# Enterprise Knowledge Base - Layered Architecture

Consumer Interfaces
AI Consumers
Internal Chatbots
GitHub Copilot
Automation Agents
Customer AI
Human Consumers
Employee Portal
Search UI
Mobile App
Admin Console
API Gateway
Gateway Services
Authentication
Rate Limiting
API Endpoints
REST API
GraphQL API
Streaming API
Webhook Handler
RAG Engine
Query Processing
Query Parser
Intent Classifier
Query Expander
Retrieval Pipeline
Hybrid Search
Semantic Ranker
Context Builder
Generation
Prompt Engine
LLM Router
Citation Generator
Knowledge Processing
Ingestion Pipeline
Source Connectors
Document Parser
Content Cleaner
Embedding Pipeline
Chunking Engine
Embedding Model
Index Manager
Knowledge Services
Graph Builder
Freshness Checker
Metadata Enricher
Data Storage
Vector Storage
🗄️Pinecone/Milvus
📊Vector Index
Document Storage
🐘PostgreSQL
☁️S3/Blob Store
Knowledge Graph
🕸️Neo4j/Neptune
🔗Graph Index