One Semantic Layer
Ontology, mapping & semantic services
Browse domain ontology (L3→L5), inspect concept–table mappings, and preview NL → SPARQL → SQL semantic query.
Version
main · v1.4.2
1 proposal branch pending
NL → SPARQL → SQL
Graph RAG
OBQC
HerminT / SHACL
Concept Detail & Mapping
Semantic Query
Natural language → SPARQL → SQL (prototype)
OBQC validates ontology binding before SQL
Knowledge Graph
Entity–relation preview
Order
Dealer
Vehicle
Customer
Semantic API
Agent-ready REST entry
/v1/semantic/query
POST/v1/ontology/concepts
GET/v1/kg/path
GET