Publications
2025
Social network analysis (SNA) in architectural conceptual design: classifying factors for social harmony–a comprehensive review
Archnet-IJAR: International Journal of Architectural Research, 1-28, 2025
Gendered Divides in Online Discussions about Reproductive Rights
arXiv preprint arXiv:2507.05443, 2025
TILES-2018 Sleep Benchmark Dataset: A Longitudinal Wearable Sleep Data Set of Hospital Workers for Modeling and Understanding Sleep Behaviors
arXiv preprint arXiv:2507.03520, 2025
Decoding Neural Signatures of Semantic Evaluations in Depression and Suicidality
arXiv preprint arXiv:2507.22313, 2025
BigTokDetect: A Clinically-Informed Vision-Language Model Framework for Detecting Pro-Bigorexia Videos on TikTok
arXiv preprint arXiv:2508.06515, 2025
Modeling Information Narrative Evolution on Telegram During the Russia-Ukraine War
Proceedings of the International AAAI Conference on Web and Social Media 19 …, 2025
Polarized Online Discourse on Abortion: Frames and Hostile Expressions Among Liberals and Conservatives
Proceedings of the International AAAI Conference on Web and Social Media 19 …, 2025
Neural Responses to Affective Sentences Reveal Signatures of Depression
arXiv preprint arXiv:2506.06244, 2025
EDTok: A Dataset for Eating Disorder Content on TikTok
arXiv preprint arXiv:2505.02250, 2025
STEER-BENCH: A Benchmark for Evaluating the Steerability of Large Language Models
arXiv preprint arXiv:2505.20645, 2025
Humans Hallucinate Too: Language Models Identify and Correct Subjective Annotation Errors With Label-in-a-Haystack Prompts
arXiv preprint arXiv:2505.17222, 2025
Illusions of Intimacy: Emotional Attachment and Emerging Psychological Risks in Human-AI Relationships
arXiv preprint arXiv:2505.11649, 2025
2024
Larger language models don’t care how you think: Why chain-of-thought prompting fails in subjective tasks
arXiv preprint arXiv:2409.06173, 2024
2025
Deep Learning Characterizes Depression and Suicidal Ideation from Eye Movements
arXiv preprint arXiv:2504.20944, 2025
One pathogen does not an epidemic make: A review of interacting contagions, diseases, beliefs, and stories
arXiv preprint arXiv:2504.15053, 2025
How out-group animosity can shape partisan divisions: A model of affective polarization
PNAS Nexus, pgaf082, 2025
Public Health Messaging on Twitter During the COVID-19 Pandemic: Observational Study
Journal of Medical Internet Research 27, e63910, 2025
Smoothing Out Hallucinations: Mitigating LLM Hallucination with Smoothed Knowledge Distillation
arXiv preprint arXiv:2502.11306, 2025
X under Musk’s leadership: Substantial hate and no reduction in inauthentic activity
PloS one 20 (2), e0313293, 2025
Characterizing Network Structure of Anti-Trans Actors on TikTok
arXiv preprint arXiv:2501.16507, 2025
2024
Towards Safer Online Spaces: Simulating and Assessing Intervention Strategies for Eating Disorder Discussions
arXiv preprint arXiv:2409.04043, 2024
RTs!= Endorsements: Rethinking Exposure Fairness on Social Media Platforms
arXiv preprint arXiv:2409.13237, 2024
Impacts of Personalization on Social Network Exposure
International Conference on Advances in Social Networks Analysis and Mining …, 2024
2023
Non-binary gender expression in online interactions
arXiv preprint arXiv:2303.04837, 2023
2024
Fear and Loathing on the Frontline: Decoding the Language of Othering by Russia-Ukraine War Bloggers
arXiv preprint arXiv:2409.13064, 2024
Surprising Resilience of Science During a Global Pandemic: A Large-Scale Descriptive Analysis
arXiv preprint arXiv:2409.07710, 2024
Modeling Information Narrative Detection and Evolution on Telegram during the Russia-Ukraine War
arXiv preprint arXiv:2409.07684, 2024
Improving and Assessing the Fidelity of Large Language Models Alignment to Online Communities
arXiv preprint arXiv:2408.09366, 2024
Feelings about bodies: Emotions on diet and fitness forums reveal gendered stereotypes and body image concerns
arXiv preprint arXiv:2407.03551, 2024
Bias Reduction in Social Networks Through Agent-Based Simulations
International Workshop on Algorithmic Bias in Search and Recommendation, 64-77, 2024
# EpiTwitter: Public Health Messaging During the COVID-19 Pandemic (Preprint)
JMIR Preprints, 2024
Affective polarization and dynamics of information spread in online networks
npj Complexity 1 (1), 8, 2024
COMMUNITY-CROSS-INSTRUCT: Unsupervised Instruction Generation for Aligning Large Language Models to Online Communities
arXiv preprint arXiv:2406.12074, 2024
Large Language Models Reveal Information Operation Goals, Tactics, and Narrative Frames
arXiv preprint arXiv:2405.03688, 2024
Trust and Terror: Hazards in Text Reveal Negatively Biased Credulity and Partisan Negativity Bias
arXiv preprint arXiv:2405.17838, 2024
Hostile Counterspeech Drives Users From Hate Subreddits
arXiv preprint arXiv:2405.18374, 2024
Isamasred: A public dataset tracking reddit discussions on israel-hamas conflict
Proceedings of the International AAAI Conference on Web and Social Media 18 …, 2024
Discovering collective narratives shifts in online discussions
Proceedings of the International AAAI Conference on Web and Social Media 18 …, 2024
Socio-linguistic characteristics of coordinated inauthentic accounts
Proceedings of the International AAAI Conference on Web and Social Media 18 …, 2024
Cpl-novid: Context-aware prompt-based learning for norm violation detection in online communities
Proceedings of the International AAAI Conference on Web and Social Media 18 …, 2024
The Peripatetic Hater: Predicting Movement Among Hate Subreddits
arXiv preprint arXiv:2405.17410, 2024
Machine Learning Insights Into Eating Disorder Twitter Communities
Extended Abstracts of the CHI Conference on Human Factors in Computing …, 2024
Somer: Multi-view user representation learning for social media
arXiv preprint arXiv:2405.05275, 2024
Evaluating resilience of urban lifelines against flooding in China using social media data
International Journal of Disaster Risk Reduction 106, 104453, 2024
Hidden in plain sight: Exploring the intersections of mental health, eating disorders, and content moderation on tiktok
arXiv preprint arXiv:2404.15457, 2024
Don't Blame the Data, Blame the Model: Understanding Noise and Bias When Learning from Subjective Annotations
arXiv preprint arXiv:2403.04085, 2024
The strong pull of prior knowledge in large language models and its impact on emotion recognition
arXiv preprint arXiv:2403.17125, 2024
Dynamics of Affective Polarization: From Consensus to Partisan Divides
arXiv preprint arXiv:2403.16940, 2024
GET-Tok: A GenAI-Enriched Multimodal TikTok Dataset Documenting the 2022 Attempted Coup in Peru
arXiv preprint arXiv:2402.05882, 2024
Reading between the tweets: Deciphering ideological stances of interconnected mixed-ideology communities
Findings of the Association for Computational Linguistics: EACL 2024, 1523-1536, 2024
How Susceptible are Large Language Models to Ideological Manipulation?
arXiv preprint arXiv:2402.11725, 2024
Whose Emotions and Moral Sentiments Do Language Models Reflect?
arXiv preprint arXiv:2402.11114, 2024
Non-conservative diffusion and its application to social network analysis
Journal of Complex Networks 12 (1), cnae006, 2024
Strong Friendship Paradox in Social Networks
arXiv preprint arXiv:2412.02061, 2024
Safe Spaces or Toxic Places? Content Moderation and Social Dynamics of Online Eating Disorder Communities
arXiv preprint arXiv:2412.15721, 2024
In-Group Love, Out-Group Hate: A Framework to Measure Affective Polarization via Contentious Online Discussions
arXiv preprint arXiv:2412.14414, 2024
Universal Patterns in the Long-term Growth of Urban Infrastructure in US Cities from 1900 to 2015
arXiv preprint arXiv:2412.13181, 2024
Analyzing urban scaling laws in the United States over 115 years
Environment and Planning B: Urban Analytics and City Science, 23998083241240099, 2024
Measuring the Echo-Chamber Phenomenon Through Exposure Bias
Social Network Analysis and Mining Applications in Healthcare and Anomaly …, 2024
Harmful speech detection by language models exhibits gender-queer dialect bias
Proceedings of the 4th ACM Conference on Equity and Access in Algorithms …, 2024
Estimating Causal Effects of Text Interventions Leveraging LLMs
arXiv preprint arXiv:2410.21474, 2024
Aggregation Artifacts in Subjective Tasks Collapse Large Language Models' Posteriors
arXiv preprint arXiv:2410.13776, 2024
Large Language Models Help Reveal Unhealthy Diet and Body Concerns in Online Eating Disorders Communities
arXiv preprint arXiv:2401.09647, 2024
The Pulse of Mood Online: Unveiling Emotional Reactions in a Dynamic Social Media Landscape
ACM Transactions on the Web, 2024
Characterizing online eating disorder communities with large language models
arXiv preprint arXiv:2401.09647, 2024
2023
Feedback loops and complex dynamics of harmful speech in online discussions
International Conference on Social Computing, Behavioral-Cultural Modeling …, 2023
Anger breeds controversy: analyzing controversy and emotions on reddit
International conference on social computing, behavioral-cultural modeling …, 2023
Using emotion embeddings to transfer knowledge between emotions, languages, and annotation formats
ICASSP 2023-2023 IEEE International Conference on Acoustics, Speech and …, 2023
Leveraging label correlations in a multi-label setting: A case study in emotion
ICASSP 2023-2023 IEEE International Conference on Acoustics, Speech and …, 2023
Zero-shot meta-learning for small-scale data from human subjects
2023 IEEE 11th International Conference on Healthcare Informatics (ICHI …, 2023
Tensor embedding: A supervised framework for human behavioral data mining and prediction
2023 IEEE 11th International Conference on Healthcare Informatics (ICHI), 91-100, 2023
A data fusion framework for multi-domain morality learning
Proceedings of the International AAAI Conference on Web and Social Media 17 …, 2023
# RoeOverturned: Twitter dataset on the abortion rights controversy
Proceedings of the International AAAI Conference on Web and Social Media 17 …, 2023
Radicalized by Thinness: Using a Model of Radicalization to Understand Pro-Anorexia Communities on Twitter
arXiv preprint arXiv:2305.11316, 2023
Clique densification in networks
Physical Review E 107 (4), L042301, 2023
Pandemic culture wars: Partisan differences in the moral language of covid-19 discussions
2023 IEEE International Conference on Big Data (BigData), 413-422, 2023
Evaluating Resilience on Urban Lifelines in Response to Floods across China Using Social Media Data
Tao and ma, ting and Burghardt, Keith and Lerman, Kristina, Evaluating …, 2023
Measuring Online Emotional Reactions to Events
Proceedings of the International Conference on Advances in Social Networks …, 2023
Evaluating content exposure bias in social networks
Proceedings of the International Conference on Advances in Social Networks …, 2023
Retweets amplify the echo chamber effect
Proceedings of the International Conference on Advances in Social Networks …, 2023
Tracking a year of polarized twitter discourse on abortion
arXiv preprint arXiv:2311.16831, 2023
Capturing perspectives of crowdsourced annotators in subjective learning tasks
arXiv preprint arXiv:2311.09743, 2023
Inducing political bias allows language models anticipate partisan reactions to controversies
arXiv preprint arXiv:2311.09687, 2023
Affective polarization in social networks
arXiv preprint arXiv:2310.18553, 2023
Gender and Prestige Bias in Coronavirus News Reporting
arXiv preprint arXiv:2301.11994, 2023
Data-driven estimation of heterogeneous treatment effects
arXiv preprint arXiv:2301.06615, 2023
2022
TILES-2019: A longitudinal physiologic and behavioral data set of medical residents in an intensive care unit
Scientific Data 9 (1), 536, 2022
Assessing scientific research papers with knowledge graphs
Proceedings of the 45th International ACM SIGIR Conference on Research and …, 2022
Learning fairer interventions
Proceedings of the 2022 AAAI/ACM Conference on AI, Ethics, and Society, 317-323, 2022
Road network evolution in the urban and rural United States since 1900
Computers, Environment and Urban Systems 95, 101803, 2022
Infusing knowledge from wikipedia to enhance stance detection
arXiv preprint arXiv:2204.03839, 2022
Scale-free degree distributions, homophily and the glass ceiling effect in directed networks
Journal of Complex Networks 10 (2), cnac007, 2022
Emotion regulation and dynamics of moral concerns during the early covid-19 pandemic
arXiv preprint arXiv:2203.03608, 2022
Partisan Asymmetries in Exposure to Misinformation
Scientific Reports 12, 2022
Systems and methods for a text mining approach for predicting exploitation of vulnerabilities
US Patent 11,520,900, 2022
Alcap: Alignment-augmented music captioner
arXiv preprint arXiv:2212.10901, 2022
The Social Emotional Web
2022 IEEE 8th International Conference on Collaboration and Internet …, 2022
Leveraging change point detection to discover natural experiments in data
EPJ Data Science 11 (1), 49, 2022
Pattern discovery in physiological data with byte pair encoding
Multimodal AI in healthcare: A paradigm shift in health intelligence, 227-243, 2022
Gendered citation patterns among the scientific elite
Proceedings of the National Academy of Sciences 119 (40), e2206070119, 2022
Noise Audits Improve Moral Foundation Classification
The 2023 IEEE/ACM International Conference on Advances in Social Networks …, 2022
Large-scale agent-based simulations of online social networks
Autonomous Agents and Multi-Agent Systems 36 (2), 38, 2022
Emergent instabilities in algorithmic feedback loops
arXiv preprint arXiv:2201.07203, 2022
Unequal impact and spatial aggregation distort COVID-19 growth rates
Philosophical Transactions of the Royal Society A 380 (2214), 20210122, 2022
Selecting clustering algorithms for identity-by-descent mapping
PACIFIC SYMPOSIUM ON BIOCOMPUTING 2023: Kohala Coast, Hawaii, USA, 3–7 …, 2022
2021
Mitigating the bias of heterogeneous human behavior in affective computing
2021 9th International Conference on Affective Computing and Intelligent …, 2021
The emergence of heterogeneous scaling in research institutions
Communications Physics 4 (1), 189, 2021
Speaker turn modeling for dialogue act classification
arXiv preprint arXiv:2109.05056, 2021
Dogr: Disaggregated gaussian regression for reproducible analysis of heterogeneous data
arXiv preprint arXiv:2108.13581, 2021
Heterogeneous effects of software patches in a multiplayer online battle arena game
Proceedings of the 16th International Conference on the Foundations of …, 2021
Selecting Clustering Algorithms for IBD Mapping
bioRxiv.08. 11.456036, 2021
A survey on bias and fairness in machine learning
ACM computing surveys (CSUR) 54 (6), 1-35, 2021
Auditing algorithmic bias on twitter
Proceedings of the 13th ACM Web Science Conference 2021, 65-73, 2021
Limiting Tags Fosters Efficiency
Proceedings of the 13th ACM Web Science Conference 2021, 46-55, 2021
Socioeconomic correlates of anti-science attitudes in the US
Future Internet 13 (6), 160, 2021
Pattern discovery in time series with byte pair encoding
arXiv preprint arXiv:2106.00614, 2021
The wide, the deep, and the maverick: Types of players in team-based online games
Proceedings of the ACM on Human-Computer Interaction 5 (CSCW1), 1-26, 2021
Mapping moral valence of tweets following the killing of George Floyd
arXiv preprint arXiv:2104.09578, 2021
Detecting polarized topics using partisanship-aware contextualized topic embeddings
arXiv preprint arXiv:2104.07814, 2021
Gender disparity in the authorship of biomedical research publications during the COVID-19 pandemic: retrospective observational study
Journal of medical Internet research 23 (4), e25379, 2021
Follow the leader: Documents on the leading edge of semantic change get more citations
Journal of the Association for Information Science and Technology 72 (4 …, 2021
Emergence of structural inequalities in scientific citation networks
arXiv preprint arXiv:2103.10944, 2021
Unequal impact and spatial aggregation distort COVID-19 growth rates
Philosophical Transactions of the Royal Society A: Mathematical, Physical …, 2021
Disaggregation via Gaussian regression for robust analysis of heterogeneous data
Handbook of Computational Social Science, Volume 2, 269-288, 2021
FOR ROBUST ANALYSIS OF HETEROGENEOUS DATA
Handbook of Computational Social Science, Volume 2: Data Science …, 2021
Having a bad day? detecting the impact of atypical events using wearable sensors
Social, Cultural, and Behavioral Modeling: 14th International Conference …, 2021
Identifying shifts in collective attention to topics on social media
Social, Cultural, and Behavioral Modeling: 14th International Conference …, 2021
COVID-19 misinformation and the 2020 US presidential election
The Harvard Kennedy School Misinformation Review, 2021
2020
Affect estimation with wearable sensors
Journal of Healthcare Informatics Research 4, 261-294, 2020
Political polarization drives online conversations about COVID‐19 in the United States
Human Behavior and Emerging Technologies 2 (3), 200-211, 2020
Massive cross-platform simulations of online social networks
Proceedings of the 19th International Conference on Autonomous Agents and …, 2020
The transsortative structure of networks
Proceedings of the Royal Society A 476 (2237), 20190772, 2020
Can badges foster a more welcoming culture on Q&A boards?
Proceedings of the international AAAI conference on web and social Media 14 …, 2020
Graph embedding with personalized context distribution
Companion Proceedings of the Web Conference 2020, 655-661, 2020
Challenges in forecasting malicious events from incomplete data
Companion proceedings of the web conference 2020, 603-610, 2020
A geometric solution to fair representations
Proceedings of the AAAI/ACM Conference on AI, Ethics, and Society, 279-285, 2020
Friendship paradox biases perceptions in directed networks
Nature communications 11 (1), 707, 2020
User-based collaborative filtering mobile health system
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2020
Predictability limit of partially observed systems
Scientific reports 10 (1), 20427, 2020
Political Partisanship and Anti-Science Attitudes in Online Discussions about Covid-19
Journal of Medical Internet Research 23 (6), e26692, 2020
Individualized context-aware tensor factorization for online games predictions
2020 International Conference on Data Mining Workshops (ICDMW), 292-299, 2020
The leaky pipeline in physics publishing
arXiv preprint arXiv:2010.08912, 2020
TILES-2018, a longitudinal physiologic and behavioral data set of hospital workers
Scientific Data 7 (1), 354, 2020
Origins of algorithmic instabilities in crowdsourced ranking
Proceedings of the ACM on Human-Computer Interaction 4 (CSCW2), 1-20, 2020
Tracking Individual Performance with Sensors Study (TILES)
(No Title), 2020
White paper: Deep fakery–an action plan
Institute for Pure and Applied Mathematics (IPAM), 2020
Tracking Social Media Discourse About the COVID-19 Pandemic: Development of a Public Coronavirus Twitter Data Set. JMIR Public Health Surveill, 6 (2), e19273
arXiv preprint arXiv:1907.11692, 2020
Moral framing and ideological bias of news
Social Informatics: 12th International Conference, SocInfo 2020, Pisa, Italy …, 2020
Learning behavioral representations from wearable sensors
Social, Cultural, and Behavioral Modeling: 13th International Conference …, 2020
2019
Linguistic cues to deception: Identifying political trolls on social media
Proceedings of the international AAAI conference on web and social media 13 …, 2019
Estimating individualized daily self-reported affect with wearable sensors
2019 IEEE International Conference on Healthcare Informatics (ICHI), 1-9, 2019
The DARPA SocialSim Challenge: Massive Multi-Agent Simulations of the Github Ecosystem.
AAMAS, 1835-1837, 2019
Mixhop: Higher-order graph convolutional architectures via sparsified neighborhood mixing
international conference on machine learning, 21-29, 2019
Discovering hidden structure in high dimensional human behavioral data via tensor factorization
arXiv preprint arXiv:1905.08846, 2019
The Web Conference 2019 Companion Volume Preface
The web conference 2019: 30 years of the web, III, 2019
PhD symposium chairs' welcome
The web conference 2019: 30 years of the web, 1-1, 2019
Finding prerequisite relations using the wikipedia clickstream
Companion Proceedings of The 2019 World Wide Web Conference, 1240-1247, 2019
Characterizing activity on the deep and dark web
Companion proceedings of the 2019 world wide web conference, 206-213, 2019
Who falls for online political manipulation?
Companion proceedings of the 2019 world wide web conference, 162-168, 2019
Diffusion in social networks: Effects of monophilic contagion, friendship paradox, and reactive networks
IEEE Transactions on Network Science and Engineering 7 (3), 1121-1132, 2019
BD2K training coordinating center's ERuDIte: The educational resource discovery index for data science
IEEE transactions on emerging topics in computing 9 (1), 316-328, 2019
Advancing the international data science workforce through shared training and education
F1000Research 8, 251, 2019
Comparison of heart rate measurement between the fitbit charge 2 and omsignal smart garments: A free-living study
Annals of Behavioral Medicine 53, S81-S81, 2019
Influence Maximization for Social Good: Use of Social Networks in Low Resource Communities
arXiv preprint arXiv:1912.02105, 2019
Lessons learned: recommendations for implementing a longitudinal study using wearable and environmental sensors in a health care organization
JMIR mHealth and uHealth 7 (12), e13305, 2019
Characterizing the 2016 Russian IRA influence campaign
Social Network Analysis and Mining 9, 1-11, 2019
Predicting and explaining behavioral data with structured feature space decomposition
EPJ Data Science 8 (1), 1-27, 2019
Collaboration drives individual productivity
Proceedings of the ACM on Human-Computer Interaction 3 (CSCW), 1-24, 2019
Learning fair and interpretable representations via linear orthogonalization
arXiv preprint arXiv:1910.12854, 2019
Massive multi-agent data-driven simulations of the github ecosystem
Advances in Practical Applications of Survivable Agents and Multi-Agent …, 2019
2018
Model of cognitive dynamics predicts performance on standardized tests
Journal of Computational Social Science 1, 295-312, 2018
Degree correlations amplify the growth of cascades in networks
Physical Review E 98 (2), 022321, 2018
Discovering signals from web sources to predict cyber attacks
arXiv preprint arXiv:1806.03342, 2018
Individual performance in team-based online games
Royal Society open science 5 (6), 180329, 2018
Modeling evolution of topics in large-scale temporal text corpora
Proceedings of the International AAAI Conference on Web and Social Media 12 (1), 2018
Using Simpson's Paradox to Discover Interesting Patterns in Behavioral Data
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON WEB AND SOCIAL MEDIA, 2018
Discover: Mining online chatter for emerging cyber threats
Companion Proceedings of the The Web Conference 2018, 983-990, 2018
Journalism, Misinformation and Fact Checking Chairs' Welcome & Organization
Companion Proceedings of the The Web Conference 2018, 513-515, 2018
Towards quantifying sampling bias in network inference
Companion Proceedings of the The Web Conference 2018, 1277-1285, 2018
Raptor: Ransomware attack predictor
arXiv preprint arXiv:1803.01598, 2018
Can you trust the trend? Discovering Simpson's paradoxes in social data
Proceedings of the eleventh ACM international conference on web search and …, 2018
Analyzing the Digital Traces of Political Manipulation: The 2016 Russian Interference Twitter Campaign
Proceedings of The international conference series on Advances in Social …, 2018
Author Correction: Neighbor-Neighbor Correlations Explain Measurement Bias in Networks
Scientific Reports 8, 2018
Predicting cyber-events by leveraging hacker sentiment
Information 9 (11), 280, 2018
Discovering latent psychological structures from self-report assessments of hospital workers
2018 5th International Conference on Behavioral, Economic, and Socio …, 2018
Growth, Impact, Productivity, and Scaling in Research Institutions
Bulletin of the American Physical Society 63, 2018
Contagions in social networks: Effects of monophilic contagion, friendship paradox and reactive networks
arXiv preprint arXiv:1810.05822, 2018
Language, demographics, emotions, and the structure of online social networks
Journal of Computational Social Science 1, 209-225, 2018
Computational social scientist beware: Simpson’s paradox in behavioral data
Journal of Computational Social Science 1 (1), 49-58, 2018
Quantifying the Impact of Cognitive Biases in Question-Answering Systems
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON WEB AND SOCIAL MEDIA, 2018
Democratizing data science through data science training
Pacific Symposium on Biocomputing. Pacific Symposium on Biocomputing 23, 292, 2018
2017
Network vector: distributed representations of networks with global context
arXiv preprint arXiv:1709.02448, 2017
Bounded rationality in scholarly knowledge discovery
arXiv preprint arXiv:1710.00269, 2017
Deep context: a neural language model for large-scale networked documents
Proceedings of the 26th International Joint Conference on Artificial …, 2017
A Meme is Not a Virus: The Role of Cognitive Heuristics in Information Diffusion
Proceedings of the 28th ACM Conference on Hypertext and Social Media, 1-1, 2017
Graph Filters and the Z-Laplacian
IEEE Journal of Selected Topics in Signal Processing 11 (6), 774-784, 2017
Neighbor-neighbor correlations explain measurement bias in networks
Scientific Reports 7 (1), 5576, 2017
Will break for productivity: Generalized symptoms of cognitive depletion
arXiv preprint arXiv:1706.01521, 2017
Modified Cheeger and ratio cut methods using the Ginzburg–Landau functional for classification of high-dimensional data
Inverse Problems 33 (7), 074003, 2017
Dynamics of content quality in collaborative knowledge production
Proceedings of the International AAAI Conference on Web and Social Media 11 …, 2017
On quitting: Performance and practice in online game play
Proceedings of the International AAAI Conference on Web and Social Media 11 …, 2017
Mining social semantics on the social web
Semantic Web 8 (5), 623-624, 2017
Analyzing Uber's ride-sharing economy
Proceedings of the 26th international conference on world wide web companion …, 2017
Understanding short-term changes in online activity sessions
Proceedings of the 26th international conference on world wide web companion …, 2017
BD2K ERuDIte: The educational resource discovery index for data science
Proceedings of the 26th International Conference on World Wide Web Companion …, 2017
Taming the unpredictability of cultural markets with social influence
Proceedings of the 26th international conference on world wide web, 745-754, 2017
Travel analytics: Understanding how destination choice and business clusters are connected based on social media data
Transportation Research Part C: Emerging Technologies 77, 245-256, 2017
The myopia of crowds: Cognitive load and collective evaluation of answers on Stack Exchange
PloS one 12 (3), e0173610, 2017
Effort mediates access to information in online social networks
ACM Transactions on the Web (TWEB) 11 (1), 1-19, 2017
iPhone's Digital Marketplace: Characterizing the Big Spenders
Proceedings of the tenth ACM international conference on web search and data …, 2017
Techniques to evaluate and enhance cognitive performance
US Patent App. 15/212,138, 2017
Early warnings of cyber threats in online discussions
2017 IEEE International Conference on Data Mining Workshops (ICDMW), 667-674, 2017
Identifying sentiment of hookah-related posts on Twitter
JMIR public health and surveillance 3 (4), e8133, 2017
How the structure of Wikipedia articles influences user navigation
New Review of Hypermedia and Multimedia 23 (1), 29-50, 2017
Multi-layer network composition under a unified dynamical process
Social, Cultural, and Behavioral Modeling: 10th International Conference …, 2017
2016
Network composition from multi-layer data
arXiv preprint arXiv:1609.01641, 2016
Leveraging the Contributions of the Casual Majority to Identify Appealing Web Content
Proceedings of the AAAI Conference on Human Computation and Crowdsourcing 4 …, 2016
Evidence of online performance deterioration in user sessions on Reddit
PloS one 11 (8), e0161636, 2016
Assessing the navigational effects of click biases and link insertion on the web
Proceedings of the 27th ACM Conference on Hypertext and Social Media, 37-47, 2016
The DARPA Twitter bot challenge
Computer 49 (6), 38-46, 2016
Capturing the interplay of dynamics and networks through parameterizations of Laplacian operators
PeerJ Computer Science 2, e57, 2016
Information is not a virus, and other consequences of human cognitive limits
Future Internet 8 (2), 21, 2016
Geography of emotion: Where in a city are people happier?
Proceedings of the 25th International Conference Companion on World Wide Web …, 2016
Portrait of an online shopper: Understanding and predicting consumer behavior
Proceedings of the ninth ACM international conference on web search and data …, 2016
The" majority illusion" in social networks
PloS one 11 (2), e0147617, 2016
Partitioning networks with node attributes by compressing information flow
ACM Transactions on Knowledge Discovery from Data (TKDD) 11 (2), 1-26, 2016
Twitter session analytics: Profiling users’ short-term behavioral changes
Social Informatics: 8th International Conference, SocInfo 2016, Bellevue, WA …, 2016
Attention inequality in social media
arXiv preprint arXiv:1601.07200, 2016
Wrapper Maintenance
Encyclopedia of Database Systems, 1-5, 2016
Analyzing the digital traces of political manipulation
The 2016 Russian Interference Twitter Campaign, 2016
Emotions, demographics and sociability in twitter interactions
Proceedings of the international AAAI conference on web and social media 10 …, 2016
Information-theoretic clustering of neuroimaging metrics related to cognitive decline in the elderly
Medical Computer Vision: Algorithms for Big Data: International Workshop …, 2016
2015
Evolution of conversations in the age of email overload
Proceedings of the 24th international conference on world wide web, 603-613, 2015
The impact of network flows on community formation in models of opinion dynamics
The Journal of Mathematical Sociology 39 (2), 109-124, 2015
Structural properties of ego networks
International Conference on Social Computing, Behavioral-Cultural Modeling …, 2015
Cognitive Heuristics and Collective Opinions in Peer Recommendation
Collective Intelligence, 2015
The success of question answering communities: How diversity influences ad hoc groups
Collective Intelligence, 1-4, 2015
Vip: Incorporating human cognitive biases in a probabilistic model of retweeting
Social Computing, Behavioral-Cultural Modeling, and Prediction: 8th …, 2015
User effort and network structure mediate access to information in networks
Proceedings of the International AAAI Conference on Web and Social Media 9 …, 2015
2014
Welcome message from the socialcom 2014-Beijing general and program chairs
ACM International Conference Proceeding Series 2014, 2014
The interplay between dynamics and networks: centrality, communities, and cheeger inequality
Proceedings of the 20th ACM SIGKDD international conference on Knowledge …, 2014
Tripartite graph clustering for dynamic sentiment analysis on social media
Proceedings of the 2014 ACM SIGMOD international conference on Management of …, 2014
A visibility-based model for link prediction in social media
Academy of Science and Engineering (ASE), USA,© ASE 2014, 2014
Leveraging position bias to improve peer recommendation
PloS one 9 (6), e98914, 2014
Network weirdness: Exploring the origins of network paradoxes
Proceedings of the International AAAI Conference on Web and Social Media 8 …, 2014
The simple rules of social contagion
Scientific reports 4 (1), 4343, 2014
Classifying message content based on rebroadcast diversity
US Patent App. 13/904,973, 2014
Placing user-generated content on the map with confidence
Proceedings of the 22nd ACM SIGSPATIAL International Conference on Advances …, 2014
Disentangling the effects of social signals
arXiv preprint arXiv:1410.6744, 2014
Effects of social influence in peer online recommendation
arXiv preprint arXiv:1410.6744, 2014
2013
Using stochastic models to predict user response in social media
2013 International Conference on Social Computing, 63-68, 2013
The role of social media in the discussion of controversial topics
2013 International Conference on Social Computing, 236-243, 2013
Stochastic models predict user behavior in social media
arXiv preprint arXiv:1308.2705, 2013
Network flows and the link prediction problem
Proceedings of the 7th workshop on social network mining and analysis, 1-8, 2013
Attention and visibility in an information-rich world
2013 IEEE International Conference on Multimedia and Expo Workshops (ICMEW), 1-6, 2013
LA-CTR: A limited attention collaborative topic regression for social media
Proceedings of the AAAI Conference on Artificial Intelligence 27 (1), 1128-1134, 2013
Limited attention and centrality in social networks
2013 International Conference on Social Intelligence and Technology, 80-89, 2013
Structural and cognitive bottlenecks to information access in social networks
Proceedings of the 24th ACM Conference on Hypertext and Social Media, 51-59, 2013
LA-LDA: a limited attention topic model for social recommendation
International conference on social computing, behavioral-cultural modeling …, 2013
Identifying transformative scientific research
2013 IEEE 13th International Conference on Data Mining, 291-300, 2013
Using Visibility to Control Collective Attention in Crowdsourcing
Proceedings of the AAAI Conference on Human Computation and Crowdsourcing 1 …, 2013
Analysis: An Introduction
Handbook of Human Computation, 745-749, 2013
Social informatics: using big data to understand social behavior
Handbook of Human Computation, 751-759, 2013
Scalable mining of social data using stochastic gradient fisher scoring
Proceedings of the 2013 workshop on Data-driven user behavioral modelling …, 2013
Spectral clustering with epidemic diffusion
Physical Review E—Statistical, Nonlinear, and Soft Matter Physics 88 (4 …, 2013
Mining geospatial knowledge on the social web
Using Social and Information Technologies for Disaster and Crisis Management …, 2013
Friendship paradox redux: Your friends are more interesting than you
Proceedings of the International AAAI Conference on Web and Social Media 7 …, 2013
2012
Rethinking centrality: the role of dynamical processes in social network analysis
arXiv preprint arXiv:1209.4616, 2012
Using stochastic models to describe and predict social dynamics of web users
ACM Transactions on Intelligent Systems and Technology (TIST) 3 (4), 1-33, 2012
Network structure, topology, and dynamics in generalized models of synchronization
Physical Review E—Statistical, Nonlinear, and Soft Matter Physics 86 (2 …, 2012
Using lists to measure homophily on twitter
Workshops at the twenty-sixth AAAI conference on artificial intelligence, 2012
Semi-automatically mapping structured sources into the semantic web
Extended semantic web conference, 375-390, 2012
How visibility and divided attention constrain social contagion
arXiv e-prints, arXiv: 1205.2736, 2012
Using proximity to predict activity in social networks
Proceedings of the 21st international conference on World Wide Web, 555-556, 2012
Social contagion: An empirical study of information spread on digg and twitter follower graphs
arXiv preprint arXiv:1202.3162, 2012
Social dynamics of digg
EPJ Data Science 1 (1), 1-26, 2012
A probabilistic approach to mining geospatial knowledge from social annotations
SIGSPATIAL Special 4 (3), 2-7, 2012
Impact of Dynamic Interactions on Multi-Scale Analysis of Community Structure in Networks
arXiv preprint arXiv:1201.2383, 2012
Exploiting structure within data for accurate labeling using conditional random fields
Proceedings on the International Conference on Artificial Intelligence (ICAI), 1, 2012
Characterising emergent semantics in twitter lists
The Semantic Web: Research and Applications: 9th Extended Semantic Web …, 2012
2011
Using conditional random fields to exploit token structure and labels for accurate semantic annotation
Proceedings of the AAAI Conference on Artificial Intelligence 25 (1), 1784-1785, 2011
Entropy-based classification of'retweeting'activity on twitter
arXiv preprint arXiv:1106.0346, 2011
Parameterized centrality metric for network analysis
Physical Review E—Statistical, Nonlinear, and Soft Matter Physics 83 (6 …, 2011
Pragmatic evaluation of folksonomies
Proceedings of the 20th international conference on World wide web, 417-426, 2011
Stochastic models of social media dynamics
5th International AAAI Conference on Weblogs and Social Media (ICWSM …, 2011
A probabilistic approach for learning folksonomies from structured data
Proceedings of the fourth ACM international conference on Web search and …, 2011
A framework for quantitative analysis of cascades on networks
Proceedings of the fourth ACM international conference on Web search and …, 2011
What stops social epidemics?
Proceedings of 5th International Conference on Weblogs and Social Media …, 2011
Time-aware ranking in dynamic citation networks
2011 ieee 11th international conference on data mining workshops, 373-380, 2011
Learning boundaries of vague places from noisy annotations
Proceedings of the 19th ACM SIGSPATIAL international conference on advances …, 2011
Leveraging user diversity to harvest knowledge on the social web
2011 IEEE Third International Conference on Privacy, Security, Risk and …, 2011
Social mechanics: An empirically grounded science of social media
Proceedings of the International AAAI Conference on Web and Social Media 5 …, 2011
Dynamics of information spread on networks
Department of Computer Science, University of California Santa Barbara, 2011
2010
Analyzing microblogs with affinity propagation
Proceedings of the First Workshop on Social Media Analytics, 67-70, 2010
Centrality metric for dynamic networks
Proceedings of the Eighth Workshop on Mining and Learning with Graphs, 70-77, 2010
Integrating Structured Metadata with Relational Affinity Propagation.
Workshops at the Twenty-Fourth AAAI Conference on Artificial Intelligence, 2010
Predicting influential users in online social networks
arXiv preprint arXiv:1005.4882, 2010
Information contagion: An empirical study of the spread of news on digg and twitter social networks
Proceedings of the international AAAI conference on web and social media 4 …, 2010
Constructing folksonomies by integrating structured metadata
Proceedings of the 19th international conference on World wide web, 1165-1166, 2010
Using a model of social dynamics to predict popularity of news
Proceedings of the 19th international conference on World wide web, 621-630, 2010
Modeling social annotation: a bayesian approach
ACM Transactions on Knowledge Discovery from Data (TKDD) 5 (1), 1-32, 2010
A world wider than the web: End user programming across multiple domains
No Code Required, 213-231, 2010
Harvesting geospatial knowledge from online social networks
Spatio-Temporal Constraints on Social Networks Workshop, Cent. Spat. Stud …, 2010
Leveraging User-Specified Metadata to Personalize Image Search
Handbook of Research on Web 2.0, 3.0, and X. 0: Technologies, Business, and …, 2010
2009
Structure of heterogeneous networks
2009 International Conference on Computational Science and Engineering 4, 98-105, 2009
Constructing folksonomies from user-specified relations on flickr
Proceedings of the 18th international conference on World wide web, 781-790, 2009
Stochastic models of user-contributory web sites
Proceedings of 3rd International Conference on Weblogs and Social Media (ICWSM), 2009
Leaders and negotiators: An influence-based metric for rank
Proceedings of the International AAAI Conference on Web and Social Media 3 …, 2009
Parameterized Centrality for Network Analysis
arXiv preprint arXiv:0911.1095, 2009
Stochastic Models of Large-Scale Human Behavior on the Web.
AAAI Spring Symposium: Human Behavior Modeling 9, 37-42, 2009
Discovering and learning semantic models of online sources for information integration
IJCAI Workshop on Information Integration on the Web, Pasadena, CA, 2009
Wrapper Maintenance.
Encyclopedia of Database Systems, 3565-3569, 2009
Automatically constructing semantic web services from online sources
The Semantic Web-ISWC 2009: 8th International Semantic Web Conference, ISWC …, 2009
2008
AAAI 2008 Spring Symposia Reports
AI Magazine 29 (3), 107-107, 2008
Reports of the AAAI 2008 Spring Symposia
AI Magazine 29 (3), 107-115, 2008
Community detection using a measure of global influence
International Workshop on Social Network Mining and Analysis, 20-35, 2008
Analysis of social voting patterns on digg
Proceedings of the first workshop on Online social networks, 7-12, 2008
Model-guided performance tuning of parameter values: A case study with molecular dynamics visualization
2008 IEEE International Symposium on Parallel and Distributed Processing, 1-8, 2008
Top-down vs bottom-up methodologies in multi-agent system design
Autonomous Robots 24, 303-313, 2008
Exploiting data semantics to discover, extract, and model web sources
2008 IEEE International Conference on Data Mining Workshops, 771-779, 2008
Information Integration for the Masses.
J. Univers. Comput. Sci. 14 (11), 1811-1837, 2008
On Constructing Shallow Taxonomies from Social Annotations.
AAAI Spring Symposium: Social Information Processing, 78-80, 2008
2007
Dynamics of a collaborative rating system
International Workshop on Social Network Mining and Analysis, 77-96, 2007
Dynamics of collaborative document rating systems
Proceedings of the 9th WebKDD and 1st SNA-KDD 2007 workshop on Web mining …, 2007
Semantic labeling of online information sources
International Journal on Semantic Web and Information Systems (IJSWIS) 3 (3 …, 2007
Exploiting social annotation for automatic resource discovery
AAAI workshop on Information Integration from the Web, 86-91, 2007
Personalizing image search results on flickr
Intelligent Information Personalization, 2007
Intelligent optimization of parallel and distributed applications
2007 IEEE International Parallel and Distributed Processing Symposium, 1-6, 2007
User participation in social media: Digg study
2007 IEEE/WIC/ACM International Conferences on Web Intelligence and …, 2007
Social information processing in news aggregation
IEEE internet computing 11 (6), 16-28, 2007
Spatial behavior of individuals and groups: preliminary findings from a museum scenario
IEEE/RSJ IROS 2007 Workshop: From Sensors to Human Spatial Concepts, 2007
Social browsing & information filtering in social media
arXiv preprint arXiv:0710.5697, 2007
Learning information-gathering procedures by combined demonstration and instruction
Proc. of the AAAI 2007 Workshop on Learning Planning Knowledge, 2007
2006
Automatically labeling the inputs and outputs of web services
AAAI 6, 1363-1368, 2006
Analysis of dynamic task allocation in multi-robot systems
The International Journal of Robotics Research 25 (3), 225-241, 2006
Social networks and social information filtering on digg
arXiv preprint cs/0612046, 2006
Social browsing on flickr
International Conference of Weblogs and Social Media (ICWSM 2006), 2006
Gender disparity in the authorship of biomedical research publications during the COVID-19 pandemic
2006
2005
Comparative analysis of top-down and bottom-up methodologies for multi-agent system design
Proceedings of the fourth international joint conference on Autonomous …, 2005
Modeling and mathematical analysis of swarms of microscopic robots
Proceedings 2005 IEEE Swarm Intelligence Symposium. SIS 2005., 201-208, 2005
Resource allocation in the grid with learning agents
Journal of Grid Computing 3, 91-100, 2005
A systematic approach to model-guided empirical search for memory hierarchy optimization
International Workshop on Languages and Compilers for Parallel Computing …, 2005
Machine Learning Techniques for Wrapper Maintenance
Virtual Enterprise Integration: Technological and Organizational …, 2005
Mathematical modeling of large multi-agent systems
CALIFORNIA UNIV LOS ANGELES, Tech. Rep, 2005
2004
A formal design methodology for coordinated multi-robot systems
USC Viterbi Robotics Labs, Ph. D. Thesis, 2004
Analysis of a stochastic model of adaptive task allocation in robots
International Workshop on Engineering Self-Organising Applications, 167-179, 2004
2005
A review of probabilistic macroscopic models for swarm robotic systems
Swarm Robotics: SAB 2004 International Workshop, Santa Monica, CA, USA, July …, 2005
2004
Resource allocation and emergent coordination in wireless sensor networks
AAAI Workshop on Sensor Networks, 2004
Using the structure of web sites for automatic segmentation of tables
Proceedings of the 2004 ACM SIGMOD international conference on Management of …, 2004
Distributed online localization in sensor networks using a moving target
Proceedings of the 3rd international symposium on Information processing in …, 2004
Mathematical analysis of multi-agent systems
arXiv preprint cs/0404002, 2004
Learning data prototypes for information extraction
US Patent 6,714,941, 2004
A model of adaptation in collaborative multi-agent systems
Adaptive Behavior 12 (3-4), 187-197, 2004
Resource allocation in the grid using reinforcement learning
Proceedings of the Third International Joint Conference on Autonomous Agents …, 2004
Automatically modeling group behavior of simple agents
Agent Modeling Workshop, AAMAS-04, New York, NY, 2004
Two paradigms for the design of artificial collectives
Collectives and the design of complex systems, 231-256, 2004
Populating the semantic web
Proceedings of the AAAI 2004 Workshop on Advances in Text Extraction and …, 2004
2003
Agent memory and adaptation in multi-agent systems
Proceedings of the second international joint conference on Autonomous …, 2003
Resource allocation games with changing resource capacities
Proceedings of the second international joint conference on Autonomous …, 2003
Threshold Behavior in a Boolean Network Model for SAT.
IC-AI, 87-92, 2003
Wrapper maintenance: A machine learning approach
Journal of Artificial Intelligence Research 18, 149-181, 2003
Macroscopic analysis of adaptive task allocation in robots
Proceedings 2003 IEEE/RSJ International Conference on Intelligent Robots and …, 2003
Accurately and reliably extracting data from the web: A machine learning approach
Intelligent exploration of the web, 275-287, 2003
2002
Mathematical model of foraging in a group of robots: Effect of interference
Autonomous robots 13, 127-141, 2002
Adaptive Boolean networks and minority games with time-dependent capacities
Physical Review E 66 (1), 015103, 2002
Electric Elves: Agent technology for supporting human organizations
AI magazine 23 (2), 11-11, 2002
Minority games and distributed coordination in non-stationary environments
Proceedings of the 2002 International Joint Conference on Neural Networks …, 2002
Web: A Machine Learning Approach¹
Intelligent Exploration of the Web 111, 275, 2002
PART 2-RAPID COMMUNICATIONS-General methods of statistical physics-Adaptive Boolean networks and minority games with time-dependent capacities
Physical Review-Section E-Statistical Nonlinear and Soft Matter Physics 66 …, 2002
2001
Electric Elves: Applying Agent Technology to Support Human Organizations.
IAAI 1, 51-58, 2001
Automatic data extraction from lists and tables in web sources
IJCAI-2001 Workshop on Adaptive Text Extraction and Mining 98, 2001
A stochastic model of platoon formation in traffic flow
Proceedings of the TASK workshop, Santa Fe, NM, 17-19, 2001
A macroscopic analytical model of collaboration in distributed robotic systems
Artificial life 7 (4), 375-393, 2001
A machine learning approach to accurately and reliably extracting data from the web
Proceedings of the IJCAI Workshop on Adaptive Text Extraction and Mining, 2001
A general methodology for mathematical analysis of multi-agent systems
ISI-TR-529, USC Information Sciences Institute, Marina del Rey, CA, 2001
2000
Learning the common structure of data
AAAI/IAAI, 609-614, 2000
Coalition formation for large-scale electronic markets
Proceedings Fourth International Conference on Multiagent Systems, 167-174, 2000
Design and mathematical analysis of agent-based systems
International Workshop on Formal Approaches to Agent-Based Systems, 222-234, 2000
Electric elves: Immersing an agent organization in a human organization
Proc. of the AAAI Fall Symposium on Socially Intelligent Agents, 2000
1999
Analysis of transients for binary mixture convection in cylindrical geometry
Physical Review E 59 (3), 2975, 1999
Document clustering in reduced dimension vector space
Unpublished Manuscript, 1999
1996
WebCompass: an agent-based metasearch and metadata discovery tool for the Web
Proceedings of the 19th annual international ACM SIGIR conference on …, 1996
Different convection dynamics in mixtures with the same separation ratio
Physical Review E 53 (3), R2041, 1996
1995
Pattern formation in binary-fluid mixtures in cylindrical geometry
University of California, Santa Barbara, 1995
1993
Transient localized states in 2d binary liquid convection
Physical review letters 70 (23), 3572, 1993
1992
Experiments on three systems with non-variational aspects
Physica D: Nonlinear Phenomena 61 (1-4), 77-93, 1992