Omar Sharif

Theme-driven Keyphrase Extraction to Analyze Social Media Discourse

2023 · arXiv (Cornell University)

Social media platforms are vital resources for sharing self-reported health experiences, offering rich data on various health topics. Despite advancements in Natural Language Processing (NLP) enabling large-scale social media data analysis, a gap remains in …

Explicit, Implicit, and Scattered: Revisiting Event Extraction to Capture Complex Arguments

2024 · arXiv (Cornell University)

Prior works formulate the extraction of event-specific arguments as a span extraction problem, where event arguments are explicit -- i.e. assumed to be contiguous spans of text in a document. In this study, we revisit …