Arthi Ramachandran

Health and Health Policy

Embedding a Linkage to Preexposure Prophylaxis Care Intervention in Social Network Strategy and Partner Notification Services: Results From a Pilot Randomized Controlled Trial

D. T. de Silva, A. Bouris, A. Ramachandran, et al.
Journal of Acquired Immune Deficiency Syndromes, February 2021

A pragmatic randomized controlled trial to increase prep uptake for HIV prevention: 55-week results from PrEPChicago

J. A. Schneider, L. E. Young, A. Ramachandran, et al.
Journal of Acquired Immune Deficiency Syndromes, January 2021

The potential of online social networking data for augmenting the study of high-risk personal networks among young men who have sex with men at-risk for HIV

L. E. Young, A. Ramachandran, L. P. Schumm, A. S. Khanna, and J. A. Schneider
Social Networks, October 2020

Predictive analytics for retention in care in an urban HIV clinic

A. Ramachandran, A. Kumar, H. Koenig, A. De Unanue, C. Sung, J. Walsh, J. Schneider, R. Ghani, and J. P. Ridgway
Nature Scientific Reports, April 2020

Preexposure Prophylaxis Initiation and Retention in Care Over 5 Years, 2012-2017: Are Quarterly Visits Too Much?

L. Rusie, C. Orengo, D. Burrell, A. Ramachandran, et al.
Clinical Infectious Diseases, July 2018

Social Networks

Dynamics and Prediction of Clicks on News from Twitter

A. Ramachandran, L. Wang, and A. Chaintreau
ACM Hypertext, June 2016

On the Dynamics of Inequality in Selfish Crowds

A. Ramachandran, N. Wolansky, and A. Chaintreau
Mechanism Design for Social Good, June 2018

A Validated Approach to Studying News Consumption and the Limits of Reach on Twitter

L. Wang, A. Ramachandran, and A. Chaintreau
Workshop on News and Public Opinion, May 2016

Social Clicks: What and Who Gets Read on Twitter?

M. Gabielkov, A. Ramachandran, A. Legout, and A. Chaintreau
SIGMETRICS, Jun 2016
Feature in the news: Columbia Data Science Institute, Washington Post

Who Contributes to the Knowledge Sharing Economy?

A. Ramachandran and A. Chaintreau
Conference for Online Social Networks, Nov 2015
Runner-up for Best Paper Award

The Network Effects of Privacy Choices

A. Ramachandran and A. Chaintreau
NetEcon, Jun 2015

"I knew they clicked when i saw them with their friends": identifying your silent web visitors on social media.

A. Ramachandran, Y. Kim, A. Chaintreau
Conference for Online Social Networks, Oct 2014

Education Pedagogy

Evaluation of the emerging scholars program at Columbia University

R. Powell, C. Murphy, A. Cannon, J. Gordon, and A. Ramachandran
SIGCSE, 2013

Please see my Google Scholar page for published papers. Alternately, you can email me.

Prior to working in social networks, I worked in Computational Biology, specifically, Computational Genomics where I used machine learning and data modeling techniques to better understand and analyse genetic data.

Resume/CV is available on request.