ADMIRE: A Product-Driven Approach to Automating Migrations - Two Sigma

This is very interesting and a novel way to view what a lot of teams might call "technical debt" or something. Migrations from system X to system Y are always hard. This article hits on the key topics behind it and provides a model.

One of the hardest parts of building this system was working out who should receive these tickets. Ownership information varied from resource to resource, was often outdated, and required mapping to specific people from department names or shared account names. To solve these challenges, we built a web service that could take various identifiers and apply heuristics to find the most likely owners.

I've been involved in dozens (hundreds?) of migrations and the successful ones have used processes like this.