Agentic AI Reference Architecture

Memory · Data store

User Exception Catalog

Data storeMemoryCognition & Memoryarc:UserExceptionCatalog

A per-user long-term store of special and edge cases from prior interactions where standard assumptions failed and user-specific exceptions apply.

Responsibility. Preserves user-specific exceptions to default assumptions.

Also known as: Exception catalog, Edge-case memory

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Direct neighbourhood (hover for relationship types)

Relationships

is read by dependency

is written by dependency

Classification

Patterns
Hierarchical long-term memory
Risks mitigated
Repeating errors on known user-specific exceptions

Sources

  1. Ch10.2: T. Nguyen, "Proactive Agents," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 10.2. ISBN: 9798244538229.