Agentic AI Reference Architecture

Experience · Data store

User Activity History Store

Data storeExperienceExperience & Human Oversightarc:UserActivityHistoryStore

A store of each user's recent and frequently invoked commands and interactions, used to personalise the ranking of agent suggestions.

Responsibility. Records per-user action history for suggestion ranking.

Also known as: Recent command history, Viewing history, Engagement history, Recent interaction state

is read byis read byis read byis written byis read byis read byis read byBehavioral Signal Tracker: is read byBehavioral Signal TrackerUser Need Predictor: is read byUser Need PredictorAction Suggestion Engine: is read byAction Suggestion EngineCommand Palette with Agent Suggestions: is written byCommand Palette with Age…Contextual Weight Adapter: is read byContextual Weight AdapterIntervention Timing Optimizer: is read byIntervention Timing Opti…Markov State Augmenter: is read byMarkov State Augmenter
Direct neighbourhood (hover for relationship types)

Relationships

is read by dependency

is written by dependency

Classification

Quality attributes
Flexibility (ISO/IEC 25010)

Sources

  1. Ch1.1A: T. Nguyen, "Designing User Interfaces for Intuitive Human-Agent Interaction," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 1.1A. ISBN: 9798244538229.
  2. Ch5.10: T. Nguyen, "Utility-Based Decision Making Fundamentals," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 5.10. ISBN: 9798244538229.
  3. 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.