hotel on the Expedia website. In addition to impressions from the existing algorithm, the data contain impressions where the hotels were randomly sorted, to avoid the position bias of the existing algorithm. The user response is provided as a click on a hotel or/and a purchase of a hotel ...
“Hotel” refers to hotels, apartments, B&Bs, hostels and other properties appearing on Expedia’s websites. Room types are not distinguished and the data can be assumed to apply to the least expensive room type. Most of the data are for searches that resulted in a purchase, but a small...