Precedent Case Retriever

Software componentKnowledge & DataKnowledge & Dataarc:PrecedentCaseRetriever

A retrieval component that finds the most similar previously decided cases, with their final outcomes and reviewer reasoning, using similarity over case characteristics and demographics, to contextualize a current decision.

Responsibility. Retrieves comparable historical cases and their outcomes for a current decision.

Also known as: Historical comparison panel, Precedent case display, Similar case retrieval

Direct neighbourhood (hover for relationship types)

Relationships

is invoked by dependency

reads dependency

Decision Outcome History Store Ch10.5

sends data to dynamic

Explanation Presenter Ch10.5

Design guidance

SHOULD select precedents on genuinely relevant similarity (content characteristics and demographics), not superficial similarity.

Quantitative guidance

As stated by the sources; verify before use.

Diagnostic example retrieves the five most similar historical cases (Ch10.5).

Classification

Patterns: Case-based comparisonSimilarity metrics over content and demographics
Quality attributes: Reliability (ISO/IEC 25010 | NIST AI RMF: valid and reliable)Explainability (NIST AI RMF: explainable and interpretable)
Risks mitigated: Inconsistent policy applicationSuperficial visual similarity matches

Sources

Ch10.5: T. Nguyen, "Human-over-the-Loop," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 10.5. ISBN: 9798244538229.