03 · projects

Things I've built.

Two MSc projects at VU Amsterdam: one ranks hotels, the other spreads tourists out. Each came with real data and a result I can put a number on.

  1. 01Expedia Hotel Booking AnalyticsReordering hotel search results so the one you book lands on top. 4.96M records, 146 features, top 15% of 110 teams.learning-to-rank
    • 4.96Mhotel-option records
    • 199,795searches
    • 146features from 54 columns
    • 0.418private NDCG@5
  2. 02Tourist Flow OptimisationNudging Amsterdam visitors away from the crowded spots. 1.9M City Card transactions, a context-aware recommender, and a counterfactual simulation to measure the effect.recommendation system
    • 1.9MCity Card transactions
    • 3,617fewer visits at peak locations
    • −0.054Gini change in spatial spread

(for what i'm building right now, see the now page)

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