3 papers
cs.AI2026
ReFract: Benchmarking Perspective Awareness in Language Model Agents with Text World Models
Hainiu Xu, Vítor N. Lourenço, Mohnish Dubey +7
Large Language Model (LLM) agents are increasingly deployed in high-stakes settings such as industrial maintenance and equipment fault troubleshooting, where workers occupy a varie…
cs.CL2026
KG-CRAFT: Knowledge Graph-based Contrastive Reasoning with LLMs for Enhancing Automated Fact-checking
Vítor N. Lourenço, Aline Paes, Tillman Weyde +2
Claim verification is a core component of automated fact-checking systems, aimed at determining the truthfulness of a statement by assessing it against reliable evidence sources su…
cs.SI2025
Exploring Content and Social Connections of Fake News with Explainable Text and Graph Learning
Vítor N. Lourenço, Aline Paes, Tillman Weyde
The global spread of misinformation and concerns about content trustworthiness have driven the development of automated fact-checking systems. Since false information often exploit…