Multimedia Networking and Systems Lab

Crowdsourcing Multimedia QoE Evaluation: A Trusted Framework
Chen-Chi Wu, Kuan-Ta Chen, Yu-Chun Chang, and Chin-Laung Lei
IEEE Transactions on Multimedia, to appear.
GamingAnywhere: An Open Cloud Gaming System
Chun-Ying Huang, Cheng-Hsin Hsu, Yu-Chun Chang, and Kuan-Ta Chen
ACM Multimedia Systems 2013, to appear.
Gender Swapping and User Behaviors in Online Social Games
Jing-Kai Lou, Kunwoo Park, Meeyoung Cha, Juyong Park, Chin-Laung Lei, and Kuan-Ta Chen
ACM WWW 2013, to appear.

An Analytical Model for Generalized ESP Games
Bo-Chun Wang, Chien-Wei Lin, Kuan-Ta Chen, and Ling-Jyh Chen
Knowledge-Based Systems, Oct, 2012.
Radar Chart: Scanning for Satisfactory QoE in QoS Dimensions
Yu-Chun Chang, Chi-Jui Chang, Kuan-Ta Chen, and Chin-Laung Lei
IEEE Network, July, 2012.
Trajectory Analysis for User Verification and Recognition
Hsing-Kuo Pao, Junaidillah Fadlil, Hong-Yi Lin, and Kuan-Ta Chen
Knowledge-Based Systems, Oct, 2012.
Are All Games Equally Cloud-Gaming-Friendly? An Electromyographic Approach
Yeng-Ting Lee, Kuan-Ta Chen, Han-I Su, and Chin-Laung Lei
IEEE/ACM NetGames 2012.
Forecasting Online Game Addictiveness
Jing-Kai Lou, Kuan-Ta Chen, Hwai-Jung Hsu, and Chin-Laung Lei
IEEE/ACM NetGames 2012.
Pomics: A Computer-aided Storytelling System with Automatic Picture-to-Comics Composition
Ming-Hui Wen, Ruck Thawonmas, and Kuan-Ta Chen
TAAI 2012.

Analysis of Revisitations in Online Games
Ruck Thawonmas, Keisuke Yoshida, Jing-Kai Lou, and Kuan-Ta Chen
Entertainment Computing, 2011.
DevilTyper: A Game for CAPTCHA Usability Evaluation
Chien-Ju Ho, Chen-Chi Wu, Kuan-Ta Chen, and Chin-Luang Lei
ACM Computers in Entertainment, April, 2011.
Using One-Time Passwords to Prevent Password Phishing Attacks
Chun-Ying Huang, Shang-Ping Ma, and Kuan-Ta Chen
Journal of Network and Computer Applications, July, 2011.
Measuring The Latency of Cloud Gaming Systems
Kuan-Ta Chen, Yu-Chun Chang, Po-Han Tseng, Chun-Ying Huang, and Chin-Laung Lei
ACM Multimedia 2011.
Quantifying QoS Requirements of Network Services: A Cheat-Proof Framework
Kuan-Ta Chen, Chen-Chi Wu, Yu-Chun Chang, and Chin-Laung Lei
ACM Multimedia Systems 2011.
World of Warcraft Avatar History Dataset
Yeng-Ting Lee, Kuan-Ta Chen, Yun-Maw Cheng, and Chin-Laung Lei
ACM Multimedia Systems 2011.
Stepping Stone Detection at The Server Side
Ruei-Min Lin, Yi-Chun Chou, and Kuan-Ta Chen
IEEE SCNC 2011 (in conjunction with IEEE INFOCOM 2011).
Video Summarization via Crowdsourcing
Shao-Yu Wu, Ruck Thawonmas, and Kuan-Ta Chen
ACM CHI 2011 (Works-in-Progress Program).
Bot Detection in Rhythm Games: A Physiological Approach
Ruei-Min Lin, Hwai-Chung Ho, and Kuan-Ta Chen
ACM SIGCHI ACE 2011.
Bayesian Piggyback Control for Improving Real-Time Communication Quality
Wei-Cheng Xiao and Kuan-Ta Chen
IEEE CQR 2011.
Deployment Issues of Voronoi Self-Organizing Overlays
Man-Chun Li, Shun-Yun Hu, and Kuan-Ta Chen
IEEE SASO 2011 (poster).
On The Battle between Online Gamers and Lags
Po-Han Tseng, Nai-Ching Wang, Ruei-Min Lin, and Kuan-Ta Chen
IEEE CQR 2011.
Privacy Crisis due to Crisis Response on the Web
Shao-Yu Wu, Ming-Hung Wang, and Kuan-Ta Chen
IEEE TrustCom 2011.
Self-organizing Spatial Publish Subscribe
Shun-Yun Hu and Kuan-Ta Chen
IEEE/ACM ICAC 2011 (poster).
Understanding The Performance of Thin-Client Gaming
Yu-Chun Chang, Po-Han Tseng, Kuan-Ta Chen, and Chin-Laung Lei
IEEE CQR 2011.
VSO: Self-organizing Spatial Publish Subscribe
Shun-Yun Hu and Kuan-Ta Chen
IEEE SASO 2011.

Can Skype be More Satisfying? -- A QoE-Centric Study of the FEC Mechanism in the Internet-Scale VoIP System
Te-Yuan Huang, Polly Huang, Kuan-Ta Chen, and Po-Jung Wang
IEEE Network, March, 2010.
Game Bot Detection via Avatar Trajectory Analysis
Hsing-Kuo Pao, Kuan-Ta Chen, and Hong-Chung Chang
IEEE Transactions on Computational Intelligence and AI in Games, Sep, 2010.
KissKissBan: A Competitive Human Computation Game for Image Annotation
Chien-Ju Ho, Tao-Hsuan Chang, Jong-Chuan Lee, Jane Yung-jen Hsu, and Kuan-Ta Chen
ACM SIGKDD Explorations, June, 2010.
Quadrant of Euphoria: A Crowdsourcing Platform for QoE Assessment
Kuan-Ta Chen, Chi-Jui Chang, Chen-Chi Wu, Yu-Chun Chang, and Chin-Laung Lei
IEEE Network, March, 2010.
The Design of Puzzle Selection Strategies for GWAP Systems
Ling-Jyh Chen, Bo-Chun Wang, and Kuan-Ta Chen
Concurrency and Computation: Practice and Experience, Feb, 2010.
Is Server Consolidation Beneficial to MMORPG? A Case Study of World of Warcraft
Yeng-Ting Lee and Kuan-Ta Chen
IEEE CLOUD 2010.
Fast-Flux Bot Detection in Real Time
Ching-Hsiang Hsu, Chun-Ying Huang, and Kuan-Ta Chen
RAID 2010.
Spatiotemporal Analysis in Virtual Environments using Eigenbehaviors
Kingkarn Sookhanaphibarn, Ruck Thawonmas, Frank Rinaldo, and Kuan-Ta Chen
ACM ACE 2010.
Online Game QoE Evaluation using Paired Comparisons
Yu-Chun Chang, Kuan-Ta Chen, Chen-Chi Wu, Chien-Ju Ho, and Chin-Laung Lei
IEEE CQR 2010.
Radar Chart: Scanning for High QoE in QoS Dimensions
Yu-Chun Chang, Chi-Jui Chang, Kuan-Ta Chen, and Chin-Laung Lei
IEEE CQR 2010.
What Can the Temporal Social Behavior Tell Us? An Estimation of Vertex-Betweenness Using Dynamic Social Informations
Jing-Kai Lou, Shou-de Lin, Kuan-Ta Chen, and Chin-Laung Lei
ASONAM 2010.
Trajectory based Behavior Analysis for User Verification
Hsing-Kuo Pao, Hong-Yi Lin, and Kuan-Ta Chen
IDEAL 2010.

Effect of Network Quality on Player Departure Behavior in Online Games
Kuan-Ta Chen, Polly Huang, and Chin-Laung Lei
IEEE Transactions on Parallel and Distributed Systems, May, 2009.
Fighting Phishing with Discriminative Keypoint Features
Kuan-Ta Chen, Jau-Yuan Chen, Chun-Rong Huang, and Chu-Song Chen
IEEE Internet Computing, May, 2009.
Identifying MMORPG Bots: A Traffic Analysis Approach
Kuan-Ta Chen, Jhih-Wei Jiang, Polly Huang, Hao-Hua Chu, Chin-Laung Lei, and Wen-Chin Chen
EURASIP Journal on Advances in Signal Processing, 2009.
On the Challenge and Design of Transport Protocols for MMORPGs
Chen-Chi Wu Kuan-Ta Chen Chih-Ming Chen Polly Huang and Chin-Laung Lei
Multimedia Tools and Applications (special issue on Massively Multiuser Online Gaming Systems and Applications), Oct, 2009.
A Crowdsourceable QoE Evaluation Framework for Multimedia Content
Kuan-Ta Chen, Chen-Chi Wu, Yu-Chun Chang, and Chin-Laung Lei
ACM Multimedia 2009.
OneClick: A Framework for Measuring Network Quality of Experience
Kuan-Ta Chen, Cheng Chun Tu, and Wei-Cheng Xiao
IEEE INFOCOM 2009.
Tuning the Redundancy Control Algorithm of Skype for User Satisfaction
Te-Yuan Huang, Kuan-Ta Chen, and Polly Huang
IEEE INFOCOM 2009.
Automatic Storytelling in Comics: A Case Study on World of Warcraft
Chia-Jung Chan, Ruck Thawonmas, and Kuan-Ta Chen
ACM CHI 2009 (Works-in-Progress Program).
On Prophesying Online Gamer Departure
Pin-Yun Tarng, Kuan-Ta Chen, and Polly Huang
ACM NetGames 2009 (poster).
An Empirical Evaluation of VoIP Playout Buffer Dimensioning in Skype
Chen-Chi Wu, Kuan-Ta Chen, Chun-Ying Huang, and Chin-Laung Lei
ACM NOSSDAV 2009.
KissKissBan: a competitive human computation game for image annotation
Ho Chien-Ju, Chang Tao-Hsuan, Lee Jong-Chuan, Hsu Jane Yung-jen, and Chen Kuan-Ta
Human Computation Workshop 2009.
On formal models for social verification
Ho Chien-Ju and Chen Kuan-Ta
Human Computation Workshop 2009.
Peer-to-Peer Application Recognition Based on Signaling Activity
Chen-Chi Wu, Kuan-Ta Chen, Yu-Chun Chang, and Chin-Laung Lei
IEEE ICC 2009.
Analysis of Area Revisitation Patterns in World of Warcarft
Ruck Thawonmas, Keisuke Yoshida, Jing-Kai Lou, and Kuan-Ta Chen
IFIP ICEC 2009.
A Collusion-Resistant Automation Scheme for Social Moderation Systems
Jing-Kai Lou, Kuan-Ta Chen, and Chin-Laung Lei
IEEE CCNC 2009.
Comparison of User Trajectories Based on Coordinate Data and State Transitions
Junichi Oda, Ruck Thawonmas, and Kuan-Ta Chen
IEEE IIHMSP 2009.
Analysis of User Trajectories Based on Data Distribution and State Transition: A Case Study with a Massively Multiplayer Online Game Angel Love Online
Ruck Thawonmas, Junichi Oda, and Kuan-Ta Chen
GAMEON 2009 (Best Paper Award Candidate).
Counteracting Phishing Page Polymorphism: An Image Layout Analysis Approach
Ieng-Fat Lam, Wei-Cheng Xiao, Szu-Chi Wang, and Kuan-Ta Chen
ISA 2009.

A Generalizable Methodology for Quantifying User Satisfaction
Te-Yuan Huang, Kuan-Ta Chen, Polly Huang, and Chin-Laung Lei
IEICE Transactions on Communications, May, 2008.
A User-Centric Framework for Comparing Applications Network Robustness
Hung-Hsuan Chen, Cheng-Chun Tu, and and Kuan-Ta Chen
ACM SIGCOMM 2008 (poster).
Detecting Peer-to-Peer Activity by Signaling Packet
Chen-Chi Wu, Kuan-Ta Chen, Yu-Chun Chang, and Chin-Laung Lei
ACM SIGCOMM 2008 (poster).
OneClick: A Framework for Capturing Users Network Experiences
Cheng-Chun Tu, Kuan-Ta Chen, Yu-Chun Chang, and Chin-Laung Lei
ACM SIGCOMM 2008 (poster).
An Analysis of WoW Players Game Hours
Pin-Yun Tarng, Kuan-Ta Chen, and Polly Huang
ACM NetGames 2008.
Game Bot Identification based on Manifold Learning
Kuan-Ta Chen, Hsing-Kuo Kenneth Pao, and Hong-Chung Chang
ACM NetGames 2008.
Quantifying the Effect of Content-based Transport Strategies for Online Role Playing Games
Chih-Ming Chen, Te-Yuang Huang, Kuan-Ta Chen, and Polly Huang
ACM NetGames 2008 (Poster).
Toward an Understanding of the Processing Delay of Peer-to-Peer Relay Nodes
Kuan-Ta Chen and Jing-Kai Lou
IEEE/IFIP DSN 2008.
Inferring Speech Activities from Encrypted Skype Traffic
Yu-Chun Chang, Kuan-Ta Chen, Chen-Chi Wu, and Chin-Laung Lei
IEEE Globecom 2008.
Game Bot Detection Based on Avatar Trajectory
Kuan-Ta Chen, Andrew Liao, Hsing-Kuo Kenneth Pao, and Hao-Hua Chu
IFIP ICEC 2008.
Detection of MMORPG Bots Based on Behavior Analysis
Ruck Thawonmas, Yoshitaka Kashifuji, and Kuan-Ta Chen
ACM ACE 2008.
An Analytical Approach to Optimizing The Utility of ESP Games
Chien-Wei Lin, Kuan-Ta Chen, Ling-Jyh Chen, Irwin King, and Jimmy Ho-Man Lee
IEEE/WIC/ACM Web Intelligence 2008.
An Analytical Study of Puzzle Selection Strategies for the ESP Game
Ling-Jyh Chen, Bo-Chun Wang, Kuan-Ta Chen, Irwin King, and Jimmy Ho-Man Lee
IEEE/WIC/ACM Web Intelligence 2008.
Rapid Detection of Constant-Packet-Rate Flows
Kuan-Ta Chen and Jing-Kai Lou
IEEE ARES 2008.
Involuntary Information Leakage in Social Network Services
Ieng-Fat Lam, Kuan-Ta Chen, and Ling-Jyh Chen
IWSEC 2008 (Best Paper Award).
Surfing in the Crowd: Feasibility Study of Experience Sharing in a Taiwanese Night Market
Chao-Lung Lee, Yun-Maw Cheng, Wai Yu, Ching-Long Yeh, Li-Chieh Chen, and Kuan-Ta Chen
OZCHI 2008.
Detecting VoIP Traffic Based on Human Conversation Patterns
Chen-Chi Wu, Kuan-Ta Chen, Yu-Chun Chang, and Chin-Laung Lei
IPTCOMM 2008.

Detection of Landmarks for Clustering of Online-Game Players
Ruck Thawonmas, Masayoshi Kurashige, and Kuan-Ta Chen
The International Journal of Virtual Reality, 2007.
Secure Multicast in Dynamic Environments
Chun-Ying Huang, Yun-Peng Chiu, Kuan-Ta Chen, and Chin-Laung Lei
Computer Networks, July, 2007.
Towards User-Centric Rate Adaptations for VoIP Traffic
Te-Yuan Huang, Chih-Ming Chen, Kuan-Ta Chen, and Polly Huang
ACM SIGCOMM 2007 (poster).
Finding Self-Similarities in Opportunistic People Networks
Ling-Jyh Chen, Yung-Chih Chen, Tony Sun, Paruvelli Sreedevi, Kuan-Ta Chen, Chen-Hung Yu, and Hao-hua Chu
IEEE INFOCOM 07 (mini-symposium).
User Identification based on Game-Play Activity Patterns
Kuan-Ta Chen and Li-Wen Hong
ACM NetGames 2007.
Detection of Landmarks for Clustering of Online-Game Players
Ruck Thawonmas, Masayoshi Kurashige, and Kuan-Ta Chen
IFIP ICEC 2007.
Detecting Bad Mouthing Behavior in Reputation Systems
Kuan-Ta Chen, Cheng-Chun Lou, Polly Huang, and Ling-Jyh Chen
Wikimania 2007 (poster).
Improving Reliability of Web 2.0-based Rating Systems Using Per-user Trustiness
Yu-Hsin Shih, Ling-Jyh Chen, and Kuan-Ta Chen
Wikimania 2007 (poster).

How Sensitive are Online Gamers to Network Quality?
Kuan-Ta Chen, Polly Huang, and Chin-Laung Lei
Communications of the ACM, November, 2006.
Game Traffic Analysis: An MMORPG Perspective
Kuan-Ta Chen, Polly Huang, and Chin-Laung Lei
Computer Networks, Nov, 2006.
Quantifying Skype User Satisfaction
Kuan-Ta Chen, Chun-Ying Huang, Polly Huang, and Chin-Laung Lei
ACM SIGCOMM 2006.
On the Sensitivity of Online Game Playing Time to Network QoS
Kuan-Ta Chen, Polly Huang, Guo-Shiuan Wang, Chun-Ying Huang, and Chin-Laung Lei
IEEE INFOCOM 2006.
Network Game Design: Hints and Implications of Player Interaction
Kuan-Ta Chen and Chin-Laung Lei
ACM NetGames 2006.
Mitigating Active Attacks Towards Client Networks Using the Bitmap Filter
Chun-Ying Huang, Kuan-Ta Chen, and Chin-Laung Lei
IEEE DSN 2006.
Design Implications of Social Interaction in Online Games
Kuan-Ta Chen and Chin-Laung Lei
IFIP ICEC 2006.
A Distributed Key Assignment Protocol for Secure Multicast based on Proxy Cryptography
Chun-Ying Huang, Yun-Peng Chiu, Kuan-Ta Chen, and Chin-Laung Lei
ACM ASIACCS 2006.
An Empirical Evaluation of TCP Performance in Online Games
Kuan-Ta Chen, Chun-Ying Huang, Polly Huang, and Chin-Laung Lei
ACM SIGCHI ACE 2006.
Identifying MMORPG Bots: A Traffic Analysis Approach
Kuan-Ta Chen, Jhih-Wei Jiang, Polly Huang, Hao-Hua Chu, Chin-Laung Lei, and Wen-Chin Chen
ACM SIGCHI ACE 2006.

Game Traffic Analysis: An MMORPG Perspective
Kuan-Ta Chen, Polly Huang, Chun-Ying Huang, and Chin-Laung Lei
ACM NOSSDAV 2005.
Secure Content Delivery using Key Composition
Chun-Ying Huang, Yun-Peng Chiu, Kuan-Ta Chen Hann-Huei Chiou, and Chin-Laung Lei
IEEE LCN 2005.
The Impact of Network Variabilities on TCP Clocking Schemes
Kuan-Ta Chen, Polly Huang, Chun-Ying Huang, and Chin-Laung Lei
IEEE Global Internet 2005.