74 citations · 245 across the 30 of their papers we have counts for
5 papers · 1 filter
RAIM: Robust Aggregation of Inexpensive Models for Hallucination Detection
Elia Onofri, Roberto Di Pietro
Automatic evaluation of faithfulness increasingly relies on a large language model acting as a judge, yet the most reliable judges are proprietary frontier models, costly and ill-s…
FinMoji: A Framework for Emoji-driven Sentiment Analysis in Financial Social Media
Ahmed Mahrous, Roberto Di Pietro
This paper explores the use of emojis in financial sentiment analysis, focusing on the social media platform StockTwits. Emojis, increasingly prevalent in digital communication, ha…
PumpSense: Real-Time Detection and Target Extraction of Crypto Pump-and-Dumps on Telegram
Ahmed Mahrous, Roberto Di Pietro
Cryptocurrency pump-and-dump schemes coordinated via Telegram threaten market integrity. However, existing research addressing this specific threat has not yet produced solutions t…
A Geometric Analysis of Small-sized Language Model Hallucinations
Emanuele Ricco, Elia Onofri, Lorenzo Cima +2
Hallucinations -- plausible but factually incorrect responses -- pose a major challenge to the reliability of Large Language Models (LLMs), especially in multi-step or agentic sett…
Hallucination Detection: A Probabilistic Framework Using Embeddings Distance Analysis
Emanuele Ricco, Lorenzo Cima, Roberto Di Pietro
Hallucinations are one of the major issues affecting LLMs, hindering their wide adoption in production systems. While current research solutions for detecting hallucinations are ma…