Build rule and similarity detectors
Maintain a shared vector library for deterministic fraud signals and embedding-based similarity search.
Shared Address + IP Reuse
Flags rental assistance applications when the same service address and submission IP appear repeatedly within a review window.
Organized Fraud Similarity Cluster
Compares normalized rental assistance application fingerprints against a confirmed fraud corpus of template reuse and payment-risk cases.
Digital Gift Card + Tax Return
High-confidence vector derived from audit findings: digital gift card payment combined with tax return documentation.
Go2Bank / Green Dot + Utility Template
Escalates applications using high-risk routing numbers paired with utility-bill documentation or duplicated utility templates.
Compose AND/OR logic for deterministic signals
This editor is front-end only in the scaffold. Persist the payload through POST /api/vectors.
{
"logic": "AND",
"conditions": [
{
"id": "cond-1",
"column": "signal:street_address",
"operator": "contains",
"value": "juniper"
},
{
"id": "cond-2",
"column": "signal:ip_address",
"operator": "equals",
"value": "66.41.14.22"
}
]
}Configure embedding search
Similarity vectors reference a corpus tag and a score threshold, then use pgvector search to find historical analogs.
{
"type": "similarity",
"config": {
"threshold": 0.83,
"corpusTag": "multi-household-ring"
}
}