pragmatic Competence in LLMs across Indic Languages

Real-world communication often requires pragmatic reasoning: interpreting meanings implied through context and cultural convention rather than stated literally. Existing pragmatic evaluation remains largely limited to English and high-resource languages, leaving Indic languages unexplored despite their linguistic and c...

Usneek Singh, Poorvaja Veera Balaji Kumar, Parth Nanda et al. · 0 citations
#artificial intelligence Book Open access Sep 2026

Predicting Program Exit Code with LLMs and Programming Language Semantics

This work evaluates open-source coding LLMs under two semantic formalisms and two semantic shifts across Human-Written, LLM-Translated, and Fuzzer-Generated program splits, showing that LLMs lean on pre-training priors rather than systematically applying the given rules.

Lara Marinov, Aditya Thimmaiah, Jayanth Srinivasa et al. · 0 citations

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