HLAB Publications

Research outputs & papers

Explore peer-reviewed articles, workshop papers, preprints, and theses authored by HLAB members and collaborators. Use the search field to filter by title, author, venue, or keyword.

155 publications

Year
Publication

Rao, Rajath, Ganesan, Adithya, Kjell, Oscar, Luby, Jonah, Raghavan, Akshay, Feltman, Scott, Ringwald, Whitney, Boyd, Ryan L, Luft, Benjamin, Ruggero, Camilo, Schwartz, H. Andrew (2025) WhiSPA: Semantically and Psychologically Aligned Whisper with Self-Supervised Contrastive and Student-Teacher Learning. Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) pp. 22529--22544. Association for Computational Linguistics, Vienna, Austria

Kjell, Oscar NE, Kjell, Katarina, Schwartz, H Andrew (2024) Beyond rating scales: With targeted evaluation, large language models are poised for psychological assessment. Psychiatry Research 333. pp. 115667. Elsevier

Ringwald, Whitney R, Feltman, Scott, Schwartz, H Andrew, Samaras, Dimitris, Khudari, Christopher, Luft, Benjamin J, Kotov, Roman (2024) Day-to-day dynamics of facial emotion expressions in posttraumatic stress disorder. OSF OSF

Ganesan, Adithya V, Varadarajan, Vasudha, Lal, Yash Kumar, Eijsbroek, Veerle C, Kjell, Katarina, Kjell, Oscar NE, Dhanasekaran, Tanuja, Stade, Elizabeth C, Eichstaedt, Johannes C, Boyd, Ryan L, others (2024) Explaining GPT-4's Schema of Depression Using Machine Behavior Analysis. arXiv preprint arXiv:2411.13800

Nilsson, August H\aakan, Schwartz, Hansen Andrew, Rosenthal, Richard N, McKay, James R, Vu, Huy, Cho, Young-Min, Mahwish, Syeda, Ganesan, Adithya V, Ungar, Lyle (2024) Language-based EMA assessments help understand problematic alcohol consumption. Plos one 19. (3). pp. e0298300. Public Library of Science San Francisco, CA USA

Stade, Elizabeth C, Stirman, Shannon Wiltsey, Ungar, Lyle H, Boland, Cody L, Schwartz, H Andrew, Yaden, David B, Sedoc, Joao, DeRubeis, Robert J, Willer, Robb, Eichstaedt, Johannes C (2024) Large language models could change the future of behavioral healthcare: a proposal for responsible development and evaluation. NPJ Mental Health Research 3. (1). pp. 12. Nature Publishing Group UK London

Vu, Huy, Nguyen, Huy Anh, Ganesan, Adithya V, Juhng, Swanie, Kjell, Oscar NE, Sedoc, Joao, Kern, Margaret L, Boyd, Ryan L, Ungar, Lyle, Schwartz, H Andrew, others (2024) PsychAdapter: Adapting LLM Transformers to Reflect Traits, Personality and Mental Health. arXiv preprint arXiv:2412.16882

Giorgi, Salvatore, Jones, Jason Jeffrey, Buffone, Anneke, Eichstaedt, Johannes C, Crutchley, Patrick, Yaden, David B, Elstein, Jeanette, Zamani, Mohammadzaman, Kregor, Jennifer, Smith, Laura, others (2024) Quantifying generalized trust in individuals and counties using language. Frontiers in Social Psychology 2. pp. 1384262. Frontiers Media SA

Jose, Rupa, Wang, Weixi, Sherman, Garrick, Rosenthal, Richard N, Schwartz, H Andrew, Ungar, Lyle H, McKay, James R (2024) Tapping into alcohol use during COVID: Drinking correlates among bartenders and servers. PLoS one 19. (4). pp. e0300932. Public Library of Science San Francisco, CA USA

Eijsbroek, Veerle C, Kjell, Katarina, Schwartz, H Andrew, Boehnke, Jan R, Fried, Eiko I, Klein, Daniel N, Gustafsson, Peik, Augenstein, Isabelle, Bossuyt, Patrick MM, Kjell, Oscar NE (2024) The LEADING guideline: Reporting standards for expert panel, best-estimate diagnosis, and longitudinal expert all data (LEAD) studies. MedRxiv

Ward, George, Schwartz, H Andrew, Giorgi, Salvatore, Menges, Jochen I, Matz, Sandra C (2024) The role of negative affect in shaping populist support: Converging field evidence from across the globe.. American Psychologist American Psychological Association

2023

Giorgi, Salvatore, Markowitz, David M, Soni, Nikita, Varadarajan, Vasudha, Mangalik, Siddharth, Schwartz, H Andrew (2023) " I Slept Like a Baby": Using Human Traits To Characterize Deceptive ChatGPT and Human Text.. Proceedings of IACT at SIGIR-2023 pp. 23--37

Yaden, David B, Giorgi, Salvatore, Jordan, Matthew, Buffone, Anneke, Eichstaedt, Johannes C, Schwartz, H Andrew, Ungar, Lyle, Bloom, Paul (2023) Characterizing empathy and compassion using computational linguistic analysis.. Emotion

Levanti, Danielle, Monastero, Rebecca N, Zamani, Mohammadzaman, Eichstaedt, Johannes C, Giorgi, Salvatore, Schwartz, H Andrew, Meliker, Jaymie R (2023) Depression and Anxiety on Twitter During the COVID-19 Stay-At-Home Period in 7 Major US Cities. American Journal of Public Medicine: Focus 2. (1). pp. 100062. Elsevier

Giorgi, Salvatore, Eichstaedt, Johannes C, Preo\ctiuc-Pietro, Daniel, Gardner, Jacob R, Schwartz, H Andrew, Ungar, Lyle H (2023) Filling in the white space: Spatial interpolation with Gaussian processes and social media data. Current research in ecological and social psychology 5. pp. 100159. Elsevier

Oltmanns, Joshua R, Schwartz, H Andrew, Ruggero, Camilo, Son, Youngseo, Vu, Huy, Gill, Gilvir, Miao, Jiaju, Waszczuk, Monika, Clouston, Sean, Bromet, Evelyn, others (2023) Incremental Validity of Language-Based Assessments of Personality in World Trade Center Responders. OSF OSF

Matero, Matthew, Giorgi, Salvatore, Curtis, Brenda, Ungar, Lyle H, Schwartz, H Andrew (2023) Opioid death projections with AI-based forecasts using social media language. NPJ Digital Medicine 6. (1). pp. 35. Nature Publishing Group UK London

Giorgi, Salvatore, Yaden, David B, Eichstaedt, Johannes C, Ungar, Lyle H, Schwartz, H Andrew, Kwarteng, Amy, Curtis, Brenda (2023) Predicting US county opioid poisoning mortality from multi-modal social media and psychological self-report data. Scientific reports 13. (1). pp. 9027. Nature Publishing Group UK London

Giorgi, Salvatore, Havaldar, Shreya, Ahmed, Farhan, Akhtar, Zuhaib, Vaidya, Shalaka, Pan, Gary, Ungar, Lyle H, Schwartz, H Andrew, Sedoc, Joao (2023) Psychological metrics for dialog system evaluation. arXiv preprint arXiv:2305.14757

Kjell, Oscar, Giorgi, Salvatore, Schwartz, H Andrew (2023) The text-package: An R-package for analyzing and visualizing human language using natural language processing and transformers.. Psychological Methods American Psychological Association

Kjell, Oscar, Kjell, Katarina, Schwartz, H Andrew (2023) With Care for Validity AI-based Large Language Models are Poised to Transform Psychological Health Assessment. PsyArXiv PsyArXiv

Liu, Tingting, Giorgi, Salvatore, Yadeta, Kenna, Schwartz, H Andrew, Ungar, Lyle H, Curtis, Brenda (2022) Linguistic predictors from Facebook postings of substance use disorder treatment retention versus discontinuation. The American Journal of Drug and Alcohol Abuse 48. (5). pp. 573--585. Taylor & Francis

Kjell, Oscar NE, Sikström, Sverker, Kjell, Katarina, Schwartz, H Andrew (2022) Natural language analyzed with AI-based transformers predict traditional subjective well-being measures approaching the theoretical upper limits in accuracy. Scientific reports 12. (1). pp. 3918. Nature Publishing Group UK London

Hawes, Mariah T, Schwartz, H Andrew, Son, Youngseo, Klein, Daniel N (2022) Predicting adolescent depression and anxiety from multi-wave longitudinal data using machine learning. Psychological Medicine pp. 1--7. Cambridge University Press

Pasquini, Giancarlo, Ferguson, Giselle, Bouklas, Isabella, Vu, Huy, Zamani, Mohammadzaman, Zhaoyang, Ruixue, Harrington, Karra D, Roque, Nelson A, Mogle, Jacqueline, Schwartz, H Andrew, others (2022) The where and when of COVID-19: Using ecological and Twitter-based assessments to examine impacts in a temporal and community context. Plos one 17. (2). pp. e0264280. Public Library of Science San Francisco, CA USA

Jose, Rupa, Matero, Matthew, Sherman, Garrick, Curtis, Brenda, Giorgi, Salvatore, Schwartz, Hansen Andrew, Ungar, Lyle H (2022) Using Facebook language to predict and describe excessive alcohol use. Alcoholism: Clinical and Experimental Research 46. (5). pp. 836--847

Oltmanns, Joshua R, Schwartz, H Andrew, Ruggero, Camilo, Son, Youngseo, Miao, Jiaju, Waszczuk, Monika, Clouston, Sean, Bromet, Evelyn, Luft, Benjamin, Kotov, Roman (2021) Artificial Intelligence Language Predictors of Two-Year Trauma-Related Outcomes. PsyArXiv PsyArXiv

Kjell, Oscar, Sikström, Sverker, Kjell, Katarina, Schwartz, H Andrew (2021) Natural Language Analyzed with AI-based Transformers Predict Traditional Well-Being Measures Approaching the Theoretical Upper Limits in Accuracy. PsyArXiv PsyArXiv

Ji, Tianchu, Jain, Shraddhan, Ferdman, Michael, Milder, Peter, Schwartz, H Andrew, Balasubramanian, Niranjan (2021) On the Distribution, Sparsity, and Inference-time Quantization of Attention Values in Transformers. ACL-Findings-2021

Kjell, Oscar, Schwartz, H Andrew, Giorgi, Salvatore (2021) Text: an R-package for analyzing and visualizing human language using natural language processing and deep learning. PsyArXiv PsyArXiv

Son, Youngseo, Clouston, Sean AP, Kotov, Roman, Eichstaedt, Johannes C, Bromet, Evelyn J, Luft, Benjamin J, Schwartz, H Andrew (2021) World Trade Center responders in their own words: Predicting PTSD symptom trajectories with AI-based language analyses of interviews. Psychological Medicine

Eichstaedt, Johannes C, Kern, Margaret L, Yaden, David B, Schwartz, HA, Giorgi, Salvatore, Park, Gregory, Hagan, Courtney A, Tobolsky, Victoria, Smith, Laura K, Buffone, Anneke, others (2020) Closed-and Open-Vocabulary Approaches to Text Analysis: A Review, Quantitative Comparison, and Recommendations. Psychological Methods

Giorgi, Salvatore, Yaden, David B, Eichstaedt, Johannes C, Ashford, Robert D, Buffone, Anneke EK, Schwartz, H Andrew, Ungar, Lyle H, Curtis, Brenda (2020) Cultural differences in Tweeting about drinking across the US. International journal of environmental research and public health 17. (4). pp. 1125. Multidisciplinary Digital Publishing Institute

Pongiglione, Benedetta, Kern, Margaret L, Carpentieri, J D, Schwartz, H Andrew, Gupta, Neelaabh, Goodman, Alissa (2020) Do children’s expectations about future physical activity predict their physical activity in adulthood?. International Journal of Epidemiology (dyaa131). IEA

Jaidka, Kokil, Giorgi, Salvatore, Schwartz, H Andrew, Kern, Margaret L, Ungar, Lyle H, Eichstaedt, Johannes C (2020) Estimating geographic subjective well-being from Twitter: A comparison of dictionary and data-driven language methods. Proceedings of the National Academy of Sciences 117. (19). pp. 10165--10171. National Academy of Sciences

Jaidka, Kokil, Eichstaedt, Johannes, Giorgi, Salvatore, Schwartz, H Andrew, Efron, Niv, Ungar, Lyle H (2020) Information-seeking vs. sharing: Which explains regional health? An analysis of Google Search and Twitter trends. Telematics and Informatics pp. 101540. Pergamon

Yaden, M, Yaden, D, Buffone, A, Eichstaedt, J, Crutchley, P, Smith, L, Cass, J, Callahan, C, Rosenthal, S, Ungar, L, others (2020) Linguistic analysis of empathy in medical school admission essays.. International Journal of Medical Education 11. pp. 186--190

Boyd, Ryan L, Schwartz, H Andrew (2020) Natural language analysis and the psychology of verbal behavior: The past, present, and future states of the field. Journal of Language and Social Psychology pp. 0261927X20967028. SAGE Publications Sage CA: Los Angeles, CA

Abebe, Rediet, Giorgi, Salvatore, Tedijanto, Anna, Buffone, Anneke, Schwartz, H Andrew (2020) Quantifying Community Characteristics of Maternal Mortality Using Social Media. Proceedings of The Web Conference 2020 (WWW-2020) pp. 2976--2983

Griffis, Heather, Asch, David A, Schwartz, H Andrew, Ungar, Lyle, Buttenheim, Alison M, Barg, Frances K, Mitra, Nandita, Merchant, Raina M (2020) Using social media to track geographic variability in language about diabetes: Infodemiology analysis. JMIR diabetes 5. (1). pp. e14431. JMIR Publications Inc., Toronto, Canada

Guntuku, Sharath Chandra, Schwartz, H Andrew, Kashyap, Adarsh, Gaulton, Jessica S, Stokes, Daniel C, Asch, David A, Ungar, Lyle H, Merchant, Raina M (2020) Variability in language used on social media prior to hospital visits. Scientific reports 10. (1). pp. 1--9. Nature Publishing Group

Merchant, Raina M, Asch, David A, Crutchley, Patrick, Ungar, Lyle H, Guntuku, Sharath C, Eichstaedt, Johannes C, Hill, Shawndra, Padrez, Kevin, Smith, Robert J, Schwartz, H Andrew (2019) Evaluating the predictability of medical conditions from social media posts. PLoS One 14. (6). pp. e0215476. Public Library of Science

Matz, Sandra C, Menges, Jochen I, Stillwell, David J, Schwartz, H Andrew (2019) Predicting individual-level income from Facebook profiles. PloS one 14. (3). pp. e0214369. Public Library of Science

Sun, Jessie, Schwartz, H Andrew, Son, Youngseo, Kern, Margaret L, Vazire, Simine (2019) The Language of Well-Being: Tracking Fluctuations in Emotion Experience through Everyday Speech. Journal of Personality and Social Psychology American Psychological Association

2018

Curtis, Brenda, Giorgi, Salvatore, Buffone, Anneke EK, Ungar, Lyle H, Ashford, Robert D, Hemmons, Jessie, Summers, Dan, Hamilton, Casey, Schwartz, H Andrew (2018) Can Twitter be used to predict county excessive alcohol consumption rates?. PloS one 13. (4). pp. e0194290. Public Library of Science

Eichstaedt, Johannes C, Smith, Robert J, Merchant, Raina M, Ungar, Lyle H, Crutchley, Patrick, Preo\ctiuc-Pietro, Daniel, Asch, David A, Schwartz, H Andrew (2018) Facebook language predicts depression in medical records. Proceedings of the National Academy of Sciences 115. (44). pp. 11203--11208. National Academy of Sciences

Jaidka, Kokil, Guntuku, Sharath Chandra, Buffone, Anneke, Schwartz, H Andrew, Ungar, Lyle H (2018) Facebook vs. Twitter: Cross-Platform Differences in Self-disclosure and Trait Prediction.

Kulkarni, Vivek, Kern, Margaret L, Stillwell, David, Kosinski, Michal, Matz, Sandra, Ungar, Lyle, Skiena, Steven, Schwartz, H Andrew (2018) Latent Human Traits in the Language of Social Media: An Open-Vocabulary Approach. PLoS One

Eichstaedt, J, Schwartz, H Andrew, Giorgi, Salvatore, Kern, Margaret L, Park, Gregory, Sap, Maarten, Labarthe, Darwin R, Larson, Emily E, Seligman, Martin, Ungar, Lyle H, others (2018) More Evidence that Twitter Language Predicts Heart Disease: A Response and Replication. PsyArXiv PsyArXiv

Clifton, Jeremy DW, Baker, Joshua D, Park, Crystal L, Yaden, David B, Clifton, Alicia BW, Terni, Paolo, Miller, Jessica L, Zeng, Guang, Giorgi, Salvatore, Schwartz, H Andrew, others (2018) Primal world beliefs.. Psychological assessment

Youyou, Wu, Stillwell, David, Schwartz, H Andrew, Kosinski, Michal (2017) Birds of a feather do flock together: behavior-based personality-assessment method reveals personality similarity among couples and friends. Psychological science 28. (3). pp. 276--284. SAGE Publications Sage CA: Los Angeles, CA

Carpenter, Jordan, Crutchley, Patrick, Zilca, Ran D, Schwartz, H Andrew, Smith, Laura K, Cobb, Angela M, Parks, Acacia C (2017) Seeing the" Big" Picture: Big Data Methods for Exploring Relationships Between Usage, Language, and Outcome in Internet Intervention Data (vol 18, e241, 2016). Journal of Medical Internet Research 19. (12). JMIR PUBLICATIONS, INC 59 WINNERS CIRCLE, TORONTO, ON M4L 3Y7, CANADA

Yaden, David B, Eichstaedt, Johannes C, Kern, Margaret L, Smith, Laura K, Buffone, Anneke, Stillwell, David J, Kosinski, Michal, Ungar, Lyle H, Seligman, Martin EP, Schwartz, H Andrew (2017) The Language of Religious Affiliation: Social, Emotional, and Cognitive Differences. Social Psychological and Personality Science pp. 1948550617711228. SAGE Publications Sage CA: Los Angeles, CA

Yaden, David B, Le Nguyen, Khoa D, Kern, Margaret L, Wintering, Nancy A, Eichstaedt, Johannes C, Schwartz, H Andrew, Buffone, Anneke EK, Smith, Laura K, Waldman, Mark R, Hood Jr, Ralph W, others (2017) The noetic quality: A multimethod exploratory study.. Psychology of Consciousness: Theory, Research, and Practice 4. (1). pp. 54. US: Educational Publishing Foundation

Smith, Robert J, Crutchley, Patrick, Schwartz, H Andrew, Ungar, Lyle, Shofer, Frances, Padrez, Kevin A, Merchant, Raina M (2017) Variations in facebook posting patterns across validated patient health conditions: A prospective cohort study. Journal of medical Internet research 19. (1). JMIR Publications Inc.

Kern, Margaret L, Park, Gregory, Eichstaedt, Johannes C, Schwartz, H Andrew, Sap, Maarten, Smith, Laura K, Ungar, Lyle H (2016) Gaining insights from social media language: Methodologies and challenges.. Psychological methods 21. (4). pp. 507. US: American Psychological Association

Schwartz, H ANDREW, Sap, MAARTEN, Kern, MARGARET L, Eichstaedt, JOHANNES C, Kapelner, ADAM, Agrawal, MEGHA, Blanco, EDUARDO, Dziurzynski, LUKASZ, Park, GREGORY, Stillwell, DAVID, others (2016) Predicting individual well-being through the language of social media. Biocomputing 2016: Proceedings of the Pacific Symposium pp. 516--527

Carpenter, Jordan, Crutchley, Patrick, Zilca, Ran D, Schwartz, H Andrew, Smith, Laura K, Cobb, Angela M, Parks, Acacia C (2016) Seeing the “big” picture: big data methods for exploring relationships between usage, language, and outcome in internet intervention data. Journal of medical Internet research 18. (8). JMIR Publications Inc.

Sinnenberg, Lauren, DiSilvestro, Christie L, Mancheno, Christina, Dailey, Karl, Tufts, Christopher, Buttenheim, Alison M, Barg, Fran, Ungar, Lyle, Schwartz, H, Brown, Dana, others (2016) Twitter as a potential data source for cardiovascular disease research. JAMA cardiology 1. (9). pp. 1032--1036. American Medical Association

Ranard, Benjamin L, Werner, Rachel M, Antanavicius, Tadas, Schwartz, H Andrew, Smith, Robert J, Meisel, Zachary F, Asch, David A, Ungar, Lyle H, Merchant, Raina M (2016) What can Yelp teach us about measuring hospital quality?. Health affairs (Project Hope) 35. (4). pp. 697. NIH Public Access

Park, Gregory, Yaden, David Bryce, Schwartz, H. Andrew, Kern, Margaret L., Eichstaedt, Johannes C., Kosinski, Michael, Stillwell, David, Ungar, Lyle H., Seligman, Martin E. P. (2016) Women are Warmer but No Less Assertive than Men: Gender and Language on Facebook. PLoS ONE 11. (5). pp. e0155885

Ranard, Benjamin L, Werner, Rachel M, Antanavicius, Tadas, Schwartz, H Andrew, Smith, Robert J, Meisel, Zachary F, Asch, David A, Ungar, Lyle H, Merchant, Raina M (2016) Yelp Reviews Of Hospital Care Can Supplement And Inform Traditional Surveys Of The Patient Experience Of Care. Health Affairs 35. (4). pp. 697--705. Project HOPE-The People-to-People Health Foundation, Inc.

2015

Ireland, Molly E, Chen, Qijia, Schwartz, H Andrew, Ungar, Lyle H, Albarracin, Dolores (2015) Action Tweets Linked to Reduced County-Level HIV Prevalence in the United States: Online Messages and Structural Determinants. AIDS and Behavior pp. 1--9. Springer US

Park, Gregory, Schwartz, H Andrew, Eichstaedt, Johannes C, Kern, Margaret L, Kosinski, Michal, Stillwell, David J, Ungar, Lyle H, Seligman, Martin EP (2015) Automatic personality assessment through social media language.. Journal of personality and social psychology 108. (6). pp. 934. American Psychological Association

Park, Gregory, Schwartz, H Andrew, Eichstaedt, Johannes C, Kern, Margaret L, Kosinski, Michal, Stillwell, David J, Ungar, Lyle H, Seligman, Martin EP (2015) Automatic personality assessment through social media language.. Journal of personality and social psychology 108. (6). pp. 934. American Psychological Association

Ireland, Molly E, Schwartz, H Andrew, Chen, Qijia, Ungar, Lyle H, Albarrac\'\in, Dolores (2015) Future-oriented tweets predict lower county-level HIV prevalence in the United States.. Health Psychology 34. (S). pp. 1252. American Psychological Association

Padrez, Kevin A, Ungar, Lyle, Schwartz, Hansen Andrew, Smith, Robert J, Hill, Shawndra, Antanavicius, Tadas, Brown, Dana M, Crutchley, Patrick, Asch, David A, Merchant, Raina M (2015) Linking social media and medical record data: a study of adults presenting to an academic, urban emergency department. BMJ quality & safety pp. bmjqs--2015. BMJ Publishing Group Ltd

Park, Gregory, Schwartz, H Andrew, Sap, Maarten, Kern, Margaret L, Weingarten, Evan, Eichstaedt, Johannes C, Berger, Jonah, Stillwell, David J, Kosinski, Michal, Ungar, Lyle H, others (2015) Living in the Past, Present, and Future: Measuring Temporal Orientation with Language. Journal of personality

Preotiuc-Pietro, Daniel, Sap, Maarten, Schwartz, H Andrew, Ungar, Lyle (2015) Mental illness detection at the World Well-Being Project for the CLPsych 2015 shared task. NAACL HLT 2015 pp. 40

Eichstaedt, Johannes C, Schwartz, Hansen Andrew, Kern, Margaret L, Park, Gregory, Labarthe, Darwin R, Merchant, Raina M, Jha, Sneha, Agrawal, Megha, Dziurzynski, Lukasz A, Sap, Maarten, others (2015) Psychological language on Twitter predicts county-level heart disease mortality. Psychological science 26. (2). pp. 159--169. SAGE Publications

Yaden, David B, Eichstaedt, Johannes C, Schwartz, H Andrew, Kern, Margaret L, Le Nguyen, Khoa D, Wintering, Nancy A, Hood Jr, Ralph W, Newberg, Andrew B (2015) The Language of Ineffability: Linguistic Analysis of Mystical Experiences.. Educational Publishing Foundation Educational Publishing Foundation

Preotiuc-Pietro, Daniel, Eichstaedt, Johannes, Park, Gregory, Sap, Maarten, Smith, Laura, Tobolsky, Victoria, Schwartz, H Andrew, Ungar, Lyle (2015) The role of personality, age and gender in tweeting about mental illnesses. NAACL HLT 2015 pp. 21

Wong, Charlene A, Sap, Maarten, Schwartz, H Andrew, Town, Robert, Baker, Tom, Ungar, Lyle, Merchant, Raina M (2015) Twitter sentiment predicts Affordable Care Act marketplace enrollment. Journal of medical Internet research 17. (2). JMIR Publications Inc.

Weeg, Christopher, Schwartz, H Andrew, Hill, Shawndra, Merchant, Raina M, Arango, Catalina, Ungar, Lyle (2015) Using Twitter to measure public discussion of diseases: a case study. JMIR Public Health and Surveillance 1. (1). pp. e6. JMIR Publications Inc., Toronto, Canada

Kern, Margaret L, Eichstaedt, Johannes C, Schwartz, H Andrew, Park, Gregory, Ungar, Lyle H, Stillwell, David J, Kosinski, Michal, Dziurzynski, Lukasz, Seligman, Martin EP (2014) From “Sooo excited!!!” to “So proud”: Using language to study development.. Developmental psychology 50. (1). pp. 178. American Psychological Association

Merchant, Raina M, Ha, Yoonhee P, Wong, Charlene A, Schwartz, H Andrew, Sap, Maarten, Ungar, Lyle H, Asch, David A (2014) The 2013 US government shutdown (\# Shutdown) and health: An emerging role for social media. American journal of public health 104. (12). pp. 2248--2250. American Public Health Association

Kern, Margaret L, Eichstaedt, Johannes C, Schwartz, H Andrew, Dziurzynski, Lukasz, Ungar, Lyle H, Stillwell, David J, Kosinski, Michal, Ramones, Stephanie M, Seligman, Martin EP (2014) The online social self an open vocabulary approach to personality. Assessment 21. (2). pp. 158--169. SAGE Publications

Schwartz, H Andrew, Eichstaedt, Johannes, Dziurzynski, Lukasz, Blanco, Eduardo, Kern, Margaret L, Ramones, Stephanie, Seligman, Martin, Ungar, Lyle (2013) Choosing the right words: Characterizing and reducing error of the word count approach. Atlanta, Georgia, USA pp. 296

Schwartz, H Andrew, Eichstaedt, Johannes C, Kern, Margaret L, Dziurzynski, Lukasz, Ramones, Stephanie M, Agrawal, Megha, Shah, Achal, Kosinski, Michal, Stillwell, David, Seligman, Martin EP, others (2013) Personality, gender, and age in the language of social media: The open-vocabulary approach. PloS one 8. (9). pp. e73791. Public Library of Science

Schwartz, Hansen Andrew, Eichstaedt, Johannes C, Dziurzynski, Lukasz, Kern, Margaret L, Blanco, Eduardo, Kosinski, Michal, Stillwell, David, Seligman, Martin EP, Ungar, Lyle H (2013) Toward Personality Insights from Language Exploration in Social Media.. AAAI Spring Symposium: Analyzing Microtext

2012

Schwartz, Hansen Andrew, Gomez, Fernando, Ungar, Lyle H (2012) Improving Supervised Sense Disambiguation with Web-Scale Selectors.. COLING pp. 2423--2440

Kapelner, Adam, Kaliannan, Krishna, Schwartz, Hansen Andrew, Ungar, Lyle H, Foster, Dean P (2012) New Insights from Coarse Word Sense Disambiguation in the Crowd.. COLING (Posters) pp. 539--548

2008

Schwartz, Hansen Andrew, Gomez, Fernando, Millward, Christopher (2008) A Semantic Feature for Verbal Predicate and Semantic Role Labeling Using SVMs.. FLAIRS Conference pp. 213--218

2006

Schwartz, Hansen (2006) Evolving Chord Progressions as Neural Networks.