The Modern AI Document Intelligence Architecture

Enterprise Ingestion, Metadata Enrichment, Hybrid Retrieval, Reranking & Observability

The Modern AI Document Intelligence Architecture Enterprise Ingestion, Metadata Enrichment, Hybrid Retrieval, Reranking & Observability Enterprise Sources · SharePoint, S3, Confluence & PDFs · Architecture component · sources Enterprise Sources SharePoint, S3, Confluence & PDFs sources Layout-Aware Parser · Table extraction & clean OCR · Governed Enterprise Document Intelligence Environment › Data Ingestion & Enrichment Pipeline · extraction Layout-Aware Parser Table extraction & clean OCR extraction Embedding Engine · Domain-tuned dense vectors · Governed Enterprise Document Intelligence Environment › Data Ingestion & Enrichment Pipeline · embeddings Embedding Engine Domain-tuned dense vectors embeddings Chunking & Enrichment · Section-aware + ACL metadata · Governed Enterprise Document Intelligence Environment › Data Ingestion & Enrichment Pipeline · enrichment Chunking & Enrichment Section-aware + ACL metadata enrichment Identity & ACL Provider · Document permissions directory · Governed Enterprise Document Intelligence Environment › Data Ingestion & Enrichment Pipeline · security Identity & ACL Provider Document permissions directory security Hybrid Index Storage · Dense vectors + BM25 keyword index · Governed Enterprise Document Intelligence Environment › Hybrid Search & Serving Runtime · storage · Elasticsearch Hybrid Index Storage Dense vectors + BM25 keyword index storage Knowledge Copilot UI · Grounded answers with citations · Governed Enterprise Document Intelligence Environment › Hybrid Search & Serving Runtime · consumer Knowledge Copilot UI Grounded answers with citations consumer Hybrid Retriever · Reciprocal Rank Fusion (RRF) · Governed Enterprise Document Intelligence Environment › Hybrid Search & Serving Runtime · retrieval Hybrid Retriever Reciprocal Rank Fusion (RRF) retrieval Foundation LLM · Context assembly & synthesis · Governed Enterprise Document Intelligence Environment › Hybrid Search & Serving Runtime · generation · Anthropic Foundation LLM Context assembly & synthesis generation Cross-Encoder Reranker · Context relevance scoring · Governed Enterprise Document Intelligence Environment › Hybrid Search & Serving Runtime · reranking Cross-Encoder Reranker Context relevance scoring reranking RAG Observability · Faithfulness, latency & feedback · Governed Enterprise Document Intelligence Environment › Hybrid Search & Serving Runtime · observability · Datadog RAG Observability Faithfulness, latency & feedback observability Raw files Clean structure Dense vectors Access roles Vectors + metadata User query & role Hybrid candidates Top passages Reranked context Answer + citations Traces & metrics Governed Enterprise Document Intelligence Environment Data Ingestion & Enrichment Pipeline Hybrid Search & Serving Runtime Legend Frontend Backend Database Cloud Security External