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Ioannis Ch. Paschalidis

5 accepted papers

2026

PandemIQ Llama: A Domain-Adapted Foundation Model for Enhanced Pandemic Intelligence

AAAI 2026technical

We introduce PandemIQ Llama, a domain-adapted large language model (LLM) designed specifically for pandemic intelligence applications. Building on the pre-trained Llama-3.1-8B model, we conducted continuous training using our curated Pandemic Corpus. This dataset was assembled from authoritative pub

Cited by 0SourcePDFScholar
2025

Visually Robust Adversarial Imitation Learning from Videos with Contrastive Learning

ICRA 2025

We propose C-LAIfO, a computationally efficient algorithm designed for imitation learning from videos in the presence of visual mismatch between agent and expert domains. We analyze the problem of imitation from expert videos with visual discrepancies, and introduce a solution for robust latent spac

Cited by 8SourcecodeScholar
2023

Distributionally Robust Multiclass Classification and Applications in Deep Image Classifiers

ICASSP 2023accepted

We develop a Distributionally Robust Optimization (DRO) formulation for Multiclass Logistic Regression (MLR), which could tolerate data contaminated by outliers. The DRO framework uses a probabilistic ambiguity set defined as a ball of distributions that are close to the empirical distribution of th…

Cited by 0SourceScholar
2021

Uncertainty-Aware Policy Optimization: A Robust, Adaptive Trust Region Approach

AAAI 2021technical

In order for reinforcement learning techniques to be useful in real-world decision making processes, they must be able to produce robust performance from limited data. Deep policy optimization methods have achieved impressive results on complex tasks, but their real-world adoption remains limited be…

Cited by 11SourcePDFScholar
2016

Cooperative multi-quadrotor pursuit of an evader in an environment with no-fly zones

ICRA 2016poster

We investigate the cooperative pursuit of an evader by a group of quadrotors in an environment with no-fly zones. While the pursuers cannot enter into no-fly zones, the evader may freely move through zones to avoid capture. Once the evader enters a no-fly zone, the pursuers calculate a reachable set…

Cited by 39SourceScholar