Insights23 min read
The Missing Layer: A Structural Gap in the AI Infrastructure Stack
by Jaepil Jeong | April 10, 2026
Between models and hardware lies an invisible structural gap — a data layer that should exist but doesn't. We examine why the current AI infrastructure stack is fragmented, why this is a structural problem rather than a transitional one, and what conditions a proper solution must satisfy. We then present UQA and the Cognica engine as one concrete response to these conditions.
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Tech5 min read
Graph Queries in a Unified Database: From Cypher to Posting Lists
by Jaepil Jeong | March 26, 2026
Graph databases solve relationship-heavy problems elegantly, but adding a separate graph system alongside your relational database creates operational complexity. We explain how Cognica integrates graph queries into its unified algebra, enabling Cypher and SQL to compose in a single transaction without data duplication.

