João Leite

Exception-Based Knowledge Updates

2017 · arXiv (Cornell University)

Existing methods for dealing with knowledge updates differ greatly depending on the underlying knowledge representation formalism. When Classical Logic is used, updates are typically performed by manipulating the knowledge base on the model-theoretic level. On …

Noisy Self-Training with Data Augmentations for Offensive and Hate Speech Detection Tasks

2023 · arXiv (Cornell University)

Online social media is rife with offensive and hateful comments, prompting the need for their automatic detection given the sheer amount of posts created every second. Creating high-quality human-labelled datasets for this task is difficult …