Demo: unsupervised indoor localization. - He Wang 008; Souvik Sen; Alexander Mariakakis; Romit Roy Choudhury; Ahmed Elgohary; Moustafa Farid; Moustafa Youssef 001 (MobiSys, 2012)

SAIL: single access point-based indoor localization. - Alexander Mariakakis; Souvik Sen; Jeongkeun Lee; Kyu-Han Kim (MobiSys, 2014)

Video: Unsupervised indoor localization (UnLoc): beyond the prototype. - He Wang 008; Souvik Sen; Alexander Mariakakis; Ahmed Elgohary; Moustafa Farid; Moustafa Youssef 001; Romit Roy Choudhury (MobiSys, 2014)

SwitchBack: Using Focus and Saccade Tracking to Guide Users' Attention for Mobile Task Resumption. - Alexander Mariakakis; Mayank Goel; Md Tanvir Islam Aumi; Shwetak N. Patel; Jacob O. Wobbrock (CHI, 2015)

HyperCam: hyperspectral imaging for ubiquitous computing applications. - Mayank Goel; Eric Whitmire; Alexander Mariakakis; T. Scott Saponas; Neel Joshi; Dan Morris 001; Brian Guenter; Marcel Gavriliu; Gaetano Borriello; Shwetak N. Patel (UbiComp, 2015)

MagnifiSense: inferring device interaction using wrist-worn passive magneto-inductive sensors. - Edward Jay Wang; TienJui Lee; Alexander Mariakakis; Mayank Goel; Sidhant Gupta; Shwetak N. Patel (UbiComp, 2015)

Demo of MagnifiSense: inferring device interaction using wrist-worn passive magneto-inductive sensors. - Edward Jay Wang; TienJui Lee; Alex Mariakakis; Mayank Goel; Shwetak N. Patel; Sidhant Gupta (UbiComp/ISWC Adjunct, 2015)

A smartphone-based system for assessing intraocular pressure. - Alexander Mariakakis; Edward Jay Wang; Shwetak N. Patel; Joanne C. Wen (EMBC, 2016)

Ocular symptom detection using smartphones. - Alex Mariakakis; Shwetak N. Patel (UbiComp Adjunct, 2016)

WatchUDrive: Differentiating drivers and passengers using smartwatches. - Alex Mariakakis; Vijay Srinivasan; Kiran Rachuri; Abhishek Mukherji (PerCom Workshops, 2016)

BiliScreen: Smartphone-Based Scleral Jaundice Monitoring for Liver and Pancreatic Disorders. - Alex Mariakakis; Megan A. Banks; Lauren Phillipi; Lei Yu; James Taylor; Shwetak N. Patel (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2017)

PupilScreen: Using Smartphones to Assess Traumatic Brain Injury. - Alex Mariakakis; Jacob Baudin; Eric Whitmire; Vardhman Mehta; Megan A. Banks; Anthony Law; Lynn McGrath; Shwetak N. Patel (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2017)

Drunk User Interfaces: Determining Blood Alcohol Level through Everyday Smartphone Tasks. - Alex Mariakakis; Sayna Parsi; Shwetak N. Patel; Jacob O. Wobbrock (CHI, 2018)

IDCam: Precise Item Identification for AR Enhanced Object Interactions. - Hanchuan Li; Eric Whitmire; Alex Mariakakis; Victor Chan; Alanson P. Sample; Shwetak N. Patel (RFID, 2019)

Challenges in Realizing Smartphone-Based Health Sensing. - Alex Mariakakis; Edward Jay Wang; Shwetak N. Patel; Mayank Goel (IEEE Pervasive Comput., 2019)

Making Medical Assessments Available and Objective Using Smartphone Sensors. - Alex Mariakakis (2019)

EcoPatches: Maker-Friendly Chemical-Based UV Sensing. - Alex Mariakakis; Sifang Chen; Bichlien H. Nguyen; Kirsten Bray; Molly Blank; Jonathan Lester; Lauren Ryan; Paul Johns; Gonzalo A. Ramos; Asta Roseway (Conference on Designing Interactive Systems, 2020)

EarBuddy: Enabling On-Face Interaction via Wireless Earbuds. - Xuhai Xu; Haitian Shi; Xin Yi 001; Wenjia Liu; Yukang Yan; Yuanchun Shi; Alex Mariakakis; Jennifer Mankoff; Anind K. Dey (CHI, 2020)

Supporting Smartphone-Based Image Capture of Rapid Diagnostic Tests in Low-Resource Settings. - Chunjong Park; Alex Mariakakis; Jane Yang; Diego Lassala; Yasamba Djiguiba; Youssouf Keita; Hawa Diarra; Beatrice Wasunna; Fatou Fall; Marème Soda Gaye; Bara Ndiaye; Ari Johnson; et al. (ICTD, 2020)

Project Calico: Wearable Chemical Sensors for Environmental Monitoring. - Alex Mariakakis; Sifang Chen; Bichlien Nguyen; Kirsten Bray; Molly Blank; Jonathan Lester; Lauren Ryan; Paul Johns; Gonzalo A. Ramos; Asta Roseway (CoRR, 2020)

RDTCheck: A Smartphone App for Monitoring Rapid Diagnostic Test Administration. - Devesh Sarda; Chunjong Park; Hung Ngo; Shwetak N. Patel; Alex Mariakakis (CHI Extended Abstracts, 2021)

NkhukuProbe: Using a Sensor-Based Technology Probe to Support Poultry Farming Activities in Malawi. - George Hope Chidziwisano; Alex Mariakakis; Susan Wyche; Vitumbiko Mafeni; Esau Gideon Banda (COMPASS, 2021)

A Comparative Study of Lexical and Semantic Emoji Suggestion Systems. - Mingrui Ray Zhang; Alex Mariakakis; Jacob Burke; Jacob O. Wobbrock (iConference (1), 2021)

Online Mobile App Usage as an Indicator of Sleep Behavior and Job Performance. - Chunjong Park; Morelle Arian; Xin Liu 034; Leon Sasson; Jeffrey Kahn; Shwetak N. Patel; Alex Mariakakis; Tim Althoff (WWW, 2021)

Understanding User Perspectives on Prompts for Brief Reflection on Troubling Emotions. - Ananya Bhattacharjee; Pan Chen; Linjia Zhou; Abhijoy Mandal; Jai Aggarwal; Katie O'Leary; Anne Hsu; Alex Mariakakis; Joseph Jay Williams (CoRR, 2021)

SplitSR: An End-to-End Approach to Super-Resolution on Mobile Devices. - Xin Liu 034; Yuang Li; Josh Fromm; Yuntao Wang 001; Ziheng Jiang; Alex Mariakakis; Shwetak N. Patel (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2021)

The Design and Evaluation of a Mobile System for Rapid Diagnostic Test Interpretation. - Chunjong Park; Hung Ngo; Libby Rose Lavitt; Vincent Karuri; Shiven Bhatt; Peter Lubell-Doughtie; Anuraj H. Shankar; Leonard Ndwiga; Victor Osoti; Juliana K. Wambua; Philip Bejon; Lynette Isabella Ochola-Oyier; et al. (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2021)

How Generalizable and Interpretable are Speech-Based COVID-19 Detection Systems?: A Comparative Analysis and New System Proposal. - Yi Zhu 011; Alex Mariakakis; Eyal de Lara; Tiago H. Falk (BHI, 2022)

Sleep Sound Classification Using ANC-Enabled Earbuds. - Kenneth Christofferson; Xuyang Chen; Zeyu Wang; Alex Mariakakis; Yuntao Wang 001 (PerCom Workshops, 2022)

Machine Learning to Automate the Visual Interpretation of Chemical Agglutination Tests. - Sidharth Gupta; Alexandros A. Sklavounos; Joshua Dahmer; Anthony K. C. Yong; Mohammed A. A. Abdullah; Gilberto Camacho; Keith Morton; Matthew Shiu; Jean Labrecque; Teodor Veres; Aaron R. Wheeler; Alex Mariakakis (PerCom Workshops, 2022)

Unobtrusive Monitoring of COPD Patients using Speech Collected from Smartwatches in the Wild. - Tina Sedaghat; Salaar Liaqat; Daniyal Liaqat; Robert Wu; Andrea Gershon; Tatiana Son; Tiago H. Falk; Moshe Gabel; Alex Mariakakis; Eyal de Lara (PerCom Workshops, 2022)

"I Kind of Bounce off It": Translating Mental Health Principles into Real Life Through Story-Based Text Messages. - Ananya Bhattacharjee; Joseph Jay Williams; Karrie Chou; Justice Tomlinson; Jonah Meyerhoff; Alex Mariakakis; Rachel Kornfield (Proc. ACM Hum. Comput. Interact., 2022)

Smartphone-based Pupillometry for Diagnosis of Ischemic and Hemorrhagic Stroke. - Anthony James Maxin; Bernice G. Gulek; Rami Shaibani; Alex Mariakakis; Lynn B. McGrath; Michael R. Levitt (BCB, 2023)

Integrating Individual and Social Contexts into Self-Reflection Technologies. - Ananya Bhattacharjee; Dana Kulzhabayeva; Mohi Reza; Harsh Kumar; Eunchae Seong; Xuening Wu; Mohammad Rashidujjaman Rifat; Robert Bowman; Rachel Kornfield; Alex Mariakakis; Syed Ishtiaque Ahmed; Munmun De Choudhury; et al. (CHI Extended Abstracts, 2023)

Investigating the Role of Context in the Delivery of Text Messages for Supporting Psychological Wellbeing. - Ananya Bhattacharjee; Joseph Jay Williams; Jonah Meyerhoff; Harsh Kumar; Alex Mariakakis; Rachel Kornfield (CHI, 2023)

Constraints and Workarounds to Support Clinical Consultations in Synchronous Text-based Platforms. - Brenna Li; Tetyana Skoropad; Puneet Seth; Mohit Jain; Khai N. Truong; Alex Mariakakis (CHI, 2023)

Blood glucose variance measured by continuous glucose monitors across the menstrual cycle. - Georgianna Lin; Rumsha Siddiqui; Zixiong Lin; Joanna M. Blodgett; Shwetak N. Patel; Khai N. Truong; Alex Mariakakis (npj Digit. Medicine, 2023)

Design Implications for One-Way Text Messaging Services that Support Psychological Wellbeing. - Ananya Bhattacharjee; Jiyau Pang; Angelina Liu; Alex Mariakakis; Joseph Jay Williams (ACM Trans. Comput. Hum. Interact., 2023)

FeverPhone: Accessible Core-Body Temperature Sensing for Fever Monitoring Using Commodity Smartphones. - Joseph Breda; Mastafa Springston; Alex Mariakakis; Shwetak N. Patel (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2023)

PulmoListener: Continuous Acoustic Monitoring of Chronic Obstructive Pulmonary Disease in the Wild. - Sejal Bhalla; Salaar Liaqat; Robert Wu; Andrea Gershon; Eyal de Lara; Alex Mariakakis (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2023)

Understanding the Role of Large Language Models in Personalizing and Scaffolding Strategies to Combat Academic Procrastination. - Ananya Bhattacharjee; Yuchen Zeng; Sarah Yi Xu; Dana Kulzhabayeva; Minyi Ma; Rachel Kornfield; Syed Ishtiaque Ahmed; Alex Mariakakis; Mary P. Czerwinski; Anastasia Kuzminykh; Michael Liut; Joseph Jay Williams (CHI, 2024)

ReHEarSSE: Recognizing Hidden-in-the-Ear Silently Spelled Expressions. - Xuefu Dong; Yifei Chen; Yuuki Nishiyama; Kaoru Sezaki; Yuntao Wang 001; Kenneth Christofferson; Alex Mariakakis (CHI, 2024)

Beyond the Waiting Room: Patient's Perspectives on the Conversational Nuances of Pre-Consultation Chatbots. - Brenna Li; Ofek Gross; Noah Crampton; Mamta Kapoor; Saba Tauseef; Mohit Jain; Khai N. Truong; Alex Mariakakis (CHI, 2024)

Promoting Engagement in Remote Patient Monitoring Using Asynchronous Messaging. - Salaar Liaqat; Daniyal Liaqat; Tatiana Son; Tiago H. Falk; Robert Wu; Andrea S. Gershon; Eyal de Lara; Alex Mariakakis (CHI, 2024)

Functional Design Requirements to Facilitate Menstrual Health Data Exploration. - Georgianna Lin; Pierre-William Lessard; Minh Ngoc Le; Brenna Li; Fanny Chevalier; Khai N. Truong; Alex Mariakakis (CHI, 2024)

Leveraging Idle Games to Incentivize Intermittent and Frequent Practice of Deep Breathing. - Book Sadprasid; Anne Mei; Alex Mariakakis; Scott Bateman; Fanny Chevalier (CHI, 2024)

HoleyMoley: A Cognitive Assessment for Emotion Recognition in Virtual Reality. - Andrii Lenyshyn; You Zhi Hu; Mark H. Chignell; Alex Mariakakis (CHI PLAY (Companion), 2024)

EarSteth: Cardiac Auscultation Audio Reconstruction Using Earbuds. - Alvin Cao; Kennethn Christofferson; Parker S. Ruth; Naveed Rabbani; Yuanchun Shi; Alex Mariakakis; Yuntao Wang 001; Shwetak N. Patel (EMBC, 2024)

DreamCatcher: A Wearer-aware Multi-modal Sleep Event Dataset Based on Earables in Non-restrictive Environments. - Zeyu Wang; Xiyuxing Zhang; Ruotong Yu; Yuntao Wang 001; Kenneth Christofferson; Jingru Zhang 005; Alex Mariakakis; Yuanchun Shi (NeurIPS, 2024)

Integrating Digital Calendars with Large Language Models for Stress Management Interventions. - Pranav Rao; Sarah Yi Xu; Ananya Bhattacharjee; Yuchen Zeng; Alex Mariakakis; Joseph Jay Williams (PERSUASIVE (Adjunct), 2024)

Users' Perspectives on Multimodal Menstrual Tracking Using Consumer Health Devices. - Georgianna Lin; Brenna Li; Helen Li; Chloe Zhao; Khai N. Truong; Alex Mariakakis (CoRR, 2024)

"It Explains What I am Currently Going Through Perfectly to a Tee": Understanding User Perceptions on LLM-Enhanced Narrative Interventions. - Ananya Bhattacharjee; Sarah Yi Xu; Pranav Rao; Yuchen Zeng; Jonah Meyerhoff; Syed Ishtiaque Ahmed; David C. Mohr; Michael Liut; Alex Mariakakis; Rachel Kornfield; Joseph Jay Williams (CoRR, 2024)

exHAR: An Interface for Helping Non-Experts Develop and Debug Knowledge-based Human Activity Recognition Systems. - Mohammad Kianpisheh; Alex Mariakakis; Khai N. Truong (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2024)

Users' Perspectives on Multimodal Menstrual Tracking Using Consumer Health Devices. - Georgianna Lin; Brenna Li; Jin Yi Li; Chloe Zhao; Khai N. Truong; Alexander Mariakakis (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2024)

ChromaFlash: Snapshot Hyperspectral Imaging Using Rolling Shutter Cameras. - Dhruv Verma; Ian Ruffolo; David B. Lindell; Kiriakos N. Kutulakos; Alex Mariakakis (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2024)

Perfectly to a Tee: Understanding User Perceptions of Personalized LLM-Enhanced Narrative Interventions. - Ananya Bhattacharjee; Sarah Yi Xu; Pranav Rao; Yuchen Zeng; Jonah Meyerhoff; Syed Ishtiaque Ahmed; David C. Mohr; Michael Liut; Alex Mariakakis; Rachel Kornfield; Joseph Jay Williams (Conference on Designing Interactive Systems, 2025)

A Comparative Analysis of Information Gathering by Chatbots, Questionnaires, and Humans in Clinical Pre-Consultation. - Brenna Li; Saba Tauseef; Khai N. Truong; Alex Mariakakis (CHI, 2025)

Fitting the Message to the Moment: Designing Calendar-Aware Stress Messaging with Large Language Models. - Pranav Rao; Maryam Taj; Alex Mariakakis; Joseph Jay Williams; Ananya Bhattacharjee (CUI, 2025)

Phoneme-Aware Acoustic Analysis of Natural Speech for Lung Function Assessment. - Sejal Bhalla; Tien Han; Andrea Gershon; Robert Wu; Eyal de Lara; Alex Mariakakis (ICASSP, 2025)

Investigating the Role of Situational Disruptors in Engagement with Digital Mental Health Tools. - Ananya Bhattacharjee; Joseph Jay Williams; Miranda L. Beltzer; Jonah Meyerhoff; Harsh Kumar; Haochen Song; David C. Mohr; Alex Mariakakis; Rachel Kornfield (CoRR, 2025)

Lessons Learned From FeverPhone: Towards Scalable, Accessible At-Home Diagnostics via Fever Detection on Unmodified Smartphones. - Joseph Breda; Mastafa Springston; Alex Mariakakis; Shwetak N. Patel (GetMobile Mob. Comput. Commun., 2025)

The Cognitive Strategies Behind Multimodal Health Sensemaking: A Menstrual Health Tracking Case Study. - Georgianna Lin; Minh Ngoc Le; Khai N. Truong; Alex Mariakakis (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2025)