IF-GEO: Conflict-Aware Instruction Fusion for Multi-Query Generative Engine Optimization

Heyang Zhou, Jiajia Chen, Xiaolu Chen, Jie Bao, Zhen Chen, Yong Liao


Abstract
As Generative Engines revolutionize information retrieval by synthesizing direct answers from retrieved sources, ensuring source visibility becomes a significant challenge. Improving it through targeted content revisions is a practical strategy termed Generative Engine Optimization (GEO). However, optimizing a document for diverse queries presents a constrained optimization challenge where heterogeneous queries often impose conflicting and competing revision requirements under a limited content budget. To address this challenge, we propose IF-GEO, a "diverge-then-converge" framework comprising two phases: (i) mining distinct optimization preferences from representative latent queries; (ii) synthesizing a Global Revision Blueprint for guided editing by coordinating preferences via conflict-aware instruction fusion. To explicitly quantify IF-GEO’s objective of cross-query stability, we introduce risk-aware stability metrics. Experiments on multi-query benchmarks demonstrate that IF-GEO achieves substantial performance gains while maintaining robustness across diverse retrieval scenarios.
Anthology ID:
2026.findings-acl.1373
Volume:
Findings of the Association for Computational Linguistics: ACL 2026
Month:
July
Year:
2026
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San Diego, California, United States
Editors:
Maria Liakata, Viviane P. Moreira, Jiajun Zhang, David Jurgens
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Findings
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Publisher:
Association for Computational Linguistics
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Pages:
27576–27590
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https://preview.aclanthology.org/ingest-acl/2026.findings-acl.1373/
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Cite (ACL):
Heyang Zhou, Jiajia Chen, Xiaolu Chen, Jie Bao, Zhen Chen, and Yong Liao. 2026. IF-GEO: Conflict-Aware Instruction Fusion for Multi-Query Generative Engine Optimization. In Findings of the Association for Computational Linguistics: ACL 2026, pages 27576–27590, San Diego, California, United States. Association for Computational Linguistics.
Cite (Informal):
IF-GEO: Conflict-Aware Instruction Fusion for Multi-Query Generative Engine Optimization (Zhou et al., Findings 2026)
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