Detecting and tracing plagiarized documents by reconstruction plagiarism-evolution tree. - Chang-Keon Ryu; Hyong-Jun Kim; Seung-Hyun Ji; Gyun Woo; Hwan-Gue Cho (CIT, 2008)

A Realistic Chat Environment for Virtual Avatars in Cyber Space. - Soo-Hyun Park; Seung-Hyun Ji; Dong-Sung Ryu; Hwan-Gue Cho (CW, 2008)

ANew 3-Dimensional Comic Chat Environment for On-line Game Avatars. - Soo-Hyun Park; Seung-Hyun Ji; Dong-Sung Ryu; Hwan-Gue Cho (DIGITEL, 2008)

A Textual Dialogue Management System for Internet Chatting Over Virtual Agents Communication. - Soo-Hyun Park; Seung-Hyun Ji; Dong-Sung Ryu; Hwan-Gue Cho (NCM (2), 2008)

A new cognition-based chat system for avatar agents in virtual space. - Soo-Hyun Park; Seung-Hyun Ji; Dong-Sung Ryu; Hwan-Gue Cho (VRCAI, 2008)

AVACHAT: a new comic-based chat system for virtual avatars. - Soo-Hyun Park; Seung-Hyun Ji; Dong-Sung Ryu; Hwan-Gue Cho (VRST, 2008)

Extended social network: a new generalized framework for virtual world analysis. - Seung-Hyun Ji; Woo-Keun Chung; Hwan-Gue Cho (VRCAI, 2009)

Reconstructing chat history for avatar agents using spatio-temporal features of virtual space. - Seung-Hyun Ji; Tae-Jin Yoon; Hwan-Gue Cho (VRST, 2009)

How to manage interactive dialogues of avatar agents by using 3D spatial information of virtual world. - Seung-Hyun Ji; Jong-Woo Kim; Taijin Yoon; Hwan-Gue Cho (SAC, 2010)

A New Communication Network Model for Chat Agents in Virtual Space. - Jong-Woo Kim; Seung-Hyun Ji; Seon-Yeong Kim; Hwan-Gue Cho (KSII Trans. Internet Inf. Syst., 2011)

Modern Probabilistic Machine Learning and Control Methods for Portfolio Optimization. - Jooyoung Park; Jungdong Lim; Wonbu Lee; Seung-Hyun Ji; Keehoon Sung; Kyungwook Park (Int. J. Fuzzy Log. Intell. Syst., 2014)