Dissecting Atomic Facts: Visual Analytics for Improving Fact Annotations in Language Model Evaluation

Fuente: arXiv
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Autori principali: Schmidt, Manuel, Keim, Daniel A., Dennig, Frederik L.
Natura: Preprint
Pubblicazione: 2025
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author Schmidt, Manuel
Keim, Daniel A.
Dennig, Frederik L.
author_facet Schmidt, Manuel
Keim, Daniel A.
Dennig, Frederik L.
contents Factuality evaluation of large language model (LLM) outputs requires decomposing text into discrete "atomic" facts. However, existing definitions of atomicity are underspecified, with empirical results showing high disagreement among annotators, both human and model-based, due to unresolved ambiguity in fact decomposition. We present a visual analytics concept to expose and analyze annotation inconsistencies in fact extraction. By visualizing semantic alignment, granularity and referential dependencies, our approach aims to enable systematic inspection of extracted facts and facilitate convergence through guided revision loops, establishing a more stable foundation for factuality evaluation benchmarks and improving LLM evaluation.
format Preprint
id arxiv_https___arxiv_org_abs_2509_01460
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Dissecting Atomic Facts: Visual Analytics for Improving Fact Annotations in Language Model Evaluation
Schmidt, Manuel
Keim, Daniel A.
Dennig, Frederik L.
Human-Computer Interaction
Factuality evaluation of large language model (LLM) outputs requires decomposing text into discrete "atomic" facts. However, existing definitions of atomicity are underspecified, with empirical results showing high disagreement among annotators, both human and model-based, due to unresolved ambiguity in fact decomposition. We present a visual analytics concept to expose and analyze annotation inconsistencies in fact extraction. By visualizing semantic alignment, granularity and referential dependencies, our approach aims to enable systematic inspection of extracted facts and facilitate convergence through guided revision loops, establishing a more stable foundation for factuality evaluation benchmarks and improving LLM evaluation.
title Dissecting Atomic Facts: Visual Analytics for Improving Fact Annotations in Language Model Evaluation
topic Human-Computer Interaction
url https://arxiv.org/abs/2509.01460