Tag:semantic layer
Articles tagged "semantic layer".
- 6 MIN READ•Feb 18, 2026
What Is a Semantic Layer? Definition, Parts, and Examples
A semantic layer maps raw tables and columns to business terms and metrics so every BI tool and AI agent gets the same answer. Learn what it contains.
semantic layerdata engineeringdata lakehouse - 32 MIN READ•Jul 6, 2026
Agentic AI Standards in 2026: MCP vs A2A and the Full Stack
MCP connects agents to tools; A2A connects agents to each other. A 2026 map of agentic AI standards: MCP, A2A, WebMCP, Apache Ossie (OSI), and agent payments.
Apache Icebergdata engineeringlakehouse architecture - 31 MIN READ•Oct 5, 2026
Release Management for Data Agents: Shipping Prompts, Tools, Models, and Metrics Without Breaking Answers
Ship prompts, tools, models, and metric changes without breaking answers: agent manifests, shadow mode, canaries, and rollback.
release managementAI agentsevaluation - 31 MIN READ•Oct 5, 2026
Semantic Caching for Data Agents Without Serving Stale or Leaked Numbers
Cache data agent results safely with canonical query keys, Iceberg snapshot freshness checks, and permission-aware cache keys.
cachingAI agentsApache Iceberg - 32 MIN READ•Oct 5, 2026
Small Language Models for Data Agents: Where They Win and Where They Fail
Where small language models win inside a data agent and where they fail, plus a routing architecture that escalates only when needed.
small language modelsAI agentssemantic layer - 31 MIN READ•Sep 28, 2026
Turning an Analytics Question Into a Verified Agentic Graph
A complete AGS 1.0 graph for governed metric questions, with verification gates, deterministic check scripts, and reconciliation against a semantic layer.
AI AgentsAgentic Graph SpecificationMulti-Agent - 31 MIN READ•Sep 28, 2026
Twelve Queries That Pass Every Schema Check and Still Return the Wrong Number
Twelve query patterns that pass schema validation and still return wrong numbers, with detectors, required metadata, and tested code for each.
AI AgentsSemantic LayerData Quality - 31 MIN READ•Sep 21, 2026
How Apache Ossie Is Deciding What Agents and BI Tools Can Ask a Semantic Layer
How Apache Ossie's layered query design gives AI agents both a constrained dimensional interface and a grain-safe SQL interface for semantic layers.
Semantic LayerApache OssieAI Agents - 31 MIN READ•Sep 10, 2026
Agentic Data Architecture
A six-layer reference architecture for agents on company data: planners, tool boundaries, identity, the semantic layer, and what breaks when a layer is missing.
Agentic AIdata architecturesemantic layer - 31 MIN READ•Sep 10, 2026
Context Engineering for Data Agents
Why text-to-SQL accuracy collapses on enterprise schemas, the five kinds of context an agent needs, where each one hides, and how to make the semantics legible.
context engineeringsemantic layertext-to-SQL - 31 MIN READ•Aug 25, 2026
Apache Ossie and Apache Polaris: Putting Semantic Models in the Open Catalog
Apache Ossie and Polaris put metric definitions in the open catalog. What the spec covers, what Polaris stores, and what is still unfinished.
Apache OssieApache Polarissemantic layer - 31 MIN READ•Aug 25, 2026
Metric Contracts in Code: Testing, Versioning, and Serving Business Logic to Multi-Agent Systems
Metric contracts in code let teams test, version, and serve business logic to multi-agent systems without each agent inventing its own SQL.
metricsAI agentssemantic layer