8 papers
ClusterRAG: Cluster-Based Collaborative Filtering for Personalized Retrieval-Augmented Generation
Gibson Nkhata, Uttamasha Anjally Oyshi, Quan Mai +1
Personalized Retrieval-Augmented Generation (RAG) relies on accurately selecting user-relevant documents. In practice, existing RAG approaches often suffer from high retrieval cost…
Causal Analysis of Author Demographics in Academic Peer Review
Uttamasha Anjally Oyshi, Gibson Nkhata, Susan Gauch
Academic meritocracy is jeopardized by systematic imbalances; for example, whereas Black and Hispanic individuals constitute over 30% of the U.S. population, they represent fewer t…
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…
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…
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…
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…