STBA: span-based tagging scheme with biaffine attention for enhanced aspect sentiment triplet extraction

X Xiao, B Gao, Z Su, L Li, Y Li, S Liu, Z Liu - Pattern Analysis and …, 2024 - Springer
In fine-grained sentiment analysis, a burgeoning and exceptionally challenging subtask is
Aspect Sentiment Triplets Extraction (ASTE). This task aims to extract aspect terms, and …