Model Performance & Statistical Evaluation

Empirical Validation Metrics, PostGIS Spatial Index Status & Auditable Fusion Specifications

Precision@K=5 Location88.4%Top-5 Candidate Recall
Mean Distance Error1.42 kmGeospatial Proximity Offset
Mean Time Window Error0.65 Hours39 Minutes Window Shift
Temporal PDF Integration91.2%Probability Density Fit

PostGIS Spatial Database StatusONLINE

PostGIS Extension:PostGIS 3.4 ACTIVE
Spatial Index Type:GIST (atm_location_geom_idx)
Coordinate Reference System:EPSG:4326 (WGS 84)
Indexed ATM Nodes:120 Spatial Points

Neo4j Graph Database Driver StatusREADY

Schema Constraints:8 Node Types • 6 Relationships
Driver Protocol:bolt://localhost:7687
Fallback Engine:Standalone In-Memory Graph Driver
Neutral Risk Standard:Zero Criminal Labeling Policy

Auditable Fusion Weight Specification (fusion_config.json v1.0.0)

SUM = 100%
Risk Signal ComponentWeight %Mathematical Formula / Kernel
ML Location Prediction25%Exponential spatial decay kernel K = exp(-0.2d)
Temporal Prediction20%Exponential time-lag PDF f(t) = lambda * exp(-lambda*t)
Historical Risk15%Historical ATM cash-out frequency & risk rating
Geospatial Risk15%DBSCAN spatial cluster density rating
Transaction Behaviour15%Financial loss magnitude & multi-hop velocity
Graph-Derived Risk10%Mule account fan-in degree & layering hops