6 papers
EduGuard: A Safe RAG-Based LLM Tutor for Programming Education
S M Asif Hossain, Ruksat Khan Shayoni, M. F. Mridha +1
Generative AI (GenAI) is increasingly used by students for programming explanation, debugging, and assignment support. Yet unrestricted large language model (LLM) tutors can halluc…
CardioMeta: Calibrated Multi-Task Prediction of Diabetes, Hypertension, and Cardiovascular Disease Across Population and EHR Data
S M Asif Hossain, Ruksat Khan Shayoni, M. F. Mridha +1
Cardiometabolic diseases remain among the most persistent drivers of preventable morbidity because diabetes, hypertension, and cardiovascular disease frequently co-occur and share…
EvidentialRAG: Quantifying and Mitigating Information Conflict in Multi-Source Retrieval-Augmented Generation via Evidential Deep Learning
S M Asif Hossain, Ruksat Khan Shayoni, M. F. Mridha
Retrieval-augmented generation grounds large language models in external evidence, but most pipelines still treat retrieved passages as deterministic and mutually consistent contex…
A Multi-Agent LLM Defense Pipeline Against Prompt Injection Attacks
S M Asif Hossain, Ruksat Khan Shayoni, Mohd Ruhul Ameen +3
Prompt injection attacks represent a major vulnerability in Large Language Model (LLM) deployments, where malicious instructions embedded in user inputs can override system prompts…
Beyond Generation: Multi-Hop Reasoning for Factual Accuracy in Vision-Language Models
Shamima Hossain
Visual Language Models (VLMs) are powerful generative tools but often produce factually inaccurate outputs due to a lack of robust reasoning capabilities. While extensive research…
Detecting and Preventing Latent Risk Accumulation in High-Performance Software Systems
Jahidul Arafat, Kh. M. Moniruzzaman, Shamim Hossain +1
Modern distributed systems employ aggressive optimization strategies that create latent risks - hidden vulnerabilities where exceptional performance masks catastrophic fragility wh…