Papers with graph-level representations
Semantic Graphs for Generating Deep Questions (2020.acl-main)
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| Challenge: | Existing research has focused on generating factoid questions relevant to one fact obtainable from a single sentence. |
| Approach: | They propose a framework that first constructs a semantic-level graph and then encodes it by introducing an attention-based GGNN. |
| Outcome: | The proposed framework captures the global structure of the document and facilitates reasoning over multiple facts. |
RouterHGC: Optimized Router for LLM-based Multi-Agent Systems via Heterogeneous Graph Contrastive Learning (2026.findings-acl)
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| Challenge: | Large Language Models (LLMs)-driven Multi-Agent Systems (MAS) have demonstrated remarkable scalability and generalizability across complex tasks. |
| Approach: | They propose a new framework for routing using large language models . they formalize routing as node selection through edge-weight prediction . |
| Outcome: | The proposed framework outperforms the best single LLM and baselines on five datasets . it achieves 0.80%–6.17% accuracy gains on MATH and HotpotQA while reducing inference cost by 27.40%. |