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Hizkiel Mitiku Alemayehu

3 accepted papers

2025

A Case Against Implicit Standards: Homophone Normalization in Machine Translation for Languages that use the Ge’ez Script.

EMNLP 2025

Homophone normalization–where characters that have the same sound in a writing script are mapped to one character–is a pre-processing step applied in Amharic Natural Language Processing (NLP) literature. While this may improve performance reported by automatic metrics, it also results in models that

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2024

Error Analysis of Multilingual Language Models in Machine Translation: A Case Study of English-Amharic Translation

EMNLP 2024main

Multilingual large language models (mLLMs) have significantly advanced machine translation, yet challenges remain for low-resource languages like Amharic. This study evaluates the performance of state-of-the-art mLLMs, specifically NLLB-200 (NLLB3.3, NLLB1.3 Distilled1.3, NLB600) and M2M (M2M1.2B, M…

2020

Exploring Amharic Sentiment Analysis from Social Media Texts: Building Annotation Tools and Classification Models

COLING 2020main

This paper presents the study of sentiment analysis for Amharic social media texts. As the number of social media users is ever-increasing, social media platforms would like to understand the latent meaning and sentiments of a text to enhance decision-making procedures. However, low-resource languag…