Context Plane
Epistom
"What does this data mean?"
Give AI agents hallucination-free understanding of your enterprise data — before any query runs. Epistom routes every question through a 14-stage pipeline, 11 stages deterministic.
Get a DemoFeatures
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Virtual Knowledge Graph
OWL 2 QL ontology maps business concepts to database schemas. AI gets definitions, not column names.
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NLQ to SQL Pipeline
14-stage pipeline. 11 deterministic stages. 99%+ accuracy on enterprise databases.
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2,300+ Verified Queries
Certified SQL patterns. Zero LLM needed for known questions — sub-millisecond.
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SQL Validation Gate
Every table and column checked against live schema before execution.
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Semantic Drift Detection
Schema changes auto-degrade AI confidence scores. Agents warned automatically.
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Calibrated Abstention
Says 'I don't know' instead of hallucinating. Confidence-gated on every query.
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Multi-Turn Conversations
Entity tracking, pronoun resolution, and full session context across agent runs.
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Self-Correcting Queries
Auto-retry on SQL errors and zero-row anomalies with semantic anomaly detection.
Data Sources
Connect Any Data Source
Snowflake
PostgreSQL
BigQuery
MySQL
MongoDB
Redshift
Athena
Databricks
Oracle
SQL Server