What is the relationship between how you move and how you spend?
Combinatorial search algorithms mixed with actual Oyster purchase data tell us that Londoners waste up to £200 million per year by buying the incorrect fare.
How to alleviate this problem?
We designed and tested recommendation algorithms that predict the correct fare based on your mobility (98% accurate)
N. Lathia, L. Capra. Mining Mobility Data to Minimise Travellers' Spending on Public Transport . In ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. San Diego, California. August 2011.