activity
20132023
most citedThe Geography of Happiness: Connecting Twitter sentiment and expression, demographics, and objective characteristics of place

526 citations · 1.6k across the 39 of their papers we have counts for

collaborators
Showing 2020Show all

6 papers · 1 filter

cs.SI2020

A method to evaluate the reliability of social media data for social network analysis

Derek Weber, Mehwish Nasim, Lewis Mitchell +1

To study the effects of Online Social Network (OSN) activity on real-world offline events, researchers need access to OSN data, the reliability of which has particular implications…

cs.CL2020★ 75 cited

Generalized Word Shift Graphs: A Method for Visualizing and Explaining Pairwise Comparisons Between Texts

Ryan J. Gallagher, Morgan R. Frank, Lewis Mitchell +4

A common task in computational text analyses is to quantify how two corpora differ according to a measurement like word frequency, sentiment, or information content. However, colla…

cs.SI2020★ 4 cited

Popularity and Centrality in Spotify Networks: Critical transitions in eigenvector centrality

Tobin South, Matthew Roughan, Lewis Mitchell

The modern age of digital music access has increased the availability of data about music consumption and creation, facilitating the large-scale analysis of the complex networks th…

cs.CL2020★ 13 cited

Symptom extraction from the narratives of personal experiences with COVID-19 on Reddit

Curtis Murray, Lewis Mitchell, Jonathan Tuke +1

Social media discussion of COVID-19 provides a rich source of information into how the virus affects people's lives that is qualitatively different from traditional public health d…

cs.SI2020★ 20 cited

#ArsonEmergency and Australia's "Black Summer": Polarisation and misinformation on social media

Derek Weber, Mehwish Nasim, Lucia Falzon +1

During the summer of 2019-20, while Australia suffered unprecedented bushfires across the country, false narratives regarding arson and limited backburning spread quickly on Twitte…

physics.soc-ph2020★ 16 cited

Complex contagion features without social reinforcement in a model of social information flow

Tyson Pond, Saranzaya Magsarjav, Tobin South +2

Contagion models are a primary lens through which we understand the spread of information over social networks. However, simple contagion models cannot reproduce the complex featur…