Apr 20, 2020

Hierarchical Multi-Armed Bandits for Discovering Hidden Populations

How to sample for hidden populations from Online Social Networks?

Feb 11, 2020

Insights from the Long-Tail: Skew and sparsity-aware behavior representations

Can the long sparse tail of the online user population be an asset to online platforms?

Feb 6, 2020

Quantifying Voter Biases in Online Platforms: An Instrumental Variable Approach

What are the causal effects of different impression signals—such as the reputation of the contributing user, aggregate vote thus far, and position of content—on the observed votes on content?

Feb 1, 2020

Should We Use an Abstract Comic Form to Persuade? Experiments with Online Charitable Donation

How do persuasive messages in the abstract comic form change people's donation decisions? We did an experiment on online charitable donation.