Microsoft Ranking dataset

The dataset contains relevance scores for websites recommended to different users, and comprises of 30, 000 user-website pairs. For a user i and website j, the data contains a 136-dimensional feature vector uj i, which consists of user i’s attributes corresponding to website j, such as length of stay or number of clicks on the website. Furthermore, for each user-website pair, the dataset also contains a relevance score, i.e. how relevant the website was to the user.