32 citations · 76 across the 4 of their papers we have counts for
4 papers
Harnessing the Web for Population-Scale Physiological Sensing: A Case Study of Sleep and Performance
Tim Althoff, Eric Horvitz, Ryen W. White +1
Human cognitive performance is critical to productivity, learning, and accident avoidance. Cognitive performance varies throughout each day and is in part driven by intrinsic, near…
How Gamification Affects Physical Activity: Large-scale Analysis of Walking Challenges in a Mobile Application
Ali Shameli, Tim Althoff, Amin Saberi +1
Gamification represents an effective way to incentivize user behavior across a number of computing applications. However, despite the fact that physical activity is essential for a…
Donor Retention in Online Crowdfunding Communities: A Case Study of DonorsChoose.org
Tim Althoff, Jure Leskovec
Online crowdfunding platforms like DonorsChoose.org and Kickstarter allow specific projects to get funded by targeted contributions from a large number of people. Critical for the…
TimeMachine: Timeline Generation for Knowledge-Base Entities
Tim Althoff, Xin Luna Dong, Kevin Murphy +3
We present a method called TIMEMACHINE to generate a timeline of events and relations for entities in a knowledge base. For example for an actor, such a timeline should show the mo…