collaborators

5 papers

cs.AI2026

Ask, Don't Judge: Binary Questions for Interpretable LLM Evaluation and Self-Improvement

Sangwoo Cho, Kushal Chawla, Pengshan Cai +4

Evaluating LLM outputs remains a major bottleneck in NLP: human evaluation is expensive and slow, lexical metrics correlate poorly with human judgments on open-ended generation, an…

cs.AI2026

SAFARI: Scaling Long Horizon Agentic Fault Attribution via Active Investigation

Chenyang Zhu, Jiayu Yao, Kushal Chawla +10

As autonomous agents tackle increasingly complex multi-step, multi-agent tasks, their execution trajectories have scaled beyond the constraints of even the largest context windows.…

cs.LG2026

RECAP: Regression Evaluation for Continual Adaptation of Prompts

Harsh Deshpande, Kushal Chawla, Sangwoo Cho +2

Production agentic systems routinely face evolving constraints and must comply from the very next interaction. Scenarios like a tool-call notification changing a compliance thresho…

cs.CL2026

DIAL-SUMMER: A Structured Evaluation Framework of Hierarchical Errors in Dialogue Summaries

Sahana Ramnath, Nima Chitsazan, Mingyang Zhou +8

Dialogues are a predominant mode of communication for humans, and it is immensely helpful to have automatically generated summaries of them (e.g., to revise key points discussed in…

cs.CL2024

When Reasoning Meets Information Aggregation: A Case Study with Sports Narratives

Yebowen Hu, Kaiqiang Song, Sangwoo Cho +5

Reasoning is most powerful when an LLM accurately aggregates relevant information. We examine the critical role of information aggregation in reasoning by requiring the LLM to anal…