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Case Study

Entity Resolution Platform

Enterprise-scale record consolidation and identity resolution with human-level judgement.

Entity resolution
Real-time CDC ingestion
dbt on cloud warehouse
ML matching pipeline
Entity resolution
Real-time CDC ingestion
dbt on cloud warehouse
ML matching pipeline
Entity resolution
Real-time CDC ingestion
dbt on cloud warehouse
ML matching pipeline
Vector similarity
Human-in-the-loop review
Immutable audit trail
Integration SDK & API
Vector similarity
Human-in-the-loop review
Immutable audit trail
Integration SDK & API
Vector similarity
Human-in-the-loop review
Immutable audit trail
Integration SDK & API
The Challenge

Duplicate identities hiding in tens of millions of records

A large, distributed organization maintained tens of millions of person and entity records, accumulated across many independent operating units with no shared identity key between them. The same individual surfaced again and again—under inconsistent spellings, transposed names, differing documents, and partial records. Duplicate identities quietly inflated counts, distorted operational metrics, and created compliance and cost exposure.

Naive exact-key matching missed the vast majority of real overlaps, while purely manual review could not keep pace with the volume—or provide an auditable trail of who decided what and why. The organization needed near-real-time visibility into record changes, probabilistic matching that ranks likely duplicates by confidence, and a governed way for experts to adjudicate—all while keeping its systems of record authoritative and its sensitive data protected.

HumBot Solution

A cloud-native entity-resolution platform

Data & ML Platform Engineers

HumBots embedded as data and ML platform engineers, designing and delivering an end-to-end identity-resolution platform: a change-data- capture feed built with dbt on a cloud warehouse, a machine- learning matching pipeline with vector-similarity search, a ports-and-adapters orchestration API, a human-in-the-loop review workspace, and a versioned SDK for downstream consumers. The entire estate is defined as infrastructure-as-code and promoted across isolated environments through a gated CI/CD pipeline.

Architecture

Cloud-native identity resolution architecture

Real-Time Change Feed

Managed change-data-capture streams records from source registries into a cloud warehouse continuously—no batch ETL, and no load on production systems.

Governed Data Models

Incremental dbt models publish clean, versioned views with generated change markers, so every downstream consumer ingests updates and deletes reliably.

ML Matching & Vector Similarity

A managed ML pipeline blocks, generates candidate pairs, and scores them—backed by a partitioned vector store of embeddings, phonetic keys, and blocking keys for fast lookup.

Orchestration API & Ingestion

A ports-and-adapters service owns the consolidation-run lifecycle, triggers the pipeline idempotently, and drives a self-healing queue-based loader with a readiness gate that prevents silent data loss.

Human-in-the-Loop Review

A side-by-side review workspace ranks candidate pairs by confidence, surfaces per-field evidence, and lets experts lock, confirm, or reject—every decision immutably recorded.

Integration SDK & API

A versioned async SDK and governed API give ML pipelines and downstream tools a single, contract-first surface, with streaming bulk ingestion that stays memory-flat at millions of records.

Engineering

Engineered for precision and scale

Blended, Explainable Scoring

Vector similarity, phonetic and fuzzy name matching, and deterministic attribute agreement combine into per-pair evidence—so every match is explainable, never a black box.

Confidence-Ranked Routing

The model auto-confirms high-confidence duplicates and routes only genuinely ambiguous pairs to reviewers, keeping precision high without burying the team.

Atomic, All-or-Nothing Refresh

A commit watermark and late-binding published views hide partial or failed runs, so consumers always read one fully committed snapshot—no rebuilds, no blue/green swaps.

Self-Healing Pipelines

A readiness gate defers dependent records until prerequisites land, and streamed, keyset-paginated exports keep memory bounded no matter how large the dataset.

Immutable Audit Trail

Model scores, per-field match flags, and every reviewer decision are captured with actor and rationale in immutable tables—defensible end to end.

Non-Invasive by Design

Source systems stay authoritative and untouched; matching runs downstream on replicated, governed data with least-privilege access throughout.

Results

Millions of records, one trusted identity

170M+
Records Reconciled

Tens of millions of person and entity records matched across independently managed registries into a single reconciled view.

Sub-second
Similarity Lookups

Incremental delta scans and per-run delete reconciliation complete in a fraction of a second, even at scale.

300x+
Faster Bulk Reads

Server-side parallel export cut a full-view read from roughly a day to a few minutes—with a fraction of the memory.

70%+
Less Manual Review

Confidence ranking and automated blocking let reviewers focus only on genuinely ambiguous cases instead of the full population.

Business Impact

Outcomes that compound

A Trusted Single Source of Truth

Fragmented, overlapping entries collapse into one reliable identity per person, giving every team the same source of truth.

Audit-Ready Governance

Every decision, evidence payload, and mutation is captured with actor and rationale—the accountability regulated environments demand.

Faster, Cheaper Reviews

Confidence scoring concentrates scarce expert attention on ambiguity, cutting review effort and cost while improving consistency.

Scales Without Re-Architecture

Streaming ingestion, incremental transforms, and serverless auto-scaling absorb growth into the tens of millions of records—no redesign.

A Reusable Platform

A versioned SDK and change-feed contract let new registries and downstream tools integrate against a stable surface—a bespoke build becomes a product.

Security & Privacy by Design

Least-privilege access, encryption everywhere, private networking, and multi-tenant scoping protect sensitive identity data at every layer.

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