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Hansi Hettiarachchi

3 accepted papers

2025

MUSTS: MUltilingual Semantic Textual Similarity Benchmark

ACL 2025short

Predicting semantic textual similarity (STS) is a complex and ongoing challenge in natural language processing (NLP). Over the years, researchers have developed a variety of supervised and unsupervised approaches to calculate STS automatically. Additionally, various benchmarks, which include STS dat…

2025

Sinhala Encoder-only Language Models and Evaluation

ACL 2025long

Recently, language models (LMs) have produced excellent results in many natural language processing (NLP) tasks. However, their effectiveness is highly dependent on available pre-training resources, which is particularly challenging for low-resource languages such as Sinhala. Furthermore, the scarci…

2024

NSina: A News Corpus for Sinhala

COLING 2024main

The introduction of large language models (LLMs) has advanced natural language processing (NLP), but their effectiveness is largely dependent on pre-training resources. This is especially evident in low-resource languages, such as Sinhala, which face two primary challenges: the lack of substantial t…

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