52 citations · 143 across the 12 of their papers we have counts for
13 papers
Collective moderation of hate, toxicity, and extremity in online discussions
Jana Lasser, Alina Herderich, Joshua Garland +3
In the digital age, hate speech poses a threat to the functioning of social media platforms as spaces for public discourse. Top-down approaches to moderate hate speech encounter di…
The right to audit and power asymmetries in algorithm auditing
Aleksandra Urman, Ivan Smirnov, Jana Lasser
In this paper, we engage with and expand on the keynote talk about the Right to Audit given by Prof. Christian Sandvig at the IC2S2 2021 through a critical reflection on power asym…
Just Another Day on Twitter: A Complete 24 Hours of Twitter Data
Juergen Pfeffer, Daniel Matter, Kokil Jaidka +13
At the end of October 2022, Elon Musk concluded his acquisition of Twitter. In the weeks and months before that, several questions were publicly discussed that were not only of int…
From alternative conceptions of honesty to alternative facts in communications by U.S. politicians
Jana Lasser, Segun Taofeek Aroyehun, Fabio Carrella +3
The spread of online misinformation on social media is increasingly perceived as a problem for societal cohesion and democracy. The role of political leaders in this process has at…
Social media sharing by political elites: An asymmetric American exceptionalism
Jana Lasser, Segun Taofeek Aroyehun, Almog Simchon +3
Increased sharing of untrustworthy information on social media platforms is one of the main challenges of our modern information society. Because information disseminated by politi…
Stress-testing the Resilience of the Austrian Healthcare System Using Agent-Based Simulation
Michaela Kaleta, Jana Lasser, Elma Dervic +6
Patients do not access physicians at random but rather via naturally emerging networks of patient flows between them. As retirements, mass quarantines and absence due to sickness d…
Assessment of the effectiveness of Omicron transmission mitigation strategies for European universities using an agent-based network model
Jana Lasser, Timotheus Hell, David Garcia
Returning universities to full on-campus operations while the COVID-19 pandemic is ongoing has been a controversial discussion in many countries. The risk of large outbreaks in den…
Social media emotion macroscopes reflect emotional experiences in society at large
David Garcia, Max Pellert, Jana Lasser +1
Social media generate data on human behaviour at large scales and over long periods of time, posing a complementary approach to traditional methods in the social sciences. Millions…
Agent-based simulations for protecting nursing homes with prevention and vaccination strategies
Jana Lasser, Johannes Zuber, Johannes Sorger +11
Due to its high lethality amongst the elderly, the safety of nursing homes has been of central importance during the COVID-19 pandemic. With test procedures becoming available at s…
Dashboard of sentiment in Austrian social media during COVID-19
Max Pellert, Jana Lasser, Hannah Metzler +1
To track online emotional expressions of the Austrian population close to real-time during the COVID-19 pandemic, we build a self-updating monitor of emotion dynamics using digital…
Stability of convection in dry salt lakes
Jana Lasser, Marcel Ernst, Lucas Goehring
Dry lakes covered with a salt crust organised into beautifully patterned networks of narrow ridges are common in arid regions. Here, we consider the initial instability and the ult…
Salt polygons and porous media convection
Jana Lasser, Joanna M. Nield, Marcel Ernst +5
From fairy circles to patterned ground and columnar joints, natural patterns spontaneously appear in many complex geophysical settings. Here, we investigate the origins of polygona…
Topological phenotypes constitute a new dimension in the phenotypic space of leaf venation networks
Henrik Ronellenfitsch, Jana Lasser, Douglas C. Daly +1
The leaves of angiosperms contain highly complex venation networks consisting of recursively nested, hierarchically organized loops. We describe a new phenotypic trait of reticulat…