no code implementations • RANLP 2021 • Vaibhav Bajaj, Kartikey Pant, Ishan Upadhyay, Srinath Nair, Radhika Mamidi
Prior works formulate this as a sequence tagging problem or solve this task using a span-based extract-then-classify framework where first all the opinion targets are extracted from the sentence, and then with the help of span representations, the targets are classified as positive, negative, or neutral.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +1
1 code implementation • 20 Oct 2022 • Vaibhav Bajaj, Guni Sharon, Peter Stone
Applying reinforcement learning (RL) to sparse reward domains is notoriously challenging due to insufficient guiding signals.