23 citations · 45 across the 6 of their papers we have counts for
6 papers
Differentially Private Publication of Location Entropy
Hien To, Kien Nguyen, Cyrus Shahabi
Location entropy (LE) is a popular metric for measuring the popularity of various locations (e.g., points-of-interest). Unlike other metrics computed from only the number of (uniqu…
m-TSNE: A Framework for Visualizing High-Dimensional Multivariate Time Series
Minh Nguyen, Sanjay Purushotham, Hien To +1
Multivariate time series (MTS) have become increasingly common in healthcare domains where human vital signs and laboratory results are collected for predictive diagnosis. Recently…
On Identifying Disaster-Related Tweets: Matching-based or Learning-based?
Hien To, Sumeet Agrawal, Seon Ho Kim +1
Social media such as tweets are emerging as platforms contributing to situational awareness during disasters. Information shared on Twitter by both affected population (e.g., reque…
A Real-Time Framework for Task Assignment in Hyperlocal Spatial Crowdsourcing
Luan Tran, Hien To, Liyue Fan +1
Spatial Crowdsourcing (SC) is a novel platform that engages individuals in the act of collecting various types of spatial data. This method of data collection can significantly red…
Location Privacy in Spatial Crowdsourcing
Hien To, Cyrus Shahabi
Spatial crowdsourcing (SC) is a new platform that engages individuals in collecting and analyzing environmental, social and other spatiotemporal information. With SC, requesters ou…
Distributed Data Processing Frameworks for Big Graph Data
Afsin Akdogan, Hien To
Recently we create so much data (2.5 quintillion bytes every day) that 90% of the data in the world today has been created in the last two years alone [1]. This data comes from sen…