510 citations · 775 across the 39 of their papers we have counts for
6 papers · 1 filter
Estimating Spread of Contact-Based Contagions in a Population Through Sub-Sampling
Sepanta Zeighami, Cyrus Shahabi, John Krumm
Physical contacts result in the spread of various phenomena such as viruses, gossips, ideas, packages and marketing pamphlets across a population. The spread depends on how people…
Kartta Labs: Collaborative Time Travel
Sasan Tavakkol, Feng Han, Brandon Mayer +4
We introduce the modular and scalable design of Kartta Labs, an open source, open data, and scalable system for virtually reconstructing cities from historical maps and photos. Kar…
Spatial Privacy Pricing: The Interplay between Privacy, Utility and Price in Geo-Marketplaces
Kien Nguyen, John Krumm, Cyrus Shahabi
A geo-marketplace allows users to be paid for their location data. Users concerned about privacy may want to charge more for data that pinpoints their location accurately, but may…
A Secure Location-based Alert System with Tunable Privacy-Performance Trade-off
Gabriel Ghinita, Kien Nguyen, Mihai Maruseac +1
Monitoring location updates from mobile users has important applications in many areas, ranging from public safety and national security to social networks and advertising. However…
DETECT: Deep Trajectory Clustering for Mobility-Behavior Analysis
Mingxuan Yue, Yaguang Li, Haoze Yang +3
Identifying mobility behaviors in rich trajectory data is of great economic and social interest to various applications including urban planning, marketing and intelligence. Existi…
Dynamic Skyline Queries on Encrypted Data Using Result Materialization
Sepanta Zeighami, Gabriel Ghinita, Cyrus Shahabi
Skyline computation is an increasingly popular query, with broad applicability in domains such as healthcare, travel and finance. Given the recent trend to outsource databases and…