Millions of Co-purchases and Reviews Reveal the Spread of Polarization and Lifestyle Politics across Online Markets

no code implementations • 17 Jan 2022 • Alexander Ruch, Ari Decter-Frain, Raghav Batra

We study the pervasiveness of polarization and lifestyle politics over different product segments in a diverse market and test the extent to which consumer- and platform-level network effects and morality may explain lifestyle politics.

Demographic Confounding Causes Extreme Instances of Lifestyle Politics on Facebook

no code implementations • 17 Jan 2022 • Alexander Ruch, Yujia Zhang, Michael Macy

We validate our measures of political alignment and lifestyle politics using the General Social Survey and find similar demographic entanglements with lifestyle politics existed before social media such as Facebook were ubiquitous, giving us strong confidence that our results are not due to echo chambers or filter bubbles.

Can x2vec Save Lives? Integrating Graph and Language Embeddings for Automatic Mental Health Classification

1 code implementation • 4 Jan 2020 • Alexander Ruch

Visualizing graph embeddings annotated with predictions of potentially suicidal individuals shows the integrated model could classify such individuals even if they are positioned far from the support group.

Action Classification Activity Prediction +5