Author

Prasan Yapa

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#artificial intelligence Preprint Oct 2026

ConvoDrift: A Multi-Turn Conversational Dataset for Modeling Stylistic Tone Evolution

The evolution of linguistic style in conversations is an underexplored issue in NLP. Most style-control datasets focus on sentences or assume a static style throughout, missing the dynamic shifts that occur as user preferences change during interactions. We introduce ConvoDrift, a dataset designed to model progressive...

Vihindi Kotalawala, Pamoda Dilranga, Gayani Thoradeniya et al. · 0 citations

Open access Aug 2026

SOFIA: a knowledge-infused prompt-based reasoning framework for anxiety screening in social media

SOFIA (Anxious? SOFten-It-Out) is introduced, a novel prompt-based reasoning framework that enhances PLM capability for binary AD without full fine-tuning and highlights SOFIA's effectiveness as a scalable, low-resource, and knowledge-informed framework for digital mental health screening applications.

A. Senanayake, P. Yapa, S. Liyanage · Frontiers in Digital Health · 0 citations