Identity Linking Identity Linking An Alternative to Merging An Alternative to Merging A comprehensive model for A comprehensive model for sharing genealogical evidence sharing genealogical evidence extracts and extracts and conclusions-in-progress conclusions-in-progress Bill Harten Bill Harten UNIconnect UNIconnect bill.harten@uniconnect.com bill.harten@uniconnect.com
Match Merge Match Merge The single-valued, ideal view requires us to make The single-valued, ideal view requires us to make unfounded decisions that merge identities merge identities unfounded decisions that arbitrarily, without justification. arbitrarily, without justification. This replaces true ambiguity with false simplicity. This replaces true ambiguity with false simplicity.
Conclusion-only Conclusion-only Databases Databases • A conclusion-only database offers no basis for A conclusion-only database offers no basis for future evidence evaluation: no researcher can future evidence evaluation: no researcher can build on the work published by another. build on the work published by another.
The Challenge The Challenge How to represent evidence evidence and and conflicting conflicting How to represent conclusions in in collaboration collaboration conclusions
Three Essential Views Three Essential Views 1. Evidence: identity identity 1. Evidence: 2. Matching identities with possible conflicts: 2. Matching identities with possible conflicts: individual individual 3. Single-valued, dynamically-assembled best view best view 3. Single-valued, dynamically-assembled with simple conflict resolution. with simple conflict resolution.
Technology Technology • Links, intra-database or across the Net Links, intra-database or across the Net • Dynamically assembled views Dynamically assembled views • Structured Text Records Structured Text Records • Tags Tags
Tags Tags Family Relationships: Family Relationships: father mother child spouse father mother child spouse Four Basic Events: Four Basic Events: birth marriage death event birth marriage death event Identity Link: Identity Link: tie tie
Evidence Identities Evidence Identities 3:239 identity identity Tom Jones Tom Jones birth birth 1903 Ohio 1903 Ohio marriage marriage 1922 1922 3:239 5:330 identity identity Thomas Jones Thomas Jones birth birth 1901 Ohio 1901 Ohio death death 1946 1946 5:330
Evidence Identities Evidence Identities 3:239 identity identity Tom Jones Tom Jones birth birth 1903 Ohio 1903 Ohio marriage marriage 1922 1922 3:239 5:330 identity identity Thomas Jones Thomas Jones birth birth 1901 Ohio 1901 Ohio death death 1946 1946 5:330 Conclusion Individuals Conclusion Individuals 6:101 individual Thomas Jones 6:101 individual Thomas Jones birth birth 1901 Ohio 1901 Ohio tie tie 3:239 3:239 tie 5:330 5:330 tie 7:333 individual tie tie 5:330 5:330 7:333 individual 7:334 individual tie tie 3:239 3:239 7:334 individual
Dynamically Extended Complete View For Evidence Dynamically Extended Complete View For Evidence Evaluation Evaluation Before Expansion Before Expansion 6:101 individual Thomas Jones Thomas Jones birth birth 1901 Ohio 1901 Ohio tie tie 3:239 3:239 6:101 individual tie 5:330 5:330 tie After Expansion After Expansion 6:101 individual Thomas Jones birth 1901 Ohio Thomas Jones birth 1901 Ohio tie tie 3:239 3:239 6:101 individual identity Tom Jones birth 1903 Ohio marriage 1922 identity Tom Jones birth 1903 Ohio marriage 1922 tie tie 5:330 identity Thomas Jones birth 1901 Ohio death 1946 5:330 identity Thomas Jones birth 1901 Ohio death 1946
Collaboration Collaboration Building on the Work of Others Building on the Work of Others 8:932 individual Mary Jones Mary Jones father father 933 933 8:932 individual 8:933 individual Thomas Jones death 06 JUN 1946 Thomas Jones death 06 JUN 1946 tie tie 6:101 6:101 8:933 individual child 932 child 932
Future Future • Move to web transaction platform Move to web transaction platform • Open source development Open source development • Field testing to learn from usage patterns Field testing to learn from usage patterns
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