AsiaInfo Technology: New Tech Exploration

Oct 14, 2026 · Artificial Intelligence

AI Coding in Legacy Systems: First Build a Queryable Repository Knowledge Layer

The article argues that AI coding in legacy systems fails due to missing cross-module context, proposing a queryable repository knowledge layer that links code structure, business rules, and engineering conventions via graph-structured retrieval, and validates its trade-offs through dependency misuse, defect escape, and graph accuracy metrics.