10 citations · 19 across the 4 of their papers we have counts for
4 papers
Learning Economic Indicators by Aggregating Multi-Level Geospatial Information
Sungwon Park, Sungwon Han, Donghyun Ahn +8
High-resolution daytime satellite imagery has become a promising source to study economic activities. These images display detailed terrain over large areas and allow zooming into…
Elsa: Energy-based learning for semi-supervised anomaly detection
Sungwon Han, Hyeonho Song, Seungeon Lee +2
Anomaly detection aims at identifying deviant instances from the normal data distribution. Many advances have been made in the field, including the innovative use of unsupervised c…
Risk Communication in Asian Countries: COVID-19 Discourse on Twitter
Sungkyu Park, Sungwon Han, Jeongwook Kim +6
COVID-19 has become one of the most widely talked about topics on social media. This research characterizes risk communication patterns by analyzing the public discourse on the nov…
A Comprehensive Approach to Unsupervised Embedding Learning based on AND Algorithm
Sungwon Han, Yizhan Xu, Sungwon Park +2
Unsupervised embedding learning aims to extract good representation from data without the need for any manual labels, which has been a critical challenge in many supervised learnin…