collaborators

5 papers

cs.CL2026

From Monolingual to Multilingual: Evaluating Mamba for ASR in South African Languages

Jesujoba O. Alabi, Julian Herreilers, Badr M. Abdullah +1

Recent advances in automatic speech recognition (ASR) have explored different sequence models, including Conformer-based models and newer state space models such as Mamba. Although…

cs.CL2026

Ethio-ASR: Joint Multilingual Speech Recognition and Language Identification for Ethiopian Languages

Badr M. Abdullah, Israel Abebe Azime, Atnafu Lambebo Tonja +14

We present Ethio-ASR, a suite of multilingual CTC-based automatic speech recognition (ASR) models jointly trained on five Ethiopian languages: Amharic, Tigrinya, Oromo, Sidaama, an…

cs.CL2025

It's Not a Walk in the Park! Challenges of Idiom Translation in Speech-to-text Systems

Iuliia Zaitova, Badr M. Abdullah, Wei Xue +3

Idioms are defined as a group of words with a figurative meaning not deducible from their individual components. Although modern machine translation systems have made remarkable pr…

cs.CL2025

Voice Conversion Improves Cross-Domain Robustness for Spoken Arabic Dialect Identification

Badr M. Abdullah, Matthew Baas, Bernd Möbius +1

Arabic dialect identification (ADI) systems are essential for large-scale data collection pipelines that enable the development of inclusive speech technologies for Arabic language…

cs.CL2025

Attention on Multiword Expressions: A Multilingual Study of BERT-based Models with Regard to Idiomaticity and Microsyntax

Iuliia Zaitova, Vitalii Hirak, Badr M. Abdullah +3

This study analyzes the attention patterns of fine-tuned encoder-only models based on the BERT architecture (BERT-based models) towards two distinct types of Multiword Expressions…