Hongshik Ahn

17 papers A 1B 1Journal 14Unranked 1
YearRankTypeTitle / Venue / Authors
2026 J jnl
Joint Factual and Counterfactual Explanations for Top-k GNN-based Recommendations.
Trans. Recomm. Syst.
Ziheng Chen, Jin Huang, Fabrizio Silvestri, Yongfeng Zhang, Hongshik Ahn, Gabriele Tolomei
2025 — conf
Prompt-Tuning for Recommendation Unlearning.
CAI
Jin Huang, Zezhong Fan, Lalitesh Morishetti, Yuchan Guo, Kaushiki Nag, Hongshik Ahn, Ziheng Chen, Gabriele Tolomei
2024 J jnl
Explain the Explainer: Interpreting Model-Agnostic Counterfactual Explanations of a Deep Reinforcement Learning Agent.
IEEE Trans. Artif. Intell.
Ziheng Chen, Fabrizio Silvestri, Gabriele Tolomei, Jia Wang, He Zhu, Hongshik Ahn
2022 J jnl
GREASE: Generate Factual and Counterfactual Explanations for GNN-based Recommendations.
CoRR
Ziheng Chen, Fabrizio Silvestri, Jia Wang, Yongfeng Zhang, Zhenhua Huang, Hongshik Ahn, Gabriele Tolomei
2022 A conf
ReLAX: Reinforcement Learning Agent Explainer for Arbitrary Predictive Models.
CIKM
Ziheng Chen, Fabrizio Silvestri, Jia Wang, He Zhu, Hongshik Ahn, Gabriele Tolomei
2021 B conf
Costly Features Classification using Monte Carlo Tree Search.
IJCNN
Ziheng Chen, Jin Huang, Hongshik Ahn, Xin Ning
2021 J jnl
Costly Features Classification using Monte Carlo Tree Search.
CoRR
Ziheng Chen, Jin Huang, Hongshik Ahn, Xin Ning
2021 J jnl
ReLACE: Reinforcement Learning Agent for Counterfactual Explanations of Arbitrary Predictive Models.
CoRR
Ziheng Chen, Fabrizio Silvestri, Gabriele Tolomei, He Zhu, Jia Wang, Hongshik Ahn
2021 J jnl
Subgroup analysis of censored data on cancer treatment.
Commun. Stat. Simul. Comput.
Qing Zhang, Hongshik Ahn
2020 J jnl
Item Response Theory Based Ensemble in Machine Learning.
Int. J. Autom. Comput.
Ziheng Chen, Hongshik Ahn
2019 J jnl
Item Response Theory based Ensemble in Machine Learning.
CoRR
Ziheng Chen, Hongshik Ahn
2014 J jnl
Canonical Forest.
Comput. Stat.
Yu-Chuan Chen, Hyejung Ha, Hyunjoong Kim, Hongshik Ahn
2009 J jnl
A model-free ensemble method for class prediction with application to biomedical decision making.
Artif. Intell. Medicine
Ralph L. Kodell, Bruce A. Pearce, Songjoon Baek, Hojin Moon, Hongshik Ahn, John F. Young, James J. Chen
2008 J jnl
A decision support system to facilitate management of patients with acute gastrointestinal bleeding.
Artif. Intell. Medicine
Adrienne Chu, Hongshik Ahn, Bhawna Halwan, Bruce Kalmin, Everson L. A. Artifon, Alan Barkun, Michail G. Lagoudakis, Atul Kumar
2007 J jnl
Classification by ensembles from random partitions of high-dimensional data.
Comput. Stat. Data Anal.
Hongshik Ahn, Hojin Moon, Melissa J. Fazzari, Noha Lim, James J. Chen, Ralph L. Kodell
2007 J jnl
Ensemble methods for classification of patients for personalized medicine with high-dimensional data.
Artif. Intell. Medicine
Hojin Moon, Hongshik Ahn, Ralph L. Kodell, Songjoon Baek, Chien-Ju Lin, James J. Chen
2005 J jnl
Regression trees for analysis of count data with extra Poisson variation.
Comput. Stat. Data Anal.
Yunhee Choi, Hongshik Ahn, James J. Chen