User profiles for Hogun Park

Hogun Park

Assistant professor, College of Computing, Sungkyunkwan University (SKKU)
Verified email at skku.edu
Cited by 360

[PDF][PDF] Exploiting Interaction Links for Node Classification with Deep Graph Neural Networks.

H Park, J Neville - IJCAI, 2019 - ijcai.org
Node classification is an important problem in relational machine learning. However, in
scenarios where graph edges represent interactions among the entities (eg, over time), the …

A hybrid mood classification approach for blog text

Y Jung, H Park, SH Myaeng - PRICAI 2006: Trends in Artificial Intelligence …, 2006 - Springer
As an effort to detect the mood of a blog, regardless of the length and writing style, we
propose a hybrid approach to detecting blog text’s mood, which incorporates commonsense …

[HTML][HTML] Stretchable array electromyography sensor with graph neural network for static and dynamic gestures recognition system

…, J Kim, H Jung, KJ Yoon, S Gandla, H Park… - npj Flexible …, 2023 - nature.com
With advances in artificial intelligence (AI)-based algorithms, gesture recognition accuracy
from sEMG signals has continued to increase. Spatiotemporal multichannel-sEMG signals …

Laser‐induced carbonization for anticounterfeiting Tags

S Gandla, C Moon, S Baek, H Park… - Advanced Functional …, 2023 - Wiley Online Library
The counterfeiting of products is a serious concern for any nation with the increasing activity
of counterfeit markets. Anticounterfeiting tags demand low‐cost, unclonable, facile, and …

Learning procedures from text: Codifying how-to procedures in deep neural networks

H Park, HR Motahari Nezhad - Companion Proceedings of the The Web …, 2018 - dl.acm.org
A lot of knowledge about procedures and how-tos are described in text. Recently, extracting
semantic relations from the procedural text has been actively explored. Prior work mostly …

Providing post-hoc explanation for node representation learning models through inductive conformal predictions

H Park - IEEE Access, 2022 - ieeexplore.ieee.org
Learning with graph-structured data, such as social, biological, and financial networks, requires
effective low-dimensional representations to handle their large and complex interactions…

A framework for understanding online group behaviors during a catastrophic event

J Kim, H Park - International Journal of Information Management, 2020 - Elsevier
This study investigated the underlying mechanisms of online social media group behaviors
in an emergency. The proposed framework was designed to analyze group behaviors/…

Exploiting Relation-aware Attribute Representation Learning in Knowledge Graph Embedding for Numerical Reasoning

…, S Kim, KK Kim, S Park, H Jung, H Park - Proceedings of the 29th …, 2023 - dl.acm.org
Numerical reasoning is an essential task for supporting machine learning applications, such
as recommendation and information retrieval. The reasoning task aims to compare two …

Incorporating experts' judgment into machine learning models

H Park, A Megahed, P Yin, Y Ong, P Mahajan… - Expert Systems with …, 2023 - Elsevier
Abstract Machine learning (ML) models have been quite successful in predicting outcomes
in many applications. However, in some cases, domain experts might have a judgment about …

Generating post-hoc explanations for Skip-gram-based node embeddings by identifying important nodes with bridgeness

H Park, J Neville - Neural Networks, 2023 - Elsevier
Node representation learning in a network is an important machine learning technique for
encoding relational information in a continuous vector space while preserving the inherent …