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Gwan-Hwan Hwang(黃冠寰)
黃冠寰 (Gwan-Hwan Hwang)    教授

Recent Publication (Since 2013)

• Cryptographic Accountability for Cloud-based Service-oriented Architecture Systems. Gwan-Hwan Hwang, Yi-Ling Yuan, and Chi Wu-Lee. Submitted to journal for publication (Corresponding author: Gwan-Hwan Hwang)

• Automatic Reward System Based on Public Blockchains. Gwan-Hwan Hwang, Kun-Yih Huang, and Chung-Chia Li. The 4th IEEE Eurasia Conference on IoT, Communication and Engineering 2022 (IEEE ECIEC 2022) BEST CONFERENCE PAPER AWARD.

• A Semi-Decentralized PKI System based on Public Blockchains with Automatic Indemnification Mechanism. Gwan-Hwan Hwang, Tao-Ku Chang, and Hung-Wen Chiang. Security and Communication Networks, Volume 2021, Article ID 7400466, 15 pages https://doi.org/10.1155/2021/7400466 SCI

• Blockchain-based Automatic Indemnification Mechanism based on Proof of Violation for Cloud Storage Services. Gwan-Hwan Hwang, Pei-Chun Tien, and Yi-Hsiang Tang. Accepted for publication in The 2nd International Conference on Blockchain Technology (ICBCT 2020) , Hilo, Hawaii, USA, March 12-14, 2020. (will be published by ACM, Corresponding author: Gwan-Hwan Hwang)

• Proof of Violation for Response Time Auditing in Cloud Systems. Gwan-Hwan Hwang and Yi-Ling Yuan. The Journal of Supercomputing, January 2019, Volume 75, Issue 1, (DOI: 10.1007/s11227-015-1555-0) SCI, Ranking: 2014: 56/102 (Computer Science, Theory & Methods) 25/50 (COMPUTER SCIENCE, HARDWARE & ARCHITECTURE)
Accepted for presentation in the 2015 International Conference on Cloud Computing and Big Data (CloudCom-asia 2015), sponsored by IEEE Computer Society, Huangshan, China, June 17-19, 2015. Top-ranked accepted papers and selected to submit to a special issue of Journal of Supercomputing (Corresponding author: Gwan-Hwan Hwang)

• Instant Auditing of Runtime Environment for Computing Platforms in Cloud Systems. Gwan-Hwan Hwang, Kun-Yin Huang, Bo-Sian Liao, Yi-Ling Yuan, and Hung-Fu Chen. Journal of Information Science and Engineering, 35, 323-339 (2019), DOI: 10.6688/JISE.201903_35(2).0005 SCI (Corresponding author: Gwan-Hwan Hwang)

• InfiniteChain: A Multi-chain Architecture with Distributed Auditing of Sidechains for Public Blockchains. Gwan-Hwan Hwang, Po-Han Chen, Chun-Hao Lu, Chun Chiu, Hsuan-Cheng Lin, and An-Jie Jheng. Accepted for publication in research track of 2018 International Conference on Blockchain (ICBC 2018), June 25 - June 30, 2018, Seattle, USA. This paper received AWARDTHE BEST PAPER AWARD.
Also published in S. Chen et al. (Eds.): ICBC 2018, LNCS 10974, pp. 47, V60, 2018. (https://doi.org/10.1007/978-3-319-94478-4_4) (Corresponding author: Gwan-Hwan Hwang)

• A Fair and Nonrepudiable Online English Auction System Without a Trusted Auctioneer. Gwan-Hwan Hwang, Yi-Ling Yuan, and Tao-Ku Chang. Accepted for publication in World Congress on Internet Security (WorldCIS-2017), Technical Co-Sponsored by IEEE UK/RI Computer Chapter, December 11 - 14, 2017, Cambridge, UK. Acceptance rate: 3.7% (19/512, 512 submissions from 76 countries and only 19 papers accepted) (Corresponding author: Gwan-Hwan Hwang)

• Efficient Real-time Auditing and Proof of Violation for Cloud Storage Systems. Gwan-Hwan Hwang and Hung-Fu Chen. Accepted as a research track paper for publication in the 9th IEEE International Conference on Cloud Computing (IEEE Cloud 2016), June 27 - July 2, 2016, San Francisco, USA. Acceptance rate: 15% (This paper received the best student paper award Runner-up ) (Corresponding author: Gwan-Hwan Hwang)

• Proof of Violation for Availability in Cloud Computing. Gwan-Hwan Hwang and Shang-Yu Yeh. Accepted as a full paper for publication in the 15th IEEE/ACIS International Conference on Computer and Information Science (IEEE/ACIS ICIS 2016), June 26-29, 2016, Okayama, Japan. (Corresponding author: Gwan-Hwan Hwang)

• Proof of Violation for Trust and Accountability of Cloud Database Systems. Gwan-Hwan Hwang and Shih-Kai Fu. Accepted as a full paper for publication in the 16th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (IEEE/ACM CCGrid 2016), May 16-19, 2016 -- Cartagena, Colombia. Acceptance rate: 23% (Corresponding author: Gwan-Hwan Hwang)

• An Framework for Cryptography Based Accountability and Service Invocation Control for Service Composition in a Multicloud Architecture. Gwan-Hwan Hwang, Kun-Yih Huang and Yu-Cheng Hsiao. The 5th IEEE International Symposium on Trust and Security in Cloud Computing (IEEE TSCloud 2015),held in conjunction with IEEE TrustCom-15, August 20-22, 2015, Helsinki, Finland (Corresponding author: Gwan-Hwan Hwang)

• Fulfilling Mutual Nonrepudiation for Cloud Storage. Gwan-Hwan Hwang, Wei-Sian Huang, Jenn-Zjone Peng, and Yu-Wei Lin . Concurrency and Computation: Practice and Experience, DOI: 10.1002/cpe.3315, Volume 28, Issue 3, 10 March 2016 , Pages 583-599. SCI, Ranking: 2012: 42/100 (Computer Science, Theory & Methods) (Corresponding author: Gwan-Hwan Hwang)

• Real-time Proof of Violation for Cloud Storage. Gwan-Hwan Hwang, Wei-Sian Huang, and Jenn-Zjone Peng. Accepted for publication in 2014 6th IEEE International Conference on Cloud Computing Technology and Science (IEEE CloudCom 2014), December 27-29, 2014, Singapore. Acceptance rate: 28.2% (85/301) (Corresponding author: Gwan-Hwan Hwang)

• Implementing TaaS-based Stress Testing by MapReduce Computing Model. Gwan-Hwan Hwang, Chi Wu-Lee, Yuan-Hsin Tung, Chih-Ju Chuang, and Syz-Feng Wu. Accepted as a full paper in 2014 5th IEEE International Conference on Software Engineering and Service Science (IEEE ICSESS 2014), June 27-29,2014, Beijing, China. (Corresponding author: Gwan-Hwan Hwang)

• A Model-free and State-cover Testing Scheme for Semaphore-based and Shared-Memory Concurrent Programs. Gwan-Hwan Hwang, Che-Sheng Lin, Teng-Shuo Lee, and Chi Wu-Lee. Software Testing, Verification and Reliability, Volume 24, Issue 8, pages 706-737, December 2014. SCI, Ranking: 2013: 37/105 (Computer Science, Software Engineering) (Corresponding author: Gwan-Hwan Hwang)

• A Framework and Language Support for Quality of Service in Service-Oriented Architecture. Chi Wu-Lee and Gwan-Hwan Hwang. Journal of Information Science and Engineering, 30(6): 1887-1903 (2014). SCI (Corresponding author: Gwan-Hwan Hwang)

• Statement-Coverage Testing for Concurrent Programs in Reachability Testing. Gwan-Hwan Hwang, Heng-Yi Lin, Shao-Yan Lin, and Che-Sheng Lin. Journal of Information Science and Engineering, 30(4): 1095-1113 (2014). SCI (Corresponding author: Gwan-Hwan Hwang)

• State-cover Testing for Nondeterministic Concurrent Programs with an Infinite number of Synchronization Sequences. Che-Sheng Lin and Gwan-Hwan Hwang. SCIENCE OF COMPUTER PROGRAMMING, Volume 78, Issue 9, 1 September 2013, Pages 1294-1323. Postscript File SCI, 2012: 5-year Impact Factor 0.982 (Corresponding author: Gwan-Hwan Hwang)

• Chinese Wall Security Model in Workflow Management Systems with Dynamic Security Policy. Yu-Cheng Hsiao and Gwan-Hwan Hwang. Journal of Information Science and Engineering, 29(3): 417-440 (2013). SCI (Corresponding author: Gwan-Hwan Hwang)

• Workflow Definition by Cloud Collaboration. Chi Wu-Lee and Gwan-Hwan Hwang. Accepted as a full paper in The IEEE 9th International Conference on Collaborative Computing: Networking, Applications and Worksharing (IEEE CollaborateCom 2013), October 20-23, 2013 Austin, Texas, United States. Acceptance rate: 26.7% (20/75) (Corresponding author: Gwan-Hwan Hwang)

• Scalable and Trustworthy Cross-Enterprise WfMSs by Cloud Collaboration. Gwan-Hwan Hwang, Yi-Chan Kao, and Yu-Cheng Hsiao. IEEE 2nd International Congress on Big Data (IEEE BigData 2013), June 27-July 2, 2013, Santa Clara Marriott, CA, USA. Acceptance rate: 27.7% (20/72) (Corresponding author: Gwan-Hwan Hwang)

• A Mutual Nonrepudiation Protocol for Cloud Storage with Interchangeable Accesses of a Single Account from Multiple Devices. Gwan-Hwan Hwang, Jenn-Zjone Peng, and Wei-Sian Huang. The 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom-2013), Melbourne, Australia, 16-18 July, 2013. Acceptance rate: 27.7% (106/382) This paper received AWARDTHE BEST PAPER AWARD of the IEEE TrustCom 2013 (One out of 382 papers). (Corresponding author: Gwan-Hwan Hwang)

• A New Concurrency Control Language for Transactional Process in Service-Oriented Architecture. Gwan-Hwan Hwang, Chi Wu-Lee, and Han-Meng Chiang. The 27th IEEE International Conference on Advanced Information Networking and Applications (IEEE AINA-2013), Barcelona, Spain, March 25 - 28, 2013. Acceptance rate: 26.9% (153/567) (Corresponding author: Gwan-Hwan Hwang)

Journals & Book Chapters

• Proof of Violation for Response Time Auditing in Cloud Systems. Gwan-Hwan Hwang and Yi-Ling Yuan Accepted for publication in Journal of Supercomputing SCI, Ranking: 2014: 56/102 (Computer Science, Theory & Methods)?B25/50 (COMPUTER SCIENCE, HARDWARE & ARCHITECTURE) (Corresponding author: Gwan-Hwan Hwang)

• Fulfilling Mutual Nonrepudiation for Cloud Storage. Gwan-Hwan Hwang, Wei-Sian Huang, Jenn-Zjone Peng, and Yu-Wei Lin . Concurrency and Computation: Practice and Experience, DOI: 10.1002/cpe.3315, Volume 28, Issue 3, 10 March 2016 , Pages 583-599. SCI, Ranking: 2012: 42/100 (Computer Science, Theory & Methods) (Corresponding author: Gwan-Hwan Hwang)

• A Model-free and State-cover Testing Scheme for Semaphore-based and Shared-Memory Concurrent Programs. Gwan-Hwan Hwang, Che-Sheng Lin, Teng-Shuo Lee, and Chi Wu-Lee. Software Testing, Verification and Reliability, Volume 24, Issue 8, pages 706-737, December 2014. SCI, Ranking: 2013: 37/105 (Computer Science, Software Engineering) (Corresponding author: Gwan-Hwan Hwang)

• A Framework and Language Support for Quality of Service in Service-Oriented Architecture. Chi Wu-Lee and Gwan-Hwan Hwang. Journal of Information Science and Engineering, 30(6): 1887-1903 (2014). SCI (Corresponding author: Gwan-Hwan Hwang)

• Statement-Coverage Testing for Concurrent Programs in Reachability Testing. Gwan-Hwan Hwang, Heng-Yi Lin, Shao-Yan Lin, and Che-Sheng Lin. Journal of Information Science and Engineering, 30(4): 1095-1113 (2014). SCI (Corresponding author: Gwan-Hwan Hwang)

• State-cover Testing for Nondeterministic Concurrent Programs with an Infinite number of Synchronization Sequences. Che-Sheng Lin and Gwan-Hwan Hwang. SCIENCE OF COMPUTER PROGRAMMING, Volume 78, Issue 9, 1 September 2013, Pages 1294?V1323. Postscript File SCI, 2012: 5-year Impact Factor 0.982 (Corresponding author: Gwan-Hwan Hwang)

• Chinese Wall Security Model in Workflow Management Systems with Dynamic Security Policy. Yu-Cheng Hsiao and Gwan-Hwan Hwang. Journal of Information Science and Engineering, 29(3): 417-440 (2013). SCI (Corresponding author: Gwan-Hwan Hwang)

• Developing an efficient query system for encrypted XML documents. Tao-Ku Chang and Gwan-Hwan Hwang. Journal of Systems and Software 84(8): 1292-1305 (2011). SCI, Ranking: 2012: 30/100 (Computer Science, Theory & Methods)

• The Design and Implementation of Appointed File Prefetching for Distributed File Systems. Gwan-Hwan Hwang, Hsin-Fu Lu, Chun-Chin Sy, and Chiu-Yang Chang. To appear in Journal of Research and Practice in Information Technology, Vol. 40, No. 2, May 2008. SCI (Corresponding author: Gwan-Hwan Hwang)

• A Secure Query Language for XML Documents. Tao-Ku Chang and Gwan-Hwan Hwang. Accepted for publication in the Journal of Information Science and Engineering. Vol.24 No. 6 (November 2008) SCI (Corresponding author: Gwan-Hwan Hwang)

• WSNFS: A Web-Services-Based Network File System. Gwan-Hwan Hwang, Chih-Hao Yu, Chun-Chin Sy, and Chiu-Yang Chang. Journal of Information Science and Engineering.Vol.24 No. 3 (May 2008) SCI (Corresponding author: Gwan-Hwan Hwang)

• The Design and Implementation of an Application Program Interface for Securing XML Documents. Tao-Ku Chang and Gwan-Hwan Hwang. Journal of Systems and Software, Volume 80, Issue 8, Pages 1362-1374, August 2007. (DOI information: 10.1016/j.jss.2006.10.051) SCI, Ranking: 2012: 30/100 (Computer Science, Theory & Methods) [google scholar citations: 11] (Corresponding author: Gwan-Hwan Hwang)

•  To Secure XML Documents with the Extension Function of XSLT, by Tao-Ku Chang and Gwan-Hwan Hwang. Software - Practice and Experience, Volume 36, Issue 5, Pages 539-555,April 2006. SCI, Ranking: 2012: 51/105 (Computer Science, Software Engineering) [google scholar citations: 4] SCI (Corresponding author: Gwan-Hwan Hwang)

• Design of an Object-Oriented Workflow Management System with Reusable and Fine-Grained Components, by Gwan-Hwan Hwang, Yung-Chuan Lee, and Sheng-He Chang. H. Fuks, S. Lukosch, and A.C. Salgado (Eds.): CRIWG 2005, Lecture Notes in Computer Science, Vol. 3706, ISBN:3-540-29110-5, pp. 192 ?V 207, 2005. SCI (Corresponding author: Gwan-Hwan Hwang)

• Towards the Security of XML Documents, by Gwan-Hwan Hwang and Tao-Ku Chang. Data Management, Storage & Security Review 2005. ISBN: 1-905052-26-X, Touch Briefings, 2005. Postscript File (Corresponding author: Gwan-Hwan Hwang)

•  A Flexible Failure-recovery Model for Workflow Management Systems, by Gwan-Hwan Hwang, Yung-Chuan Lee, and Bor-Yih Wu. International Journal of Cooperative Information Systems, Vol. 14, No. 1 (2005) 1-24. SCI [google scholar citations: 8] Postscript File (Corresponding author: Gwan-Hwan Hwang)

•  An Operational Model and Language Support for Securing XML Documents, by Gwan-Hwan Hwang and Tao-Ku Chang. Computers & Security,Volume 23, Issue 6, pp. 498-529, 2004. SCI, Ranking: 2012: 53/132 (Computer Science, Information Systems) [google scholar citations: 27] Postscript File (Corresponding author: Gwan-Hwan Hwang)

•  An Efficient Algorithm for Communication Set Generation of Data Parallel Programs with Block-Cyclic Distribution, by Gwan-Hwan Hwang. Parallel Computing, Volume 30, Issue 4, 2004, pp. 473-501. SCI, Ranking: 2012: 29/100 (Computer Science, Theory & Methods) [google scholar citations: 6] Postscript File (Corresponding author: Gwan-Hwan Hwang)

•  Technology for Testing Nondeterministic Client/Server Database Applications, by Gwan-Hwan Hwang , Sheng-Jen Chang, and Huey-Der Chu. IEEE Transaction on Software Engineering, Volume 30, Number 1, pp. 59-77, January 2004. SCI, Ranking: 2012: 3/105 (Computer Science, Software Engineering) [google scholar citations: 13] Postscript File (Corresponding author: Gwan-Hwan Hwang)

•  A New Language to Support Flexible Failure Recovery for Workflow Management Systems, by Gwan-Hwan Hwang, Yung-Chuan Lee, and Bor-Yih Wu. Jesus Favela and Dominique Decouchant (Eds.): Groupware: Design, Implementation and Use, Lecture Notes in Computer Science 2806, ISBN 3-540-20117-3, 2003, pp. 135-150. (Corresponding author: Gwan-Hwan Hwang) SCI

•  Segmented Alignment: A New Automatic Data Alignment Model for Data Parallel Programs, by Gwan-Hwan Hwang, Chen-Wei Cheng, Jenq Kuen Lee, and Dz-Ching Ju. Journal of Supercomputing, 25 (1): 17-41, May 2003. SCI Postscript File

•  Array Operation Synthesis to Optimize HPF programs on distributed memory machines, by Gwan-Hwan Hwang,Jenq Kuen Lee, and Dz-Ching Ju. Journal of Parallel and Distributed Computing 61, pp. 467-500, 2001. SCI [google scholar citations: 7] Postscript File

•  Communication Set Generations with CSD Calculus and Expression Re-writing Framework, by Gwan-Hwan Hwang, and Jenq Kuen Lee. Parallel Computing, 25 (1999), 1105-1139. SCI Postscript File

•  A Function-Composition Approach to Synthesize Fortran 90 Array Operations, by Gwan-Hwan Hwang, Jenq Kuen Lee, and Dz-Ching Ju, Journal of Parallel and Distributed Computing 54, pp. 1-47, 1998. SCI [google scholar citations: 14] Postscript File

•  Integrating Automatic Data Alignment and Array Operation Synthesis to Optimize Data Parallel Programs, by Gwan-Hwan Hwang, Jenq Kuen Lee, and Dz-Ching Ju. In Zhiyuan Li, Pen-Chung Yew, Siddhartha Chatterjee, Chua-Huang Huang, P. Sadayappan, David C. Sehr (Eds.): Languages and Compilers for Parallel Computing, Lecture Notes in Computer Science 1366, ISBN 3-540-64472-5, 1997. SCI [google scholar citations: 5]

•  An Array Operation Synthesis Scheme to Optimize Fortran 90 Programs, by Gwan-Hwan Hwang, Jenq Kuen Lee, and Dz-Ching Ju. ACM SIGPLAN NOTICES, Volume 30, Number 8, August 1995. (ACM PPoPP Issue). SCI [google scholar citations: 29] Postscript File

•  Reachability Testing : An Approach to Testing Concurrent Software, by Gwan-Hwan Hwang, Kuo-Chung Tai, and Ting-Lu Huang. International Journal of Software Engineering and Knowledge Engineering, Vol. 5 No.4 December 1995. (The chapter 33.3.4 of Parallel and Distributed Computing Handbook, ISBN:0070730202, McGRAW-HILL, 1996, discusses the Reachability Testing.) SCI [google scholar citations: 76] Postscript File

Conferences & Workshops

• InfiniteChain: A Multi-chain Architecture with Distributed Auditing of Sidechains for Public Blockchains. Gwan-Hwan Hwang, Po-Han Chen, Chun-Hao Lu, Chun Chiu, Hsuan-Cheng Lin, and An-Jie Jheng. Accepted for publication in research track of 2018 International Conference on Blockchain (ICBC 2018), June 25 - June 30, 2018, Seattle, USA. This paper received AWARDTHE BEST PAPER AWARD.
Also published in S. Chen et al. (Eds.): ICBC 2018, LNCS 10974, pp. 47, V60, 2018. (https://doi.org/10.1007/978-3-319-94478-4_4) (Corresponding author: Gwan-Hwan Hwang)

• A Fair and Nonrepudiable Online English Auction System Without a Trusted Auctioneer. Gwan-Hwan Hwang, Yi-Ling Yuan, and Tao-Ku Chang. ?@Accepted for publication in World Congress on Internet Security (WorldCIS-2017), Technical Co-Sponsored by IEEE UK/RI Computer Chapter, December 11 - 14, 2017, Cambridge, UK. Acceptance rate: 3.7% (19/512, 512 submissions from 76 countries and only 19 papers accepted) (Corresponding author: Gwan-Hwan Hwang)

• Efficient Real-time Auditing and Proof of Violation for Cloud Storage Systems. Gwan-Hwan Hwang and Hung-Fu Chen. ?@Accepted as a research track paper for publication in the 9th IEEE International Conference on Cloud Computing (IEEE Cloud 2016), June 27 - July 2, 2016, San Francisco, USA Acceptance rate: 15% (Corresponding author: Gwan-Hwan Hwang)

• Proof of Violation for Availability in Cloud Computing. Gwan-Hwan Hwang and Shang-Yu Yeh. Accepted as a full paper for publication in the 15th IEEE/ACIS International Conference on Computer and Information Science (IEEE/ACIS ICIS 2016), June 26-29, 2016, Okayama, Japan. (Corresponding author: Gwan-Hwan Hwang)

• Proof of Violation for Trust and Accountability of Cloud Database Systems. Gwan-Hwan Hwang and Shih-Kai Fu. Accepted as a full paper for publication in the 16th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (IEEE/ACM CCGrid 2016), May 16-19, 2016 -- Cartagena, Colombia. (Corresponding author: Gwan-Hwan Hwang)

• Proof of Violation for Response Time Auditing in Cloud Systems. Gwan-Hwan Hwang and Yi-Ling Yuan Accepted for presentation in the 2015 International Conference on Cloud Computing and Big Data (CloudCom-asia 2015), sponsored by IEEE Computer Society, Huangshan, China, June 17-19, 2015. Top-ranked accepted papers and selected to be published in a special issue of Journal of Supercomputing (Accepted) (Corresponding author: Gwan-Hwan Hwang)

• An Framework for Cryptography Based Accountability and Service Invocation Control for Service Composition in a Multicloud Architecture. Gwan-Hwan Hwang, Kun-Yih Huang and Yu-Cheng Hsiao Accepted for presentation in the 5th IEEE International Symposium on Trust and Security in Cloud Computing (IEEE TSCloud 2015),held in conjunction with IEEE TrustCom-15, August 20-22, 2015, Helsinki, Finland (Corresponding author: Gwan-Hwan Hwang)

• Proof of Violation for Response Time Auditing in Cloud Systems. Gwan-Hwan Hwang and Yi-Ling Yuan Accepted for presentation in the 2015 International Conference on Cloud Computing and Big Data (CloudCom-asia 2015), sponsored by IEEE Computer Society, Huangshan, China, June 17-19, 2015. Top-ranked accepted papers and selected to a special issue of Journal of Supercomputing for publication (in minor revision) (Corresponding author: Gwan-Hwan Hwang)

• Real-time Proof of Violation for Cloud Storage. Gwan-Hwan Hwang, Wei-Sian Huang, and Jenn-Zjone Peng. Accepted for publication in 2014 6th IEEE International Conference on Cloud Computing Technology and Science (IEEE CloudCom 2014), December 27-29, 2014, Singapore. Acceptance rate: 28.2% (85/301)

• Implementing TaaS-based Stress Testing by MapReduce Computing Model. Gwan-Hwan Hwang, Chi Wu-Lee, Yuan-Hsin Tung, Chih-Ju Chuang, and Syz-Feng Wu. Accepted as a full paper in 2014 5th IEEE International Conference on Software Engineering and Service Science (IEEE ICSESS 2014), June 27-29,2014, Beijing, China.

• Workflow Definition by Cloud Collaboration. Chi Wu-Lee and Gwan-Hwan Hwang. Accepted as a full paper in The IEEE 9th International Conference on Collaborative Computing: Networking, Applications and Worksharing (IEEE CollaborateCom 2013), October 20-23 2013 Austin, Texas, United States. Acceptance rate: 26.7% (20/75)

• Scalable and Trustworthy Cross-Enterprise WfMSs by Cloud Collaboration. Gwan-Hwan Hwang, Yi-Chan Kao, and Yu-Cheng Hsiao. IEEE 2nd International Congress on Big Data (IEEE BigData 2013), June 27-July 2, 2013, Santa Clara Marriott, CA, USA. Acceptance rate: 27.7% (20/72)

• A Mutual Nonrepudiation Protocol for Cloud Storage with Interchangeable Accesses of a Single Account from Multiple Devices. Gwan-Hwan Hwang, Jenn-Zjone Peng, and Wei-Sian Huang. The 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom-2013), Melbourne, Australia, 16-18 July, 2013. Acceptance rate: 27.7% (106/382) This paper received AWARDTHE BEST PAPER AWARD of the IEEE TrustCom 2013 (One out of 382 papers).

• A New Concurrency Control Language for Transactional Process in Service-Oriented Architecture. Gwan-Hwan Hwang, Chi Wu-Lee, and Han-Meng Chiang. The 27th IEEE International Conference on Advanced Information Networking and Applications (IEEE AINA-2013), Barcelona, Spain, March 25 - 28, 2013. Acceptance rate: 26.9% (153/567)

• Statement-coverage Testing for Non-deterministic Concurrent Software. Gwan-Hwan Hwang, Heng-Yi Lin, Shao-Yan Lin, and Che-Sheng Lin. Accepted for presentation in The Sixth IEEE International Symposium on Theoretical Aspects of Software Engineering (IEEE TASE 2012), 4-6 July 2012, Beijing, China . Acceptance rate: 22.7% (25/110)

• A Framework for Nonrepudiatable and Scalable Cross-Enterprise Workflow Management Systems in the Cloud. Gwan-Hwan Hwang, Yu-CHheng Hsiao, Yi-Chan Kao, and Heng-Yi Lin. Accepted for presentation in First International Workshop on Workflow Models, Systems, Services and Applications in the Cloud (CloudFlow 2012), to be held in conjunction with the 26th IEEE International Parallel & Distributed Processing Symposium (IEEE IPDPS 2012), Shanghai, China, May 21-25, 2012.

• Workflow-based Dynamic Access Control in Service-Oriented Architecture. Gwan-Hwan Hwang, Chi Wu-Lee, and Zhong-Xiang Jiang. The Eighth International Symposium on Frontiers of Information Systems and Network Applications (FINA-2012), to be held in conjunction with (IEEE AINA 2012) conference.

• The Design and Implemenation of A Secured Workflow Management System for Cloud Environment. Gwan-Hwan Hwang, Yu-CHheng Hsiao, Yi-Chan Kao, and Heng-Yi Lin. The Third Asia-Pacific Symposium on Internetware (Internetware 2011). (The Internetware 2011 papers will be published in ACM digital library. )

• Supporting Cloud Computing in Thin-client/server Computing model,Gwan-Hwan Hwang. Accepted for Publication in International Workshop on Cloud Computing, Applications and Technologies. (CloudCAT 2010), Taipe, Taiwan, September 6-9, 2010.(in conjunction with the 2010 IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA 2010), EI indexed.

• Implementing the Chinese Wall Security Model in Workflow Management Systems, by Yu-Cheng Hsiao and Gwan-Hwan Hwang. Accepted for Publication in The 2010 IEEE International Symposium on Parallel and Distributed Processing with Applications (IEEE ISPA 2010), Taipe, Taiwan, September 6-9, 2010. [google scholar citations: 4]

• Dynamic Policies for Supporting Quality of Service in Service-Oriented Architecture, by Chi Wu-Lee and Gwan-Hwan Hwang. Accepted for Publication in The 2010 International Conference on Electronics and Information Engineering (ICEIE 2010), Kyoto, Japan, August 1-3, 2010. (The ICEIE 2010 papers will be published by IEEE, which will be included in the IEEE Xplore, and indexed by EI Compendex and Thomson ISI.)

• A Framework and Language Support for Automatic Dynamic Testing of Workflow Management Systems, by Gwan-Hwan Hwang, Che-Sheng Lin , Li-Te Tsao, Kuei-Huan Chen, and Yan-You Li. Accepted as a regular research paper in IEEE 2009 International Symposium on Theoretical Aspects of Software Engineering (IEEE TASE'09) , July 29 - 31, 2009, Tianjin, China. (The overal paper acceptance rate for regular papers was 27%)

• Spontaneous Detection of Infinite Loops and Livelocks in Dynamic Testing of Concurrent Programs, by Che-Sheng Lin and Gwan-Hwan Hwang. To appear in IEEE 2009 International Symposium on Theoretical Aspects of Software Engineering (IEEE TASE'09) , July 29 - 31, 2009, Tianjin, China.

• An Operational Model and Language Support for Securing Web Services, by Gwan-Hwan Hwang, Yu-Hsuan Chang, and Tao-Ku Chang. Accepted for presentation and publication in IEEE 2007 International Conference on Web Services (IEEE ICWS'07) , July 9-13, 2007, Salt Lake City, Utah, USA. [google scholar citations: 4]

• XDWfMS: An XML-Based Distributed Workflow Management System, by Gwan-Hwan Hwang, Yu-Cheng Hsiao, and Sheng-Ho Chang. Accepted as a regular research paper in The Fifth International Workshop on XML Technology and Applications (XMLTech'07) , June 25-28, 2007, Las Vegas, Nevada, USA. (The overal paper acceptance rate for regular papers was 27%)

• A Processing Model for the Optimal Querying of Encrypted XML Documents in XQuery, by Tao-Ku Chang and Gwan-Hwan Hwang. The 18th Australasian Database Conference (ADC 2007) , Ballarat, Australia, January 29th - 2nd February 20. (ADC was ranked 48 out of 328 considered conferences in the Computer Science Conference Ranking, http://www.cs-conference-ranking.org/. EIC=0.75)

• Appointed File Prefetching for Distributed File Systems, by Gwan-Hwan Hwang, Hsin-Fu Lin, Chun-Chin Sy, and Chiu-Yang Chang. The 2006 International Conference on Internet Computing (ICOMP 2006) , June 26-29, 2006, Monte Carlo Resort, Las Vegas, Nevada, USA. (ICOMP was ranked 43 out of 328 considered conferences in the Computer Science Conference Ranking, http://www.cs-conference-ranking.org/. EIC=0.76)

• Design and Implementation of a Web-Services-Based Network File System, by Gwan-Hwan Hwang and Chih-Hao Yu. International Conference on Internet and Web Applications and Services (ICIW 2006) , February 23-25, 2006, Guadeloupe, French Caribbean. Published by IEEE Computer Society.

• Design of an Object-Oriented Workflow Management System with Reusable and Fine-Grained Components, by Gwan-Hwan Hwang, Yung-Chuan Lee, and Sheng-He Chang. The 11th International Workshop Groupware (CRIWG 2005), September 25-29, 2005, Porto de Galinhas, Pernambuco, Brasil.

• An Application Program Interface for Securing XML Documents, by Tao-Ku Chang and Gwan-Hwan Hwang. The 2005 International Conference on Internet Computing (ICOMP'05), June 27-30, 2005, Las Vegas, USA.

• Using the Extension Function of XSLT and DSL to Secure XML Documents, by Tao-Ku Chang and Gwan-Hwan Hwang. The 18th IEEE International Conference on Advanced Information Networking and Applications (AINA 2004), March 29 - March 31, 2004, Fukuoka, Japan. (a 26% acceptance rate). This paper received AWARDTHE HIGHLY COMMENDED PAPER AWARD of the IEEE AINA 2004. (DOI information: 10.1016/j.parco.2004.02.001) [google scholar citations: 6]

• A New Language to Support Flexible Failure Recovery for Workflow Management Systems, by Gwan-Hwan Hwang, Yung-Chuan Lee,and Bor-Yih Wu. The 19th International Workshop on Groupware (CRIWG 2003), Grenoble(Autrans), France. (a 35% acceptance rate). [google scholar citations: 6]

• Towards Attribute Encryption and a Generalized Encryption Model for XML, by Gwan-Hwan Hwang and Tao-Ku Chang. The 4th International Conference on Internet Computing 2003 (IC'03), Las Vegas, Nevada, USA. [google scholar citations: 9]

• An Efficient Algorithm for Computing Communication Sets for Data Parallel Programs with Block-Cyclic Distribution, by Gwan-Hwan Hwang. IEEE Computer Society Press in the proceedings of the 2002 International Conference on Parallel Processing Workshops (ICPP 2002 Workshops), Vancouver, B.C., Canada. ISBN 0-7695-1680-7. (DOI information: 10.1016/j.parco.2004.02.001)

• sXQuery: A Secure XML Query Language for XML Documents, by Gwan-Hwan Hwang and Tao-Ku Chang. The 3rd International Conference on Internet Computing 2002 (IC'02), Las Vegas, Nevada, USA. CSREA Press, ISBN 1-892512-38-6.

• Document Security Language (DSL) and an Efficient Automatic Securing Tool for XML Documents, by Gwan-Hwan Hwang, and Tao-Ku Chang. The 2nd International Conference on Internet Computing 2001 (IC'01), Las Vegas, Nevada, USA.CSREA Press, ISBN 1-892512-8-X. [google scholar citations: 11]

• Testing of Non-Deterministic Client-Server Database Applications, by Gwan-Hwan Hwang, Juey-Der Chu, and K. C. Tai. Regular Research Paper in the 2001 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA 2001: June 25-28, 2001, Monte Carlo Resort, Las Vegas, Nevada, USA). Micorsoft WORD File [google scholar citations: 11]

• An Expression-Rewriting Framework to Generate Communication Sets for HPF Programs with Block-Cyclic Distribution, by Gwan-Hwan Hwang, and Jenq Kuen Lee. Proceeding of the 12th International Parallel Processing Symposium (IPPS'98), Orlando, USA. Postscript File Full Version: Postscript File ; Slice: Microsoft POWERPOINT File [google scholar citations: 8]

• Integrating Automatic Data Alignment and Array Operation Synthesis to Optimize Data Parallel Programs, by Gwan-Hwan Hwang, Jenq Kuen Lee, and Dz-Ching J. The 10th International Workshop on Languages and Compilers for Parallel Computing (LCPC'97), Minneapolis, USA, August 7-9, 1997. Postscript File [google scholar citations: 8]

• Array Operation Synthesis to Optimize HPF programs, by Gwan-Hwan Hwang, Jenq Kuen Lee, and Dz-Ching Ju. Proceedings of International Conference on Parallel Processing (ICPP'96), Chicago, USA, August 1996. Postscript File [google scholar citations: 17]

• An Array Operation Synthesis Scheme to Optimize Fortran 90 Programs, by Gwan-Hwan Hwang, Jenq Kuen Lee, and Dz-Ching Ju. Proceedings of the 5th ACM SIGPLAN Symposium on Principles Practice of Parallel Programming (ACM PPoPP'95), Santa Barbara, CA, USA, July 19-21, 1995. Postscript File [google scholar citations: 41]

• Reachability Testing : An Approach to Testing Concurrent Software, by Gwan-Hwan Hwang, Kuo-Chung Tai, and Ting-Lu Hunag. Proc. First Asia-Pacific Software Engineering Conference (APSEC'94), Tokyo, Japan, 1994, IEEE Computer Press, 246-255. (DOI information: 10.1109/APSEC.1994.465255) [google scholar citations: 102]

Awards

• Using the Extension Function of XSLT and DSL to Secure XML Documents, by Tao-Ku Chang and Gwan-Hwan Hwang. The 18th IEEE International Conference on Advanced Information Networking and Applications (AINA 2004), Fukuoka, Japan. (a 26% acceptance rate). This paper received AWARDTHE HIGHLY COMMENDED PAPER AWARD of the IEEE AINA 2004.

• Array Operation Synthesis to Optimize Data Parallel Programs, by Gwan-Hwan Hwang. Phd. Thesis, Department of Computer Science, National Tsing-Hua University, Taiwan, 1998. My Ph.D. dissertation received a distinguished dissertation award (as honorable mention) from Taiwan Computer Science Society (IICM), 1999.

Software & System Implementation

• MAS TC/S: Roaming Thin Clients in a Wide Area Network with Transparent Working Environments.

• DSL Securing Tool: An implementation of an operational model for XML document security. http://www.xml-dsl.com/ New!

• A Race Variant Generator for Reachability Testing. ZIP File New!

• CSD Calculus: An Expression-Rewriting Framework to Generate Communication Sets for HPF Programs with Block-Cyclic Distribution by Gwan-Hwan Hwang. Compressed File

• SYNTOOL: An implementation of the Array Operation Synthesis compiler optimization scheme.

• Electronic Documents Management System: Implemented in Lotus Notes R5. A groupware solution for document management system with flow control and dynamic form functions. Used in National Defense Management College. (For compulsory military service.)

• Course Scheduling System: Implemented in Power Builder 6.0 which was installed and used in 21 departments of Naval Technical School, Taiwan.

Others

• Array Operation Synthesis to Optimize Data Parallel Programs, by Gwan-Hwan Hwang. Phd. Thesis, Department of Computer Science, National Tsing-Hua University, Taiwan, 1998. Postscript File ; Slice ??: Microsoft POWERPOINT File , Slice ??: Microsoft POWERPOINT File , Slice ??: Microsoft POWERPOINT File

• A WWW-based Syntool to Optimize HPF Programs, by Cheng-Wei Chen, Gwan-Hwan Hwang, and Jenq Kuen Lee, Technical report, National Tsing-Hua University, Taiwan, 1996.

• A Systematic Parallel Testing Method for Concurrent Programs, by Gwan-Hwan Hwang. Master Thesis, Institute of Computer Science and Information Engineer, National Chiao-Tung University, Taiwan, 1993. Postscript File [google scholar citations: 6]



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