Alkis Koudounas

Ph.D. candidate in Ingegneria Informatica E Dei Sistemi , 38^th cycle (2022-2025)
Department of Control and Computer Engineering (DAUIN)

Docente esterno e/o collaboratore didattico
Department of Control and Computer Engineering (DAUIN)

alkis.koudounas@polito.it

Profile

PhD

Research topic

Toward Robust, Responsible and Trustworthy Speech Foundation Models

Tutors

Research interests

Data science, Computer vision and AI

Biography

Alkis is a third-year Ph.D student at the Polytechnic University of Turin, Italy, and an applied research intern at Amazon AGI. His research focuses on speech, audio, and multimodal understanding, as well as robust, responsible, and trustworthy AI. His interest also lies in the development of resources for under-represented languages, and he is currently focusing on creating tools to help diagnose voice-related pathologies and improve the quality of life for those affected by them. He served as the Italian Language Ambassador for the AYA Cohere4AI project. His works have been published in top-tier speech and NLP conferences and journals, including ICASSP, ACL, IEEE/ACM TASLP, COLING, EACL, and Interspeech, where he also won the Best Student Paper Award (2024).

Personal website: https://koudounasalkis.github.io/

Awards and Honors

IEEE ICASSP 2024 Travel Grant Recipient (2024)
ACM KDD 2024 Travel Grant Recipient (2024)
ISCA Interspeech 2024 Travel Grant Recipient (2024)
Best Student Paper Award at ISCA Interspeech 2024 Conference (2024)
Online Chair at ECML-PKDD 2023 (2023)
Applied Scientist Intern at Amazon AGI - Speech Recognition Team (2024)
PhD's Pitch @ IEEE Polito Student Branch Title: “Subgroup Disparities in Speech Models: Detection and Mitigation” Short Abstract: The research addresses performance disparities in speech models across subgroups through in-processing (divergence-aware regularization, targeted augmentation, contrastive learning) and post-processing (targeted data acquisition) techniques, improving robustness for underrepresented demographics. (2025)

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Teaching

Teachings

Master of Science

Data Science e Tecnologie per le Basi di Dati. A.A. 2024/25, INGEGNERIA INFORMATICA (COMPUTER ENGINEERING). Collaboratore del corso
Data science lab: process and methods. A.A. 2024/25, DATA SCIENCE AND ENGINEERING. Collaboratore del corso
Data Science e Tecnologie per le Basi di Dati. A.A. 2023/24, INGEGNERIA INFORMATICA (COMPUTER ENGINEERING). Collaboratore del corso
Data science lab: process and methods. A.A. 2023/24, DATA SCIENCE AND ENGINEERING. Collaboratore del corso
Data Science e Tecnologie per le Basi di Dati. A.A. 2022/23, INGEGNERIA INFORMATICA (COMPUTER ENGINEERING). Collaboratore del corso
Data Science e Tecnologie per le Basi di Dati. A.A. 2022/23, INGEGNERIA INFORMATICA (COMPUTER ENGINEERING). Collaboratore del corso
Data science lab: process and methods. A.A. 2022/23, DATA SCIENCE AND ENGINEERING. Collaboratore del corso

MostraNascondi A.A. passati

Research

Research groups

DBDM - Database and Data Mining Group (DAUIN)

Publications

Latest publications View all publications in Porto@Iris

Koudounas, Alkis; La Quatra, Moreno; Ciravegna, Gabriele; Fantini, Marco; Crosetti, ... (2025)
MVP: Multi-source Voice Pathology detection. In: Interspeech 2025, Rotterdam (NL), 17-21 August, 2025
Contributo in Atti di Convegno (Proceeding)
Koudounas, Alkis; La Quatra, Moreno; Pastor, Eliana; Marco Siniscalchi, Sabato; Baralis, ... (2025)
"KAN you hear me?" Exploring Kolmogorov-Arnold Networks for Spoken Language Understanding. In: Interspeech 2025, Rotterdam (NL), 17-21 August, 2025
Contributo in Atti di Convegno (Proceeding)
La Quatra, Moreno; Koudounas, Alkis; Mario Salerno, Valerio; Marco Siniscalchi, Sabato (2025)
Exploring Generative Error Correction for Dysarthric Speech Recognition. In: Interspeech 2025, Rotterdam (NL), 17-21 August, 2025
Contributo in Atti di Convegno (Proceeding)
Koudounas, Alkis; Savelli, Claudio; Giobergia, Flavio; Baralis, Elena (2025)
"Alexa, can you forget me?" Machine Unlearning Benchmark in Spoken Language Understanding. In: Interspeech 2025, Rotterdam (NL), 17-21 August, 2025
Contributo in Atti di Convegno (Proceeding)
Cagliero, Luca; Vaiani, Lorenzo; Pastor, Eliana; Koudounas, Alkis; Baralis, Elena; ... (2025)
Detecting and Mitigating Challenges in Zero-Shot Video Summarization with Video LLMs. In: Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics, Vienna (AT), 27Jul - 1 Aug 2025. ISBN: 979-8-89176-256-5
Contributo in Atti di Convegno (Proceeding)