About Me

I am a Computer Science Ph.D. candidate in the School of Interactive Computing at Georgia Tech. I work in the Social Dynamics and Wellbeing Lab, and I am advised by Dr. Munmun De Choudhury. I did my undergraduate in Computer Science and Engineering from IIT Kharagpur, and hold an overall industry research experience of five years.

I am interested in the interdisciplinary areas of computational social science and social computing. By complementing multimodal datastreams with social media, I adopt methods from machine learning, statistics, natural language, and causal inference analysis to sense, predict, and examine wellbeing and psychosocial dynamics of individuals and collectives, particularly in situated contexts, such as college campuses and workplaces.

Koustuv Saha

           

Recent Highlights

  • 2020 October: Extremely thrilled and honored to be recognized as a Foley Scholar, a recipient of the Foley Scholarship Award, GVU Center's highest recognition for student excellence in research contributions to computing. 
  • 2020 October: Attending the (virtual) CSCW 2020 conference. Attending the Doctoral Consortium and presenting a poster on my proposed dissertation work.
  • 2020 October: Our upcoming work on studying psychosocial effects of COVID-19 with social media gets featured in New York Times.
  • 2020 September: Our upcoming work on the psychological impacts of active shooter drills in K-12 school communities gets featured in NBC, 11Alive, and The Hill.
  • 2020 August: Excited to be selected for the CSCW 2020 Doctoral Consortium. I will be presenting my proposed dissertation work on "Computational and Causal Examinations of Wellbeing in Situated Contexts by Leveraging Social Media and Multimodal Data"
  • 2020 August: Presenting our work at the New Future of Work 2020 Symposium
  • 2020 Summer: Video or remote conference presentations. Videos for CHI 2020, ICWSM 2020, HCII 2020.
  • 2020 Summer: Excited to join Snap Research as a Research Intern to work with the Computational Social Science Team
  • 2020 April: Successfully completed my Ph.D. proposal! I am a Ph.D. Candidate now!! Can't ever thank enough so many and many more!
  • 2020 April: Revamped my website!!

Publications

2020 | 2019 | 2018 | 2017


2020

  • Psychosocial Effects of the COVID-19 Pandemic: Large-scale Quasi-Experimental Study on Social Media   DL  PDF  Press
    K Saha, J Torous, ED Caine, and M De Choudhury
    Journal of Medical Internet Research (JMIR), (Impact Factor: 5.03), 2020
  • Social Media and Ubiquitous Technologies for Remote Worker Wellbeing and Productivity in a Post-Pandemic World   PDF
    V Das Swain+, K Saha+, GD Abowd, and M De Choudhury (+ co-primary)
    To Appear in Proceedings of 2020 IEEE 2nd International Conference on Cognitive Machine Intelligence (CogMI)
  • Causal Factors of Effective Psychosocial Outcomes in Online Mental Health Communities   DL  PDF  Video
    K Saha and A Sharma
    Proceedings of the 14th International AAAI Conference on Web and Social Media (ICWSM), (Acceptance: 16%), Presented at ICWSM 2020.
  • Modeling Organizational Culture with Workplace Experiences Shared on Glassdoor  DL  PDF  Press  Video
    V Das Swain+, K Saha+, MD Reddy, H Rajvanshy, GD Abowd, and M De Choudhury (+ co-primary)
    Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems, (Acceptance: 24%).
  • Measuring Self-Esteem with Passive Sensing  PDF  Video  Slides
    M Bin Morshed+, K Saha+, M De Choudhury, GD Abowd, and T Plötz (+ co-primary)
    Proceedings of the 14th EAI International Conference on Pervasive Computing Technologies for Healthcare, Presented at PervasiveHealth 2020.
  • A Real-Time Eating Detection System for Capturing Eating Moments and Triggering EMAs to Collect Further Context   Preprint
    M Bin Morshed, S Kuklkarni, R Li, K Saha, LG Roper, L Nachman, H Lu, L Mirabella, S Srivastava, M De Choudhury, K de Barbaro, T Plötz, GD Abowd
    Journal of Medical Internet Research mHealth and uHealth (JMU), (Impact Factor: 4.31), forthcoming, 2020
  • Understanding Moderation in Online Mental Health Communities  DL  PDF  Video
    K Saha, SK Ernala, S Dutta, E Sharma, and M De Choudhury
    In 22nd International Conference on Human-Computer Interaction, Springer LNCS, Presented at HCII 2020.
  • Improved Sleep Detection Through The Fusion of Phone Agent and Wearable Data Streams  DL  PDF
    GJ Martinez+, SM Mattingly+, J Young, L Faust, AK Dey, AT Campbell, M De Choudhury, S Mirjafari, S Nepal, P Robles-Granda, K Saha, A Striegel (+ co-primary)
    In Workshop on Sensing Systems and Applications Using Wrist Worn Smart Devices (WristSense), co-located with IEEE PerCom,  Best Paper Honorable Mention 

2019

  • LibRA: On LinkedIn based Role Ambiguity and Its Relationship with Wellbeing and Job Performance  DL  PDF  Slides
    K Saha, MD Reddy, SM Mattingly, E Moskal, A Sirigiri, and M De Choudhury
    Proceedings of the ACM on Human-Computer Interaction, CSCW (PACM HCI), (Acceptance: 31%), Presented at CSCW 2019.
  • The Language of LGBTQ+ Minority Stress Experiences on Social Media  DL  PDF  Slides
    K Saha, SC Kim, MD Reddy, AJ Carter, E Sharma, OL Haimson, and M De Choudhury
    Proceedings of the ACM on Human-Computer Interaction, CSCW (PACM HCI), (Acceptance: 31%), Presented at CSCW 2019.
  • A Social Media Study on the Effects of Psychiatric Medication Use DL  PDF    Slides
    K Saha, B Sugar, J Torous, B Abrahao, E Kiciman, and M De Choudhury
    Proceedings of the 13th International AAAI Conference on Web and Social Media (ICWSM), (Acceptance: 18%), Presented at ICWSM 2019,   Outstanding Study Design Paper 
  • Imputing Missing Social Media Data Stream in Multisensor Studies of Human Behavior  DL  PDF  Slides
    K Saha, MD Reddy, V Das Swain, JM Gregg, T Grover, S Lin, GJ Martinez, SM Mattingly, S Mirjafari, R Mulukutla, K Nies, P Robles-Granda, A Sirigiri, DW Yoo, P Audia, AT Campbell, NV Chawla, SK D'Mello, AK Dey, K Jiang, Q Liu, G Mark, E Moskal, A Striegel, and M De Choudhury (Non first 3 authors are listed alphabetically)
    Proceedings of the 8th International Conference on Affective Computing and Intelligent Interaction (ACII), (Acceptance: 18%), Presented at ACII 2019.
  • Prevalence and Psychological Effects of Hateful Speech in Online College Communities  DL  PDF  Slides
    K Saha, E Chandrasekharan, and M De Choudhury
    Proceedings of the 11th ACM Conference on Web Science (WebSci), (Acceptance: 31.5%), Presented at WebSci 2019
  • A Multisensor Person-Centered Approach to Understand the Role of Daily Activities in Job Performance with Organizational Personas  DL  PDF
    V Das Swain, K Saha, H Rajvanshy, A Sirigiri, JM Gregg, S Lin, GJ Martinez, SM Mattingly, S Mirjafari, R Mulukutla, S Nepal, K Nies, MD Reddy, P Robles-Granda, AT Campbell, NV Chawla, SK D'Mello, AK Dey, K Jiang, Q Liu, G Mark, E Moskal, A Striegel, L Tay, GD Abowd, and M De Choudhury (Non first 4 authors are listed alphabetically)
    Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT), 2019.
  • Prediction of Mood Instability with Passive Sensing  DL  PDF
    M Bin Morshed, K Saha, R Li, SK D'Mello, M De Choudhury, GD Abowd, and T Plötz
    Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT), 2019.
  • A Computational Study of Mental Health Awareness Campaigns on Social Media DL  PDF
    K Saha+, J Torous+, SK Ernala, C Rizuto, A Stafford, and M De Choudhury (+ co-primary)
    Translational Behavioral Medicine (TBM), (Impact Factor: 2.5), 2019.
  • JobLex: A Lexico-Semantic Knowledgebase of Occupational Information Descriptors DL  PDF  Lexicon
    K Saha, MD Reddy, and M De Choudhury
    11th International Conference on Social Informatics (SocInfo 2019)
  • Social Media as a Passive Sensor in Longitudinal Studies of Human Behavior and Wellbeing  DL  PDF  Slides
    K Saha, AE Bayraktaraglu, AT Campbell, NV Chawla, M De Choudhury, SK D'Mello, AK Dey, G Gao, JM Gregg, K Jagannath, G Mark, GJ Martinez, SM Mattingly, E Moskal, A Sirigiri, A Striegel, and DW Yoo (Non first authors are listed alphabetically)
    Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems Extended Abstracts (CHI 2019 Case Study), (Acceptance: 30%), Presented at CHI 2019.
  • Differentiating Higher and Lower Job Performers in the Workplace using Mobile Sensing  DL  PDF
    S Mirjafari, K Masaba, T Grover, W Wang, P Audia, AT Campbell, NV Chawla, V Das Swain, M De Choudhury, AK Dey, SK D'Mello, G Gao, JM Gregg, K Jagannath, K Jiang, S Lin, Q Liu, G Mark, GJ Martinez, SM Mattingly, E Moskal, R Mulukutla, S Nepal, K Nies, MD Reddy, P Robles-Granda, K Saha, A Sirigiri, and A Striegel (Non first 4 authors are listed alphabetically)
    Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT), 2019.
  • The Tesserae Project: Large-Scale, Longitudinal, In Situ, Multimodal Sensing of Information Workers  DL  PDF
    SM Mattingly, JM Gregg, P Audia, AE Bayraktaraglu, AT Campbell, NV Chawla, V Das Swain, M De Choudhury, SK D'Mello, AK Dey, G Gao, K Jagannath, K Jiang, S Lin, Q Liu, G Mark, GJ Martinez, K Masaba, S Mirjafari, E Moskal, R Mulukutla, K Nies, MD Reddy, P Robles-Granda, K Saha, A Sirigiri, and A Striegel (Non first two authors are listed alphabetically)
    Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems Extended Abstracts (CHI 2019 Case Study), (Acceptance: 30%).
  • Automated Tracking of Components of Job Satisfaction via Text Mining of Twitter Data  PDF
    L Hickman, K Saha, M De Choudhury, and L Tay
    ML Symposium, colocated with 34th Annual Society for Industrial and Organizational Psychology Conference (SIOP 2019).
  • On Microtargeting Socially Divisive Ads: A Case Study of Russia-Linked Ad Campaigns on Facebook  DL  PDF  Slides
    FN Ribeiro+, K Saha+, M Babaei, L Henrique, J Messias, F Benevenuto, O Goga, KP Gummadi, and EM Redmiles (+ co-primary)
    Proceedings of the 2nd ACM Conference on Fairness, Accountability, and Transparency (FAT*), (Acceptance: 24%), Presented at FAT* 2019.

2018

  • A Social Media Based Examination of the Effects of Counseling Recommendations After Student Deaths on College Campuses DL  PDF  Slides
    K Saha, I Weber, and M De Choudhury
    Proceedings of the 12th International AAAI Conference on Web and Social Media (ICWSM), (Acceptance: 16%), Presented at ICWSM 2018.
  • Modeling Stress with Social Media Around Incidents of Gun Violence on College Campuses  DL  PDF  Slides  Blog  Press
    K Saha and M De Choudhury
    Proceedings of the ACM on Human-Computer Interaction, CSCW (PACM HCI), (Acceptance: 27%), Presented at CSCW 2018.

2017

  • Inferring Mood Instability on Social Media by Leveraging Ecological Momentary Assessments  DL PDF  Slides
    K Saha, L Chan, K de Barbaro, GD Abowd, and M De Choudhury
    Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (PACM IMWUT), (Acceptance: 8%), Presented at Ubicomp 2017.
  • Characterizing Awareness of Schizophrenia Among Facebook Users by Leveraging Facebook Advertisement Estimates DL PDF  Slides
    K Saha, I Weber, ML Birnbaum, and M De Choudhury
    Journal of Medical Internet Research (JMIR), (Impact Factor: 5.1), 2017, Presented at Mental Health Symposium, CHI 2017
  • Analyzing Ideological Discourse on Social Media: A Case Study on the Abortion Discourse DL PDF
    E Sharma+, K Saha+, SK Ernala+, S Ghoshal+, and M De Choudhury (+ co-primary)
    Proceedings of the 2017 International Conference of The Computational Social Science Society of the Americas (CSS 2017).

Curriculum Vitae

Download my CV here.

Experience

Education