collaborators

6 papers

cs.CL2026

Two-Level Meta-Rubrics for Evaluating Open-Ended Generation: GAMUT, a Benchmark for Factual Completeness

Xilun Chen, Zhaleh Feizollahi, Ross Goodwin +5

Rubric-based evaluation of open-ended generation faces a fundamental tension between expressiveness and reliability. Authoring a faithful rubric requires expressing the structure o…

cs.CL2025

SCRIBES: Web-Scale Script-Based Semi-Structured Data Extraction with Reinforcement Learning

Shicheng Liu, Kai Sun, Lisheng Fu +8

Semi-structured content in HTML tables, lists, and infoboxes accounts for a substantial share of factual data on the web, yet the formatting complicates usage, and reliably extract…

cs.CL2025

Knowledge Extraction on Semi-Structured Content: Does It Remain Relevant for Question Answering in the Era of LLMs?

Kai Sun, Yin Huang, Srishti Mehra +11

The advent of Large Language Models (LLMs) has significantly advanced web-based Question Answering (QA) systems over semi-structured content, raising questions about the continued…

cs.CL2025

Learning Facts at Scale with Active Reading

Jessy Lin, Vincent-Pierre Berges, Xilun Chen +3

LLMs are known to store vast amounts of knowledge in their parametric memory. However, learning and recalling facts from this memory is known to be unreliable, depending largely on…

cs.CL2025

Learning to Reason for Factuality

Xilun Chen, Ilia Kulikov, Vincent-Pierre Berges +5

Reasoning Large Language Models (R-LLMs) have significantly advanced complex reasoning tasks but often struggle with factuality, generating substantially more hallucinations than t…

cs.CL2025

FACTORY: A Challenging Human-Verified Prompt Set for Long-Form Factuality

Mingda Chen, Yang Li, Xilun Chen +3

Long-form factuality evaluation assesses the ability of models to generate accurate, comprehensive responses to short prompts. Existing benchmarks often lack human verification, le…