3 papers
cs.CL2026
The Warrant Gap: Claim-Conditioned Re-scoring for Fact-Checking
Arka Ujjal Dey, John Collomosse
Fact-checking systems built on LLMs achieve high verdict accuracy on standard benchmarks, yet routinely output Supports labels whose cited evidence does not license the claim. Stru…
cs.MM2025
Fact-Checking with Contextual Narratives: Leveraging Retrieval-Augmented LLMs for Social Media Analysis
Arka Ujjal Dey, Muhammad Junaid Awan, Georgia Channing +2
We propose CRAVE (Cluster-based Retrieval Augmented Verification with Explanation); a novel framework that integrates retrieval-augmented Large Language Models (LLMs) with clusteri…
cs.CV2024
Image-text matching for large-scale book collections
Artemis Llabrés, Arka Ujjal Dey, Dimosthenis Karatzas +1
We address the problem of detecting and mapping all books in a collection of images to entries in a given book catalogue. Instead of performing independent retrieval for each book…