Li Xiong

Li Xiong
Assured Information Mangement and Sharing (AIMS) Lab
Department of Computer Science
Department of Biomedical Informatics
Emory University

Address: 400 Dowman Dr, Atlanta, GA 30322
Office: Mathematics and Science Center E412
Phone: 404-727-0758, Fax: 404-727-5611
Email: lxiong AT

Google Scholar Profile | DBLP Entry

News and Activities

May 2020:  We are starting a new project REACT: Real-time Contact Tracing and Risk Monitoring via Privacy-enhanced Mobile Tracking in collaboration with USC and UT Health!

December 2019: The white paper Advances and Open Problems in Federated Learning is available on arxiv! Kudos to Google for leading this amazing team effort following the Workshop on Federated Learning and Analytics in June!

October 2019: Honored to be named ACM distinguished member. Many thanks to my endorsers, students, collaborators who made it possible!

October 2019: We received 1st Place in the 2019 iDASH Privacy & Secuity Competition blockchain track!  Congratulations Mark and Yang!

October 2018: We received 3rd Place in the 2018 iDASH Privacy & Secuity Competition blockchain track!  Congratulations Mark and Yang!

September 2018: We are starting a new project "TIMES: A tensor factorization platform for spatio-temporal data" funded by NSF BigData program in collaboration with Prof. Joyce Ho at Emory and Prof. Jimeng Sun from Georgia Tech. 

September 2018: We have a brand new Department of Computer Science and we are hiring! (Emory press release)

June 2018: Our paper Privacy-Preserving Reverse k-Nearest Neighbor Queries received the best paper runner up award at IEEE MDM 2018!

April 2018: Our paper Aesthetic-based Clothing Recommendation received Best Paper Honorable Mention at the Web conference 2018!

December 2017: Congratulations to Daniel Garcia Ulloa for successfully defending his PhD dissertation! Daniel will stay as a postdoctoral fellow at AIMS.  Wish him the best!

May 2017: Congratulations to Layla Pournajaf, Yonghui Xiao, and Jinfei Liu for successfully defending their PhD dissertation! Layla is continuing an internship at CareerBuilder, Yonghui joined Google, and Jinfei will work as a postdoctoral fellow at Emory and Georgia Tech.  Wish them all the best!

January 2017: Our collaborative project with UCSD on Decentralized differentially-private methods for dynamic data release and analysis is funded by NIH R01

November 2016: Congratulations to Michael Solomon and Haoran Li for successfully defending their PhD dissertations! Michael continues with his own consulting company and Haoran is joining eBay. Wish them the best!

August 2016: Our project on Next Generation Frameworks for Secure DDDAS/Infosymbiotics Systems is funded by the AFOSR DDDAS program!

August 2016: Our project on Rigorous and Customizable Spatiotemporal Privacy for Location Based Applications is funded by NSF SaTC!

June 2016: Our paper D-Grid: An In-Memory Dual Space Grid Index for Moving Object Databases received the best paper award at IEEE MDM 2016!

February 2016: Honored to be featured in Emory Report!

February 2016: Our project "Extending differential privacy for privacy preserving location sharing" received a Google Research Award!

January 2016: Congratulations to Xiaofeng Xu for successfully defending his PhD dissertation! Xiaofeng will join Facebook. Wish him the best!

December 2015: Our project "iCloak: privacy preserving individual location sharing" received an NSF I-Corps award!

November 2015: Our ACM SIGSPATIAL 2015 vision paper "Privacy-Preserving Inference of Social Relationships from Location Data" won the Computing Community Consortium (CCC) Blue Sky Ideas Best Paper Award (third place)!

October 2015: Giving a keynote talk at the SIGSPATIAL Workshop on Location-Based Social Networks (LBSN 2015). See you there!

October 2015: Presented our projects at the iDASH and pSCANNER Data Sharing Symposium. The program is very interdisciplinary and videos for all talks are now available!

September 2015: Co-organizing the 9th Workshop on Privacy and Anonymity in the Information Society (PAIS) again collocated with EDBT/ICDT 2015. Submissions are due December 11. Please consider submiting!

August 2015: Honored to be named the Winship Distinguished Research Professor in Mathematics and Natural Science at Emory for 2015-2018!

August 2015: Giving a keynote talk at the Privacy Preserving IR 2015 Workshop and participating in a data privacy panel at the USENIX Summit on Information Technologies for Health (HealthTech '15). Both have interesting programs, see you there!

July 2015: Congratulations to Luca Bonomi who successfully defended his PhD dissertation! Luca will join University of California at San Diego as a postdoctoral fellow. Wish him the best!

April 2015: Our project SHARE: Statistical Health Information Release with Differential Privacy in collaboration with the NCBC iDASH is funded by NIH R01!

March 2015: Postdoc position available in data privacy and health informatics. Please contact me if you are interested!

February 2015: Co-organizing the iDASH Privacy & Security Workshop 2015 - Secure Genome Analysis Competition. Please consider participating! (Media coverage in GenomeWeb and Nature News)

December 2014: Co-organizing the Workshop on Privacy and Anonymity in the Information Society (PAIS) again collocated with EDBT/ICDT 2015. Submissions are due December 29. Looking forward to seeing you at the workshop!

September 2014: Our project on Building Data Registries with Privacy and Confidentiality for PCOR in collaboration with Emory BMI and UCSD was funded by PCORI! (Emory press release)

Brief Bio
Li Xiong is a Professor of Computer Science and Biomedical Informatics at Emory University. She held a Winship Distinguished Research Professorship from 2015-2018. She has a Ph.D. from Georgia Institute of Technology, an MS from Johns Hopkins University, and a BS from the University of Science and Technology of China, all in Computer Science. She and her research lab, Assured Information Management and Sharing (AIMS), conduct research on algorithms and methods for big data management, machine learning, and data privacy and security, in the context of spatiotemporal and health data. She has published over 130 papers and received six best paper (runner up) awards. She has served and serves as associate editor for IEEE Transactions on Knowledge and Data Engineering (TKDE), Very Large Database Journals (VLDBJ), IEEE Transactions on Dependable and Secure Computing (TDSC), program co-chair for ACM SIGSPATIAL 2018, 2020, IEEE Big Data 2020, program vice-chair for IEEE International Conference on Data Engineering (ICDE) 2020, and on many program committees for data science and data security conferences. Her research is supported by National Science Foundation (NSF), AFOSR (Air Force Office of Scientific Research), National Institute of Health (NIH), and Patient-Centered Outcomes Research Institute (PCORI). She is also a recipient of Google Research Award, IBM Smarter Healthcare Faculty Innovation Award, Cisco Research Award, AT&T Research Gift, and Woodrow Wilson Career Enhancement Fellowship.