Agentic AI Reference Architecture

Knowledge & Data · Software component

Knowledge-Base Entity Linker

Software componentKnowledge & DataKnowledge & Dataarc:KnowledgeBaseEntityLinker

An entity linker that resolves mentions to identifiers in a reference knowledge base using an entity linking service.

Responsibility. Resolves mentions to reference knowledge-base identifiers.

Also known as: Entity Linking Service

Variant of Entity Linker abstract

When to choose. Choose for high-precision requirements; resolves mentions to knowledge-base IDs via an entity linking service.

specializesreadsis target of alternativeToEntity Linker: specializesEntity LinkerEntity Reference Catalog: readsEntity Reference CatalogFuzzy-Match Entity Linker: is target of alternativeToFuzzy-Match Entity Linker
Direct neighbourhood (hover for relationship types)

Relationships

reads dependency

alternative to variability

Classification

Technologies
Google Cloud Entity AnalysisMicrosoft Text AnalyticsspaCy Entity Linker
Quality attributes
Functional suitability: correctness and validity (ISO/IEC 25010 | NIST AI RMF: valid)
Risks mitigated
Graph fragmentation

Sources

  1. Ch1.7B: T. Nguyen, "Relational Reasoning with Knowledge Graphs - Hybrid RAG+KG Integration," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 1.7B. ISBN: 9798244538229.