1. Google Maps APIs: Build the next generation of location experiences.
https://developers.google.com/maps/
2. IBM ILOG CPLEX Optimization Studio.
https://ibm.co/2vXgzRC
3. American Public Transportation Association: Public Transportation Benefits (2017).
http://www.apta.com/mediacenter/ptbenefits/Pages/default.aspx
4. Borndörfer, R., et al.: Telebus Berlin: vehicle scheduling in a dial-a-ride system (1999)
5. Cao, B., et al.: SHAREK: a scalable dynamic ride sharing system. In: MDM (2015)