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Chien Pham Quang

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Conference Jul 2026

PhoBERT: Long-Document Sentiment Analysis in Vietnamese with Sparse Attention

The rapid growth of user-generated content on Vietnamese e-commerce platforms (Tiki, Google Play) has created an urgent need for accurate sentiment analysis of long documents (>256 tokens). However, existing Vietnamese Transformer models like PhoBERT are limited by the 256-token input limit, leading to a loss of contex...

Hau Than Phuc, T. Thanh, Tuan Phan Do Thanh et al. · 0 citations

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