collaborators

7 papers

cs.LG2026

Causally Fair Node Classification on Non-IID Graph Data

Yucong Dai, Lu Zhang, Yaowei Hu +2

Fair machine learning seeks to identify and mitigate biases in predictions against unfavorable populations characterized by demographic attributes, such as race and gender. Recent…

cs.IR2026

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…

cs.AI2026

Fair Learning for Bias Mitigation and Quality Optimization in Paper Recommendation

Uttamasha Anjally Oyshi, Susan Gauch

Despite frequent double-blind review, demographic biases of authors still disadvantage the underrepresented groups. We present Fair-PaperRec, a MultiLayer Perceptron (MLP)-based mo…

cs.CY2026

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…

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…