Papers by Hussein Abdallah
Leveraging LLM-GNN Integration for Open-World Question Answering over Knowledge Graphs (2026.eacl-long)
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| Challenge: | Traditional KGQA assumes a closed world where answers must exist in the KG, limiting real-world applicability. |
| Approach: | They propose a system that combines a pre-trained GNN and an LLM for open-world QA. |
| Outcome: | The proposed system outperforms existing LLM–GNN systems on standard benchmarks and GLOW-BENCH, achieving up to 53.3% and an average 38% improvement. |