3 papers
cs.CL2026
Query-Side Attacks on GNN-Based KGQA: Tracing Failures from Entity Linking to Answer Generation
Pankaj Kumar, Subhankar Mishra
GNN-based Knowledge Graph Question Answering (KGQA) pipelines process queries through four discrete stages: entity linking, subgraph retrieval, GNN reasoning, and answer generation…
cs.AI2026
Attacking Graph Foundation Models Through Their Shared Representation
Pankaj Kumar, Subhankar Mishra
A graph foundation model generalizes across graph domains by mapping every input into one shared representation before any task reasoning. We call this map the alignment layer, the…
cs.CL2025
Robustness in Large Language Models: A Survey of Mitigation Strategies and Evaluation Metrics
Pankaj Kumar, Subhankar Mishra
Large Language Models (LLMs) have emerged as a promising cornerstone for the development of natural language processing (NLP) and artificial intelligence (AI). However, ensuring th…