Memory · Data store

Working Memory Fact Store

Data storeMemoryCognition & Memoryarc:WorkingMemoryFactStore

A session-scoped store of case facts, derived intermediate conclusions with certainty factors, and goal status that rules pattern-match against during one reasoning session.

Responsibility. Holds the situation-specific facts and reasoning state for the current case until the session ends.

Also known as: Working memory, Fact base

Direct neighbourhood (hover for relationship types)

Relationships

is read by dependency

Symbolic Logic Engine Ch5.11

is written by dependency

Design guidance

MUST reset between reasoning sessions so one customer's or patient's facts cannot contaminate another's reasoning.
SHOULD index facts for fast pattern lookup as the fact set grows.
MAY persist facts across conversation turns within one session.

Classification

Patterns: Fact assertion/retractionCertainty factorsFact indexing (hash tables)Goal stackPer-session reset
Risks mitigated: Cross-session fact contaminationPerformance degradation from unbounded fact growth

Sources

Ch5.11: T. Nguyen, "Rule-Based Decision Making Fundamentals," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 5.11. ISBN: 9798244538229.