For anyone who's curious about an example implementation of transfer patterns: https://github.com/eamsen/transit-planner

Transfer patterns also behave robustly given real-time updates on the network, which we have shown here: http://stromboli.informatik.uni-freiburg.de/student-projects...

On top of being an excellent researcher, Hannah Bast is one of the best professors I've had pleasure of studying under and working with, so I'm happy to see her getting credit for this.