Xian Xingyuan

LLM & Data Agent Engineer — building verifiable agent workflows for data analysis and research.

• 🏆 KDD Cup 2026 Data Agents · Merit Prize · Phase 2A Global Top 7
• 🔍 Focus: LLM Agent, Data Agent, RAG, Text-to-SQL, Agent Evaluation
• 🧩 Stack: Python, LangGraph, DuckDB, FAISS, SQL
• 🌐 Blog: https://blog.ulna520.top/

Featured Projects

• KDD Cup Data Agent — multi-source data analysis agent with process and answer validation.
• Agentic RAG — multi-hop research agent with hybrid retrieval, reranking, evidence grading and evaluation.
• ulbo-astro-theme-template — an Astro-based personal blog theme template, focused on polished design and practical content publishing.