On Measuring Emotion in Political Text

What does it mean for a congressional email to be "angry"? Some thoughts on the limits and possibilities of lexicon-based vs. model-based emotion detection.

SIR Models and the Spread of Misinformation

Epidemiological compartmental models have a long history in mathematical biology. Here's what happens when you apply them to social contagion -- and where the analogy breaks down.

What Universities Think AI Is

Mining course catalog data across dozens of institutions revealed how differently universities define "AI" -- and how that definition has shifted over twenty years.

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