In this chapter: System architecture, person data schemas, family relationship graphs, and 4-phase implementation.
Core fields: personId (UUID), names (array with language variants), birthDate (approx), birthPlace, gender, biometricData (DNA, photos), documents, relationships, searchCriteria, privacy settings.
Graph database structure representing family trees. Nodes: persons. Edges: relationships (parent, child, sibling, spouse) with confidence scores and verification status.
Standard format: SNP markers, Y-DNA haplogroups, mtDNA sequences, autosomal DNA segments. Privacy-preserving hashed format for matching without exposing raw genetic data.
Schema for refugee registration, war separation records, adoption documents, government records. Includes OCR text, document images, metadata, and cross-references.