Author

Yurong Liu

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Preprint Jul 2026

Auto-Fill: Learning to Predict Missing Values Accurately with Specialist Language Models

Predicting missing cell values in tabular data is a fundamental problem in data cleaning. While state-of-the-art reasoning models show great promise in predicting missing values in tables, by reasoning holistically across rows and columns, they are costly to deploy at scale and tend to be overconfident, often generatin...

Yurong Liu, Yeye He, Haoyu Dong et al. · 0 citations

Jul 2026

AgentTrails: Towards Trust and Reuse for Agentic Tasks

This work presents AgentTrails, a prototype system for agent provenance and sensemaking that converts raw trajectories into structured provenance graphs, where tool calls are modeled as computational actions and inputs and outputs as data artifacts and supports pattern extraction, downstream analysis, and skill abstrac...

Eden Wu, Sonia Castelo, Yurong Liu et al. · arXiv.org · 2 citations