Maimoona Qayyum

Answerability-Aware Retrieval-Augmented Generation for Enterprise Helpdesk Question Answering: An Empirical Study of Similarity Thresholds and Grounding Strategies

Retrieval-augmented generation (RAG) systems can improve question answering by grounding large language model responses in external documents. However, enterprise deployments require not only relevant answers but also reliable abstention when the available knowledge base lacks sufficient evidence. This study investigat...