3 papers
cs.CR2026
ReliabilityRAG: Effective and Provably Robust Defense for RAG-based Web-Search
Zeyu Shen, Basileal Imana, Tong Wu +3
Retrieval-Augmented Generation (RAG) enhances Large Language Models by grounding their outputs in external documents. These systems, however, remain vulnerable to attacks on the re…
cs.CY2025
External Evaluation of Discrimination Mitigation Efforts in Meta's Ad Delivery
Basileal Imana, Zeyu Shen, John Heidemann +1
The 2022 settlement between Meta and the U.S. Department of Justice to resolve allegations of discriminatory advertising resulted is a first-of-its-kind change to Meta's ad deliver…
cs.CY2025
Auditing for Bias in Ad Delivery Using Inferred Demographic Attributes
Basileal Imana, Aleksandra Korolova, John Heidemann
Auditing social-media algorithms has become a focus of public-interest research and policymaking to ensure their fairness across demographic groups such as race, age, and gender in…