2 papers
cs.LG2026
Beyond Accuracy: Interpreting Topic Representation in Suicide Ideation Detection Models
Hamideh Ghanadian, Isar Nejadgholi, Hussein Al Osman
Suicide ideation detection models are typically evaluated using aggregate performance metrics, yet little is known about how they internally represent psychologically meaningful ri…
cs.IR2026
Enhancing Scientific Literature Chatbots with Retrieval-Augmented Generation: A Performance Evaluation of Vector and Graph-Based Systems
Hamideh Ghanadian, Amin Kamali, Mohammad Hossein Tekieh
This paper investigates the enhancement of scientific literature chatbots through retrieval-augmented generation (RAG), with a focus on evaluating vector- and graph-based retrieval…