Professional Activities:

Editorships:

• Associate Editor, Journal of Intelligent Manufacturing, (SCI-indexed), since 2022.

• Editor, Journal of Management and Systems (管理與系統), (TSSCI-indexed), since 2021.

• Area Editor, International Journal of Operations Research (IJOR), since 2022.

• Guest Editor, Special issue on 'System and embedded device security for openly deployed industrial cyber-physical systems', IEEE Transactions on Cyber-Physical Systems, 2023.

• Guest Editor, Special issue on 'WALCOM 2023', Theoretical Computer Science, (SCI-indexed), to appear.

• Guest Editor, Special issue on 'WALCOM 2023', Algorithmica, (SCI-indexed), to appear.

• Guest Editor, Special issue on 'WALCOM 2023', Journal of Graph Algorithms and Applications, (SCI-indexed), to appear.

• Guest Editor, Special issue on 'Recent Advance in Future IoT for Intelligent Society and Industry', Journal of Internet Technology, (SCI-indexed), 2022.

• Guest Editor, Special issue on 'Recent Internet of Things applications in smart grid and various industries', Mobile Networks & Applications, (SCI-indexed), 2022.

• Guest Editor, Special issue on 'Soft computing in applied sciences and industrial applications', Applied Sciences, (SCI-indexed), 2020.

• Guest Editor, Special issue on 'Emerging topics in mobile & wireless networks', Journal of Internet Technology, (SCI-indexed), 2017.

• Editorial Board Member, SpringerPlus, (SCI-indexed), 2016.

• Associate Editor-in-Chief, Journal of Computers, (EI-indexed), 2012 - 2016.

Hosting conferences:

• General Chair, 17th International Symposium on Visual Information Communication and Interaction (VINCI 2024), Hsinchu, Taiwan, Dec. 11-13, 2024.

• TPC Co-Chair, 2024 International Conference on Information Technology, Data Science, and Optimization (I-DO 2024), Taipei, Taiwan, May 22-24, 2024.

• Conference Chair, 19th Annual Meeting of the Operations Research Society of Taiwan (ORSTW 2023) (第十九屆台灣作業研究學會年會), Taichung, Taiwan, December 1, 2023.

• TPC Co-Chair, 4th International Artificial Intelligence and Blockchain Conference (AIBC 2023), Aizu-Wakamatsu, Japan, Oct. 27-29, 2023.

• TPC Co-Chair & Organizing Chair, 17th International Conference and Workshops on Algorithms and Computation (WALCOM 2023), Hsinchu, Taiwan, March 22-24, 2023.

• Conference Chair, 18th Annual Meeting of the Operations Research Society of Taiwan (ORSTW 2022) (第十八屆台灣作業研究學會年會), Hsinchu, Taiwan, December 9, 2022.

• TPC Co-Chair, 4th EAI International Conference on Smart Grid and Internet of Things (SGIoT 2020), Taichung, Taiwan, December 5-6, 2020.

• TPC Co-Chair, 12th EAI International Wireless Internet Conference (WiCON 2019), Taichung, Taiwan, November 26-27, 2019.

• Conference Co-Chair, 36th Workshop on Combinatorial Mathematics and Computation Theory (第36屆組合數學與計算理論研討會), Hsinchu, Taiwan, May 24-25, 2019.

• TPC Co-Chair, 11th EAI International Wireless Internet Conference (WiCON 2018), Taipei, Taiwan, October 15-16, 2018.

• Organizing Co-Chair, 11th International Conference and Workshops on Algorithms and Computation (WALCOM 2017), Hsinchu, Taiwan, March 29-31, 2017.

• TPC Co-Chair, 11th International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness (Qshine 2015), Taipei, Taiwan, August 19-20, 2015.

• General Chair, 9th International Conference Computer Graphics, Imaging and Visualization (CGIV 2012), Hsinchu, Taiwan, July 24, 25-27, 2012.

Assisting in organizing conferences:

• Steering Chair, 3rd International Conference on Artificial Intelligence, Automation and Algorithm (AI2A 2023), Beijing, China, July 21-23, 2023.

• Steering Chair, 2021 International Conference on Artificial Intelligence, Automation and Algorithm (AI2A 2021), Singapore, July 23-25, 2021.

• Steering Co-chair, 2nd International Artificial Intelligence and Blockchain Conference (AIBC 2021), Macau, China, Feb. 24-26, 2021.

• Special Session Co-Chair, Special Session on Swarm Intelligence in Operations Research, Management Science, and Decision-Making, 2019 IEEE Congress on Evolutionary Computation (CEC 2019), Wellington, New Zealand, June 10-13, 2019.

• Advisory Board Member, The International Conference on Recent Advancements in Computing, IoT and Computer Engineering Technology (CICET 2017), Taipei, Taiwan, October 23-25, 2017.

• Tutorial/Workshop Chair, 25th Pacific Conference on Computer Graphics and Applications (Pacific Graphics 2017), Taipei, Taiwan, October 16-19, 2017.

• Publication Chair, 3rd EAI International Conference on IoT as a Service (IoTaaS 2017), Taichung, Taiwan, Sep. 20-21, 2017.

• Symposium Chair, 12th International Conference Computer Graphics, Imaging and Visualization (CGiV 2015) - International Symposium Visualization in Communication Networks (VCN), Barcelona, Spain, July 21-24, 2015.

• Symposium Co-Chair, 9th International Conference on Communications and Networking in China (ChinaCom 2014) – Communication QoS, Reliability & Modeling Symposium, MaoMing, Guangdong, China, August 14-16, 2014.

• Symposium Chair, 11th International Conference Computer Graphics, Imaging and Visualization (CGiV 2014) - International Symposium Visualization in Communication Networks (VCN), Singapore, August 6-8, 2014.

• Publicity Co-Chair, 4th FTRA International Conference on Advanced IT, engineering and Management (AIM-14), Jeju, Korea, February 19-22, 2014.

• Proceedings Chair, First IEEE International Symposium on Mobile Cloud, Computing, and Service Engineering (MobileCloud 2013), San Francisco, USA, March 26 - 28, 2013.

• Publicity Co-Chair, 8th International Conference on Grid and Pervasive Computing (GPC 2013), Seoul, Korea, May 9 - 11, 2013.

• Publicity Co-Chair, 2013 FTRA International Conference on Advanced IT, engineering and Management (FTRA AIM-13), Seoul, Korea, Feb. 21-23, 2013.

• Local Arrangement Co-Chair, 15th International Symposium on Wireless Personal Multimedia Communications (WPMC 2012), Taipei, Taiwan, Sep. 24-27, 2012.

• Workshop Chair, 9th IFIP International Conference on Network and Parallel Computing (NPC 2012), Gwangju, Korea, Sep. 6-8, 2012.

• Special Session Co-Chair, Special Session on Future Wireless Networking and Its Applications, 2012 International Symposium on Computer, Consumer and Control (IS3C 2012), Taichung, Taiwan, June 4-6, 2012.

• Workshop Co-Chair, 1st International Workshop on Mobile Social Networking and Cloud Computing (MSC 2011), (in cooperation with 2nd International Conference on Security-enriched Urban Computing and Smart Grids (SUComS 2011)), Hualien, Taiwan, Sep. 21 - 23, 2011.

• Web Co-Chair, 6th International Conference on Communications and Networking in China (ChinaCom 2011), Harbin, China, Aug. 17-19, 2011.

• Workshop Co-Chair, 3rd International Workshop on Mobile P2P Networks (Mobile P2P), (in cooperation with 7th International Wireless Communications and Mobile Computing Conference (IWCMC 2011)), Istanbul, Turkey, July 5 - 8, 2011.

Program Committees:

• 19th International Symposium on Visual Computing (ISVC 2024), Lake Tahoe, Nevada, USA, Oct. 21-23, 2024.

• 15th International Conference on Ubiquitous and Future Networks (ICUFN 2024), Budapest, Hungary, July 2-5, 2024.

• 19th International Conference and Workshops on Algorithms and Computation (WALCOM 2025), Chengdu, China, February 28 - March 02, 2025.

• 18th International Conference and Workshops on Algorithms and Computation (WALCOM 2024), Kanazawa, Japan, March 18-20, 2024.

• 6th International Conference on Artificial Intelligence in Information and Communication (ICAIIC 2024), Osaka, Japan, February 19-22, 2024.

• The 38th International Conference on Information Networking (ICOIN 2024),Ho Chi Minh City, Vietnam, January 17-19, 2024.

• 18th International Symposium on Visual Computing (ISVC 2023), Lake Tahoe, Nevada, USA, Oct. 16-18, 2023.

• 11th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2023), Athens, Greece, July 17-20, 2023.

• 14th International Conference on Ubiquitous and Future Networks (ICUFN 2023), Paris, France, July 4-7, 2023.

• 5th International Conference on Management Science and Industrial Engineering (MSIE 2023), Chiang Mai, Thailand, May 27-29, 2023.

• 2023 IEEE Wireless Communications and Networking Conference (WCNC 2023), Glasgow, Scotland, UK, March 26-29, 2023.

• 5th International Conference on Artificial Intelligence in Information and Communication (ICAIIC 2023), Bali, Indonesia Virtual Conference, February 20-23, 2023.

• The 37th International Conference on Information Networking (ICOIN 2023), Bangkok, Kingdom of Thailand, January 11-14, 2023.

• 5th International Symposium on Informatics and its Applications (ISIA'22), M'Sila, Algeria, Nov. 29-30, 2022.

• 13th International Conference on Information and Communications Technology Convergence (ICTC 2022), Jeju Island, Korea, Oct. 19-21, 2022.

• 17th International Symposium on Visual Computing (ISVC 2022), San Diego, CA, USA, Oct. 3-5, 2022.

• 13th International Conference on Ubiquitous and Future Networks (ICUFN 2022), Barcelona, Spain & Virtual Conference, July 5-8, 2022.

• 2022 IEEE Wireless Communications and Networking Conference (WCNC 2022), Austin, USA, April 10-13, 2022.

• 4th International Conference on Artificial Intelligence in Information and Communication (ICAIIC 2022), Guam, USA & Virtual Conference, February 21-24, 2022.

• The 36th International Conference on Information Networking (ICOIN 2022), Jeju Island, Korea & Virtual Conference, January 12-15, 2022.

• 9th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2021), Virtual Online, Aug. 23-26, 2021.

• 12th International Conference on Ubiquitous and Future Networks (ICUFN 2021), Jeju Island, Korea, August 17-20, 2021.

• 3rd International Conference on Artificial Intelligence in Information and Communication (ICAIIC 2021), Jeju Island, Korea, April 20-23, 2021.

• 3rd International Conference on Management Science and Industrial Engineering (MSIE 2021), Osaka, Japan, April 2-4, 2021.

• 2021 IEEE Wireless Communications and Networking Conference (WCNC 2021), Nanjing, March 29-April 1, 2021.

• 15th International Symposium on Visual Computing (ISVC 2020), San Diego, CA, USA, Oct. 5-7, 2020.

• 8th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2020), Oxford, UK, April 13-16, 2020.

• 2020 IEEE Wireless Communications and Networking Conference (WCNC 2020), Seoul, South Korea, April 6-9, 2020.

• 2nd International Conference on Management Science and Industrial Engineering (MSIE 2020), Osaka, Japan, April 7-9, 2020.

• 14th International Symposium on Visual Computing (ISVC 2019), Lake Tahoe, NV, USA, Oct. 7-9, 2019.

• 16th IEEE Asia Pacific Wireless Communications Symposium (APWCS 2019), Sigapore, Aug. 28-30, 2019.

• 11th International Conference on Ubiquitous and Future Networks (ICUFN 2019), Zagreb, Croatia, July 2-5, 2019.

• 2019 IEEE 89th Vehicular Technology Conference (VTC-Spring 2019), Kuala Lumpur, Malaysia, April 28 - May 1, 2019.

• 2019 IEEE Wireless Communications and Networking Conference (WCNC 2019), Marrakech, Morocco, April 15-18, 2019.

• 7th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2019), San Francisco East Bay, CA, USA, April 4-9, 2019.

• 10th International Conference on Information Visualization Theory and Applications (IVAPP 2019), Prague, Czech Republic, Feb. 25-27, 2019.

• 13th International Symposium on Visual Computing (ISVC 2018), Las Vegas, NV, USA, Nov. 19-21, 2018.

• 5th International Conference on Physiological Computing Systems (PhyCS 2018), Seville, Spain, Sep. 19-21, 2018.

• 6th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2018), Bamberg, Germany, March 26-29, 2018.

• 4th International Conference on Physiological Computing Systems (PhyCS 2017), Madrid, Spain, July 28-29, 2017.

• The 5th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2017), San Francisco, USA, April 6 - 8, 2017.

• 11th International Conference and Workshops on Algorithms and Computation (WALCOM 2017), Hsinchu, Taiwan, March 29-31, 2017.

• Special Session on Computational Complexity and Algorithms (SoCCA 2016), International Conference on Computational Intelligence in Information Systems (CIIS 2016), Brunei, November 18-20, 2016.

• The 5th International Conference on Connected Vehicles and Expo (ICCVE 2016), Seattle, WA, USA, Sep. 12-16, 2016.

• 13th IEEE VTS Asia Pacific Wireless Communications Symposium (IEEE VTS APWCS2016), Tokyo, Japan, August 25-26, 2016.

• 3rd International Conference on Physiological Computing Systems (PhyCS 2016), Lisbon, Portugal, July 29-31, 2016.

• 2nd International Workshop on Mobile Cloud Computing systems, Management, and Security (MCSMS-2016), in conjunction with the 7th International Conference on Ambient Systems, Networks and Technologies (ANT-2016), Madrid, Spain, May 23-26, 2016

• 2016 IEEE Wireless Communications and Networking Conference (WCNC 2016), Doha, Qatar, April 3-6, 2016.

• The 4th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2016), Oxford, UK, March 29 - April 1, 2016.

• 7th International Conference on Information Visualization Theory and Applications (IVAPP 2016), Rome, Italy, Feb. 27-29, 2016.

• 2015 IEEE Conference on Industrial Engineering and Engineering Management (IEEM 2015), Singapore, Dec. 6-9, 2015.

• The 4th International Conference on Connected Vehicles and Expo (ICCVE 2015), Shenzhen, China, Oct. 19-23, 2015.

• The 8th International Symposium on Visual Information Communication and Interaction (VINCI 2015), Tokyo, Japan, August 24-26, 2015.

• International Conference on Industrial Engineering, Management Science and Applications 2015 (ICIMSA 2015), Tokyo, Japan, May 26 - 28, 2015.

• The 3rd IEEE International Symposium on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2015), San Francisco, CA, USA, March 30 - April 3, 2015.

• 2015 IEEE Wireless Communications and Networking Conference (WCNC 2015), New Orleans, LA, USA, March 9-12, 2015.

• 2nd International Conference on Physiological Computing Systems (PhyCS 2015), Angers, France, Feb. 11-13, 2015.

• 6th International Conference on Information Visualization Theory and Applications (IVAPP 2015), Berlin, Germany, Mar. 11-14, 2015.

• 2014 International Symposium on Computers (ICS 2014), Taichung, Taiwan, Dec. 12-14, 2014.

• The 13rd IEEE International Conference on Ubiquitous in Computing and Communications (IUCC-2014), Chengdu, China, Dec. 19-21, 2014.

• The 13th International Symposium on Pervasive Systems, Algorithms, and Networks (I-SPAN 2014), Chengdu, China, Dec. 19-21, 2014.

• 2014 IEEE Conference on Industrial Engineering and Engineering Management (IEEM 2014), Selangor, Malaysia, Dec. 9-12, 2014.

• The 3rd International Conference on Connected Vehicles and Expo (ICCVE 2014), Vienna, Austria, Nov. 3-7, 2014.

• 2014 International Conference on Internet of Vehicles (IOV 2014), Beijing, China, August 27 - 28, 2014.

• The 2nd IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud 2014), Oxford, UK, August 8 - 11, 2014.

• The 7th International Symposium on Visual Information Communication and Interaction (VINCI 2014), Sydney, Australia, August 6-8, 2014.

• 2014 IEEE Wireless Communications and Networking Conference (WCNC 2014), Istanbul, Turkey, April 6-9, 2014.

• International Conference on Physiological Computing Systems (PhyCS 2014), Lisbon, Portual, Jan. 7-9, 2014.

• 5th International Conference on Information Visualization Theory and Applications (IVAPP 2014), Lisbon, Portugal, Jan. 5-8, 2014.

• 2013 IEEE Conference on Industrial Engineering and Engineering Management (IEEM 2013), Bangkok, Thailand, Dec. 10-13, 2013.

• The 2nd International Conference on Connected Vehicles and Expo (ICCVE 2013), Las Vegas, USA, Dec. 2-6, 2013.

• 25th Annual Conference of the Australian Computer-Human Interaction Special Group (OzCHI 2013), Adelaide, Australia, Nov. 25-29, 2013.

• 2013 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC 2013), San Jose, CA, USA, Sep. 15-19, 2013.

• 8th International Conference on Communications and Networking in China (ChinaCom 2013), Guilin, China, August 14-16, 2013.

• 17th International Conference on Information Visualisation (IV2013), London, UK, July 15-18, 2013.

• The 12th IEEE International Conference on Ubiquitous in Computing and Communications (IUCC-2013), Melbourne, Australia, 16-18 July, 2013.

• 2013 IEEE Wireless Communications and Networking Conference (WCNC 2013), Shanghai, China, April 7-10, 2013.

• The First IEEE International Symposium on Mobile Cloud, Computing, and Service Engineering (MobileCloud 2013), San Francisco, USA, March 26 - 28, 2013.

• The 1st International Conference on Connected Vehicles and Expo (ICCVE 2012), Beijing, China, Dec. 12-16, 2012.

• The 2012 Australian Computer-Human Interaction Conference (OzCHI 2012), Melbourne, Australia, Nov. 26-30, 2012.

• 7th International Conference on Frontier of Computer Science and Technology (FCST 2012) - Multimedia Systems and Networks Track, Suzhou, China, 21-23 November, 2012.

• 2012 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2012) -- Special Session on Ubiquitous and Collaborative Computing, Seoul, South Korea, Oct. 14-17, 2012.

• 8th International Wireless Communications and Mobile Computing Conference (IWCMC 2012) -- Multimedia over Wireless Symposium, Cyprus, August 27 - 31, 2012.

• The 2012 International Conference on Information Visualization Theory and Applications (IVAPP 2012), Rome, Italy, Feb. 24-26, 2012.

• The 2011 Australian Computer-Human Interaction Conference (OzCHI 2011), Canberra, Australia, Nov. 28-Dec. 2, 2011.

• 15th International Conference on Information Visualisation (IV11), London, UK, July 12-15, 2011.

• 7th International Wireless Communications and Mobile Computing Conference (IWCMC 2011) -- Multimedia over Wireless Symposium, Istanbul, Turkey, July 5 - 8, 2011.

• 5th International Conference on Communications and Networking in China (ChinaCom 2010) -- Frontiers on Communications and Networking Symposium, Beijing, China, Aug. 25-27, 2010.

• 3rd International Conference on Contemporary Computing (IC3) - the Algorithms track, Noida, India, Aug. 9-11, 2010.

• 14th International Conference on Information Visualisation (IV10), London, UK, July 26-29, 2010.

• 6th International Wireless Communications and Mobile Computing Conference (IWCMC 2010) -- 2nd International Workshop on Mobile P2P Networks, Caen, France, June 28 - July 2, 2010.

• 5th International Conference on Grid and Pervasive Computing (GPC 2010) -- International Workshop on Multimedia Applications for Cloud (MAC 2010), Hualien, Taiwan, May 10-14, 2010.

Committees for Short Papers or Notes:

• PacificVis 2014 - 2021 (IEEE Pacific Visualization Symposium)

Technical Committees:

• Technical Committee on Visual Analytics and Communication, IEEE Systems, Man, and Cybernetics Society, since 2015.

Program Committees for Local Conferences:

• Computer Graphics Workshop (CGW), 2011 -- now.

• Taiwan Academic Network Conference (TANET), 2009, 2011, 2012, 2017, 2018.

• Internatinonal Computer Symposium (ICS), 2018.

• National Computer Symposium (NCS), 2013, 2017, 2019, 2023.

Invited Talks and Panelists:

• 2024/05/08: Department of Industrial Management, National Pingtung University of Science and Technology, Pingtung, Taiwan.

• 2024/03/02: Department of Industrial Management, National Chin-Yi University of Science and Technology, Taichung, Taiwan.

• 2023/11/18: Panel on `高教挑戰下系所教師學術發展', Department of Industrial Engineering, National Science and Technology Council (NSTC), Hsinchu, Taiwan.

• 2023/01/07: Keynote speech, the 25rd Decision Analysis Symposium (DAS 2023), Taipei, Taiwan.

• 2022/11/23: Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, Taiwan.

• 2022/09/26: Department of Information Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan.

• 2021/12/16: Department of Industrial Management, National Taiwan University of Science and Technology, Taipei, Taiwan.

• 2020/11/03: Graduate School of Resources Management and Decision Making, National Defense University, Taipei, Taiwan.

• 2020/07/04: Tainan campus, Taiwan AI Academy, Taiwan.

• 2020/06/01: Department of Information Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan.

• 2020/05/13: Department of Economics, Shih Hsin University, Taipei, Taiwan.

• 2020/05/12: Department of Computer Science, National Taipei University of Education, Taipei, Taiwan.

• 2019/10/02: Department of Computer Science and Information Engineering, National Taiwan Normal University, Taipei, Taiwan.

• 2019/04/11: Department of Industrial Management, National Taiwan University of Science and Technology, Taipei, Taiwan.

• 2019/04/08: Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan.

• 2019/03/21: Department of Information Management, National Taichung University of Science and Technology, Taipei, Taiwan.

• 2019/03/14: Department of Information Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan.

• 2018/11/22: Institute of Manufacturing Information and Systems, National Cheng Kung University, Tainan, Taiwan.

• 2018/11/17: Panel on Smart Manufacturing, Department of Industrial Engineering, Ministry of Science and Technology, Taipei, Taiwan.

• 2018/10/30: Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, Taiwan.

• 2018/09/27: Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, Taiwan.

• 2018/05/16: Department of Computer Science, University of Taipei, Taipei, Taiwan.

• 2018/05/14: Graduate School of Resources Management and Decision Making, National Defense University, Taipei, Taiwan.

• 2018/04/23: Department of Computer Science and Information Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan.

• 2018/03/01: Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, Taiwan.

• 2018/01/03: Workshop on Thesis Writing and Ethics, College of Management, National Chiao Tung University, Hsinchu, Taiwan.

• 2016/12/14: Department of Industrial and Systems Engineering, Chung Yuan Christian University, Taoyuan, Taiwan.

• 2016/05/12: Department of Computer Science and Information Science, Aletheia University, New Taipei City, Taiwan.

• 2016/02/24: Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, Taiwan.

• 2015/10/03: Department of Industrial Engineering and Management, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan.

• 2015/09/30: Institute of Information and Decision Sciences, National Taipei University of Business, Taipei, Taiwan.

• 2015/05/06: Institute of Industrial Engineering, National Taiwan University, Taipei, Taiwan.

• 2014/12/04: Department of Information Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan.

• 2014/11/14: Graduate Institute of Logistics Management, National Dong Hwa University, Hualien, Taiwan.

• 2014/05/14: Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, Taiwan.

• 2013/10/16: Department of Computer Science, University of Taipei, Taipei, Taiwan.

• 2013/06/11: Department of Computer Science and Information Science, Aletheia University, New Taipei City, Taiwan.

• 2013/05/23: 2013 Japanese-Taiwanese Workshop on Information Visualization and Graph Drawing, National Taiwan University, Taipei, Taiwan.

• 2012/08/16: Center for Spatial Information Science, The University of Tokyo, Cashiwa Campus, Chiba, Japan.

• 2012/08/06: Koyamada Laboratory, Kyoto University, Kyoto, Japan.

• 2012/08/01: Takahashi Laboratory, The University of Tokyo, Cashiwa Campus, Chiba, Japan.

• 2011/12/14: Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, Taiwan.

• 2011/10/05: 2011 Taiwanese-Japanese Workshop on Information Visualization and Graph Drawing, Keio University, Yokohama, Japan.

• 2011/06/02: Institute of Information and Decision Sciences, National Taipei College of Business, Taipei, Taiwan.

• 2011/04/29: Department of Computer Science and Information Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan.

• 2010/05/05: Institute of Information Systems and Applications, National Tsing Hua University, Hsinchu, Taiwan.

• 2008/10/31: Department of Computer Science and Information Engineering, National Chung Cheng University, Chia-Yi, Taiwan.

• 2008/09/25: Department of Computer Science and Information Engineering, Tamkang University, New Taipei City, Taiwan.