PuPPIeS: Transformation-Supported Personalized Privacy Preserving Partial Image Sharing
Jianping He, Bin Liu, Deguang Kong, Xuan Bao, Na Wang, Hongxia Jin, George Kesidis
IEEE/IFIP DSN 2016, To Appear

Uncorrelated Group Lasso
Deguang Kong, Ji Liu, Bo Liu, Xuan Bao
AAAI 2016, To Appear

PinPlace: Associate Semantic Meanings with Indoor Locations without Active Fingerprinting

Xuan Bao, Bin Liu, Bo Tang, Deguang Kong, Bing Hu, Hongxia Jin

ACM UbiComp 2015

Visual Fingerprinting and Applications
He Wang, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi

​ACM MobiSys 2015

CommSense: Identify Social Relationship with Phone Contacts via Mining Communications (Invited Industrial Paper)

Xuan Bao, Jun Yang, Zhixian Yan, Lu Luo, Yifei Jiang, Emmanuel Munguia Tapia and Evan Welbourne


Connect the Dots by Understanding User Status and Transitions

Xuan Bao, Yilin Shen, Neil Zhenqiang Gong, Hongxia Jin, Bing Hu​

Finalists in UbiComp 2014 Data Competition, Published as Associated Workshop Paper

TagSense: A Smartphone based Approach to Automatic Image Tagging
Chuan Qin, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi
IEEE Transactions on Mobile Computing 2014 (TMC)

Crowdsourced Mobile Data Collection: Lessons Learned from a New Study Methodology

Evan Welbourne, Pang Wu, Xuan Bao, Emmanuel Munguia-Tapia

ACM HotMobile 2014

Your Reactions Suggest You Liked the Movie: Automatic Content Rating via Reaction Sensing

Xuan Bao, Songchun Fan, Alexander Varshavsky, Kevin A. Li, Romit Roy Choudhury

ACM UbiComp 2013 (Best Paper Honorable Mention)

The Case for Psychological Computing
Xuan Bao, Mahanth Gowda, Ratul Mahajan, Romit Roy Choudhury.
ACM HotMobile 2013

Recognizing Humans without Face Recognition
He Wang, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi
ACM HotMobile 2013 (Broad Media Coverage)

DataSpotting: Exploiting Naturally Clustered Mobile Devices to Offload Cellular Traffic
Xuan Bao, Uichin Lee, Ivica Rimac, Romit Roy Choudhury
IEEE Infocom (Mini Conference), 2013
ACM SIGMOBILE Mobile Computing and Communications Review, 2010

Help Mobile Apps Bootstrap with Fewer Users
Xuan Bao, Aman Kansal, Romit Roy Choudhury, Victor Bahl, David Chu, Alec Wolman
ACM UbiComp, Sep 2012

TagSense: A Smartphone based Approach to Automatic Image Tagging
Chuan Qin, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi
ACM MobiSys, June 2011 (Board Media Coverage)
The Case for Context-Aware Compression
Xuan Bao, Trevor Narayan, Ardalan Amiri Sani, Wolfgang Richter, Romit Roy Choudhury, Lin Zhong, Mahadev Satyanarayanan
ACM HotMobile, March 2011

"Did You See Bob?": Human Localization using Mobile Phones
Ionut Constandache, Xuan Bao, Martin Azizyan, Romit Roy Choudhury
ACM MobiCom, September 2010

Sensor Assisted Wireless Communication
Naveen Santhapuri, Justin Manweiler, Souvik Sen, Xuan Bao, Romit Roy Choudhury, Srihary Nelakuditi 
IEEE LANMAN (Invited Paper), May 2010

MoVi: Mobile Phone based Video Highlights via Collaborative Sensing
Xuan Bao, Romit Roy Choudhury
ACM MobiSys, June 2010

VUPoints: Collaborative Sensing and Video Recording through Mobile Phones
Xuan Bao, Romit Roy Choudhury
ACM MobiHeld (with ACM Sigcomm), August 2009
ACM SIGCOMM Computer Communication Review V.40 I. 1, January 2010
(One of the two Best Papers selected to Computer Communication Review)

Highlights: Event Coverage in Mobile Social Networks
Xuan Bao, Ionut Constandache, Romit Roy Choudhury
Runners Up at ACM MobiCom 2009 Student Research Competition (SRC)
ACM SIGMOBILE Mobile Computing and Communications Review, 2010


The Redmond lab has the greatest concentration of researchers, working across the broadest range of research areas in the company. Researchers in the Redmond lab focus on many different areas of research, including human-computer interaction, artificial intelligence, search technologies, natural user interfaces (NUI), networking, health and well-being, social science, and economics and computation.

Related Labs

Samsung Research America (SRA) plays a pivotal role in developing the next generation of discovery in software, user experience and services for future products that can enrich your life.

Since Bell Labs opened its doors in 1925, it has been consistently tasked with solving difficult industrial problems. Our diversity of researchers, emphasis on publishing and depth and breadth in the range of scientific and mathematical disciplines in the labs has set us apart from the beginning. We recognize that the nature of difficult, seemingly insoluble, problems is that great science is often required to reveal the answers, and sometimes great science emerges from technological advances.

AT&T delivers a wide range of communications and information services—from industry-leading networks, to cloud computing, to mobile applications and entertainment services—to millions of users around the world. In these dynamic marketplaces, invention and innovation are keys to growth.  As part of AT&T, Research is at a nexus of opportunity for leading invention and driving innovation.

The Department of Computer Science at Duke University excels in research, teaching, and learning in computer science, and engages with the broader community at Duke, in Research Triangle Park, and beyond to impact progress in computing and information technology.