activity
20152023
most citedWeather impacts expressed sentiment

179 citations · 292 across the 14 of their papers we have counts for

collaborators

15 papers

econ.GN2023★ 2 cited

Adverse weather amplifies social media activity

Kelton Minor, Esteban Moro, Nick Obradovich

Humanity spends an increasing proportion of its time interacting online. Scholars are intensively investigating the societal drivers and resultant impacts of this collective shift…

cs.AI2023★ 5 cited

Evidence of behavior consistent with self-interest and altruism in an artificially intelligent agent

Tim Johnson, Nick Obradovich

Members of various species engage in altruism--i.e. accepting personal costs to benefit others. Here we present an incentivized experiment to test for altruistic behavior among AI…

cs.AI2022★ 5 cited

Measuring an artificial intelligence agent's trust in humans using machine incentives

Tim Johnson, Nick Obradovich

Scientists and philosophers have debated whether humans can trust advanced artificial intelligence (AI) agents to respect humanity's best interests. Yet what about the reverse? Wil…

physics.soc-ph2021

The Network Limits of Infectious Disease Control via Occupation-Based Targeting

Demetris Avraam, Nick Obradovich, Niccoló Pescetelli +2

Policymakers commonly employ non-pharmaceutical interventions to manage the scale and severity of pandemics. Of non-pharmaceutical interventions, social distancing policies -- desi…

cs.CY2020★ 6 cited

Ambient heat and human sleep

Kelton Minor, Andreas Bjerre-Nielsen, Sigga Svala Jonasdottir +2

Ambient temperatures are rising globally, with the greatest increases recorded at night. Concurrently, the prevalence of insufficient sleep is increasing in many populations, with…

stat.AP2020★ 4 cited

The effect of stay-at-home orders on COVID-19 cases and fatalities in the United States

James H. Fowler, Seth J. Hill, Remy Levin +1

Governments issue "stay at home" orders to reduce the spread of contagious diseases, but the magnitude of such orders' effectiveness is uncertain. In the United States these orders…

cs.CV2020★ 12 cited

SensitiveLoss: Improving Accuracy and Fairness of Face Representations with Discrimination-Aware Deep Learning

Ignacio Serna, Aythami Morales, Julian Fierrez +3

We propose a discrimination-aware learning method to improve both accuracy and fairness of biased face recognition algorithms. The most popular face recognition benchmarks assume a…

cs.CV2019★ 32 cited

Algorithmic Discrimination: Formulation and Exploration in Deep Learning-based Face Biometrics

Ignacio Serna, Aythami Morales, Julian Fierrez +3

The most popular face recognition benchmarks assume a distribution of subjects without much attention to their demographic attributes. In this work, we perform a comprehensive disc…

cs.CV2019

Human detection of machine manipulated media

Matthew Groh, Ziv Epstein, Nick Obradovich +2

Recent advances in neural networks for content generation enable artificial intelligence (AI) models to generate high-quality media manipulations. Here we report on a randomized ex…

cs.CL2019★ 6 cited

Evaluating Style Transfer for Text

Remi Mir, Bjarke Felbo, Nick Obradovich +1

Research in the area of style transfer for text is currently bottlenecked by a lack of standard evaluation practices. This paper aims to alleviate this issue by experimentally iden…

cs.SI2019★ 1 cited

Towards a new social laboratory: An experimental study of search through community participation at Burning Man

Ziv Epstein, Micah Epstein, Christian Almenar +6

The "small world phenomenon," popularized by Stanley Milgram, suggests that individuals from across a social network are connected via a short path of mutual friends and can levera…

cs.CY2018★ 22 cited

Closing the AI Knowledge Gap

Ziv Epstein, Blakeley H. Payne, Judy Hanwen Shen +6

AI researchers employ not only the scientific method, but also methodology from mathematics and engineering. However, the use of the scientific method - specifically hypothesis tes…

cs.SI2018★ 15 cited

Social Media Data Analysis and Feedback for Advanced Disaster Risk Management

Markus Enenkel, Sofia Martinez Saenz, Denyse S. Dookie +3

Social media are more than just a one-way communication channel. Data can be collected, analyzed and contextualized to support disaster risk management. However, disaster managemen…

stat.AP2017★ 179 cited

Weather impacts expressed sentiment

Patrick Baylis, Nick Obradovich, Yury Kryvasheyeu +5

We conduct the largest ever investigation into the relationship between meteorological conditions and the sentiment of human expressions. To do this, we employ over three and a hal…

cs.SI2015★ 3 cited

Nowcasting Disaster Damage

Yury Kryvasheyeu, Haohui Chen, Nick Obradovich +4

Could social media data aid in disaster response and damage assessment? Countries face both an increasing frequency and intensity of natural disasters due to climate change. And du…