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Author

Uthayasanker Thayasivam

4 papers indexed here

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Conference Aug 2026

D-IMM: Distributed Iterative Mistake Minimization

As machine learning systems are increasingly deployed on large-scale data, the demand for interpretable and scalable explanation methods has become critical. Existing Explainable AI techniques, particularly for clustering, often struggle with scalability and generalization beyond small, single-node environments. This p...

Inuka Ampavila, Bojitha Liyanage, Salim Marium et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Do LLMs Understand Context? A Knowledge Graph-Based Evaluation Framework

A novel knowledge graph (KG) based evaluation framework for LLM contextual understanding in QA is proposed and central to this is Semantic Structural Similarity for KGs (S3KG), a hybrid similarity measure combining structural and semantic signals into a single score.

Subavarshana Arumugam, Mamta Nallaretnam, K. Wickramasinghe et al. · 0 citations
#natural language process... Preprint Aug 2026

EnSiTa - A Trilingual Multi-Domain Parallel Dataset and Benchmark for Domain-Specific Machine Translation

EnSiTa is presented, a trilingual multi-domain parallel dataset and benchmark for English, Sinhala and Tamil, and is the most extensive systematically documented multi-domain parallel data creation and benchmarking effort for low-resource MT.

Surangika Ranathunga, Nisansa de Silva, Aloka Fernando et al. · 1 citation · ⚡1
#machine learning Preprint Sep 2026

Evaluation of Contextual Understanding in Large Language Models

A novel knowledge graph-based evaluation framework is proposed introducing Semantic Structural Similarity for KGs (S3KG), a hybrid similarity measure integrating structural and semantic similarity into a continuous evaluation score, alongside a diagnostic framework for categorizing reasoning errors.

Subavarshana Arumugam, Mamta Nallaretnam, K. Wickramasinghe et al. · 0 citations

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