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Maria Sofia Bucarelli

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#artificial intelligence Preprint Sep 2026

Cross-Modal Attention Acts as a Frequency Filter: Why Verbose Prompts Improve Robustness in Vision-Language Models

This work finds that the wording of the question affects VLMs in two opposite ways: verbose paraphrasing reduces drift variance by 70--81% on the 8B models and the practical recipe---pad the prompt---further yields measurable gains in accuracy, even under image corruption.

Farooq Ahmad Wani, Maria Sofia Bucarelli, Mujtaba Hussain Mirza et al. · 0 citations

Same Answer, Different Representations: Hidden instability in VLMs

A representation-aware and frequency-aware evaluation framework that measures internal embedding drift, spectral sensitivity, and structural smoothness (spatial consistency of vision tokens), alongside standard label-based metrics is introduced.

Farooq Ahmad Wani, Alessandro Suglia, Rohit Saxena et al. · 2 citations
#natural language process... Preprint Aug 2026

QUORUM: QUality-Optimized Routing Using Multiple annotators

This work introduces QUORUM (QUality-Optimized Routing Using Multiple annotators), a budget-aware routing framework that dynamically assigns each instance to human or LLM annotators under a fixed annotation budget and supports multiple annotations per instance, combining them through agreement-based rewards to improve...

Antonio Purificato, Maria Sofia Bucarelli, Andrea Bacciu et al. · 1 citation

Select, Label, Evaluate: Active Testing in NLP

This work formalizes Active Testing in NLP and conducts an extensive benchmarking of existing approaches across 18 datasets and 4 embedding strategies spanning 4 different NLP tasks, revealing variations in method effectiveness across different data characteristics and task types.

Antonio Purificato, Maria Sofia Bucarelli, Andrea Bacciu et al. · 1 citation

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