Keith Burghardt
Information Sciences Institute
72 Papers
101 Citations
Keith Burghardt is an academic researcher from Information Sciences Institute. The author has contributed to research in topics: Computer science & Quality (business). The author has an hindex of 8, co-authored 50 publications. Previous affiliations of Keith Burghardt include University of Southern California & University of Maryland, College Park.
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Papers
Political Partisanship and Antiscience Attitudes in Online Discussions About COVID-19: Twitter Content Analysis.
Ashwin Rao,Fred Morstatter,Minda Hu,Emily Chen,Keith Burghardt,Emilio Ferrara,Kristina Lerman +6 more
TL;DR: This article analyzed a large set of tweets from Twitter related to the pandemic, collected between January and May 2020, and developed methods to classify the ideological alignment of users along the moderacy (hardline vs moderate), political (liberal vs conservative), and science (antiscience vs proscience) dimensions.
Cascading failures in scale-free interdependent networks.
TL;DR: It is found that three properties are all necessary components to significantly reduce the size of large cascades in the Bak-Tang-Wiesenfeld sandpile model, and the importance of internal and cross-network topology in optimizing robustness of interconnected systems is highlighted.
The myopia of crowds: Cognitive load and collective evaluation of answers on Stack Exchange.
TL;DR: This work analyzes data from 250 communities on the Stack Exchange network to pinpoint factors affecting which answers are chosen as the best answers, suggesting that crowd judgments may become less reliable as the number of answers grow.
Competing opinions and stubborness: Connecting models to data
TL;DR: A general contagionlike model for competing opinions that includes dynamic resistance to alternative opinions is introduced and it is shown that this model can describe candidate vote distributions, spatial vote correlations, and a slow approach to opinion consensus with sensible parameter values.
Auditing Elon Musk's Impact on Hate Speech and Bots
Daniel F. Hickey,Matheus Schmitz,Daniel Wm. Fessler,Paul E. Smaldino,Goran Muric,Keith Burghardt +5 more
- 09 Apr 2023
TL;DR: This paper examined the levels of hate speech and prevalence of bots before and after Elon Musk's acquisition of Twitter and found that hate speech rose dramatically upon Musk purchasing Twitter and the prevalence of most types of bots increased.