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Investigation Summary
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Evidence
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Recommended Action
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Governance Gate
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Relationship Subgraph — TigerGraph 2-Hop
Flagged Txn
Customer
Card
Device
Historical Case
Evidence Ledger
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Executive Summary & Stop Reason
RAVEL AGENT
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STOP REASON
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Uncertainty & Decision Readiness
NOT READY
Fraud Risk Probability—
Bayesian Confidence—
Graph Completeness—
Next Best Actions & Governance
GOVERNED
Policy shift:
nothing detected
Evidence Value Optimizer — EIG & Information Gain
H(S) = —
Shannon binary entropy reduction: ranks candidate investigation steps by expected information gain (EIG) relative to inquiry cost and customer friction before querying TigerGraph.
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Counterfactual Engine — Pareto Trade-off Analysis
Decision Theory
Evaluates trade-offs across Loss Prevented vs Customer Friction vs Compliance Risk to find Pareto-optimal interventions.
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14-State Investigation Lifecycle
AUTONOMOUS AUDIT TRAIL
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Lifecycle Transition Log
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