Many real world graphs, such as the graphs of molecules, exhibit structure at multiple
different scales, but most existing kernels between graphs are either purely local or purely …

Recommender systems often use latent features to explain the behaviors of users and
capture the properties of items. As users interact with different items over time, user and item …

Matching users to the right items at the right time is a fundamental task in recommender
systems. As users interact with different items over time, users' and items' feature may drift …