Author

Han-Ya Sun

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#natural language process... Preprint Sep 2026

InsightChain: Optimized Chain-of-Insight Analytics for LLM-driven Data Visualization

This work presents InsightChain, a four-stage visualization prompting pipeline that emulates expert analytical workflows, together with VG-COPRO, a vision-guided automatic prompt optimization (APO) method adapted to jointly optimize such multi-stage, executable pipelines.

Han-Ya Sun, Chen Zhang, Sheng Liang et al. · 0 citations