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David A Stumpf, MD, PhD and Michelle Bray Wilson
Nov 29, 2022
Endogamy: I. The Knowledge Graph
Duplicate ancestors, unions and the coefficient of inbreeding
David A Stumpf, MD, PhD
Nov 21, 2022
Graph Analytic Resources
This page will be updated. You might want to bookmark it! Graphs for Genealogists is a set of tools for genetic genealogists. It utilizes...
David A Stumpf, MD, PhD
Sep 14, 2022
The Field of Dreams: Ancestor Avatars
Your ancestor Avatar DNA is available for genetic genealogy analytics. Discover new matches hidden in their branch of your family tree.
David A Stumpf, MD, PhD
Jul 27, 2022
Monophyletic Segments
The rare set of segments available for research on a specific family line.
David A Stumpf, MD, PhD
Jul 11, 2022
David A Stumpf, MD, PhD
Jun 22, 2022
David A Stumpf, MD, PhD
Nov 29, 2021
David A Stumpf, MD, PhD
Oct 20, 2021
David A Stumpf, MD, PhD
Sep 15, 2021
David A Stumpf, MD, PhD
Dec 30, 2017
Y-DNA Haplogroups: Navigation using graph database methods
Y-DNA Haplogroups I manage a number of Y-DNA surname projects at FTDNA. One of the challenges is determining whether men's single...
David A Stumpf, MD, PhD
Dec 30, 2017
Neo4j Technical Issues
Why this post? This post is for geeks who want to know what's under the hood in a Neo4j database. I consider myself a limited expert, so...
David A Stumpf, MD, PhD
Dec 26, 2017
The Slump Surname Project
Slump surname project The Slump Y-DNA surname project was started at Family Tree DNA (FTDNA) in Dec 2017. The SLUMP surname was adopted...
David A Stumpf, MD, PhD
Dec 19, 2017
So-called terminal SNP
The term "terminal SNP" is an oxymoron in need of a new, better term. Preferably one with a catchy acronym to encourage adoption. But...
