collaborators

6 papers

cs.CL2025

Verifying Rumors via Stance-Aware Structural Modeling

Gibson Nkhata, Uttamasha Anjally Oyshi, Quan Mai +1

Verifying rumors on social media is critical for mitigating the spread of false information. The stances of conversation replies often provide important cues to determine a rumor's…

cs.CL2025

Mind2: Mind-to-Mind Emotional Support System with Bidirectional Cognitive Discourse Analysis

Shi Yin Hong, Uttamasha Oyshi, Quan Mai +2

Emotional support (ES) systems alleviate users' mental distress by generating strategic supportive dialogues based on diverse user situations. However, ES systems are limited in th…

cs.CL2025

Sarcasm Detection as a Catalyst: Improving Stance Detection with Cross-Target Capabilities

Gibson Nkhata Shi Yin Hong, Susan Gauch

Stance Detection (SD) has become a critical area of interest due to its applications in various contexts leading to increased research within NLP. Yet the subtlety and complexity o…

cs.CL2025

Intermediate-Task Transfer Learning: Leveraging Sarcasm Detection for Stance Detection

Gibson Nkhata, Susan Gauch

Stance Detection (SD) on social media has emerged as a prominent area of interest with implications for social business and political applications thereby garnering escalating rese…

cs.CL2025

Fine-tuning BERT with Bidirectional LSTM for Fine-grained Movie Reviews Sentiment Analysis

Gibson Nkhata, Susan Gauch, Usman Anjum +1

Sentiment Analysis (SA) is instrumental in understanding peoples viewpoints facilitating social media monitoring recognizing products and brands and gauging customer satisfaction.…

cs.CL2025

Sentiment Analysis of Movie Reviews Using BERT

Gibson Nkhata, Usman Anjum, Justin Zhan

Sentiment Analysis (SA) or opinion mining is analysis of emotions and opinions from any kind of text. SA helps in tracking peoples viewpoints and it is an important factor when it…