Working Experience


2004 - present
Professor, National Sun Yat-Sen University
1995 - 2003
Associate Professor, National Sun Yat-Sen University
1994/4 - 1995/7
Engineer, CCL/ITRI, Hsin-Chu
1988/8 - 1989/8
Engineer, Destiny Co., Taipei
1988/6 - 1988/7
Assistant Researcher, IIS/Academia Sinica

Research Interests


  • Database Systems
  • Workflow Management
  • Mobile Computing
  • Data Mining

Education


1994/3
Ph.D. in Computer Science, University of Minnesota
1988/6
M.S. in Computer Science, National Taiwan U.
1984/6
B.S. in Computer Science, National Taiwan U.

Journal Publications

1 B.-Y. Chen, S.-Y. Hwang, 2015, "Senkaku/Diaoyu Islands Dispute and Taiwan’s Netizens’ Sentiments Toward Japan and China," East Asia, Springer, December, 2015.
2 S.-Y. Hwang, C.-C. Hsu, C.-H. Lee, 2015, “Service Selection for Web Services with Probabilistic QoS,” IEEE Transactions on Services Computing, SCI Expanded, 8(3): 467-480 (2015), MOST 103-2410-H-110 -020.
3 C.-H. Lee, S.-Y. Hwang, I.-L. Yen, T.-K. Yu, 2015, “A Service Pattern Model for Service Composition with Flexible Functionality,” Information Systems and e-Business Management, 13(2), 235-265, SSCI, NSC-101-2410-H-110 -015 -MY2.
4 S.-Y. Hwang, C.-Y. Lai, S. Chang, J.-J. Chang, 2014, “The Identification of Noteworthy Hotel Reviews for Hotel Management,” Pacific Asia Journal of Association of Information Systems (PAJAIS), 6(4).
5 C.-H. Lee, S.-Y. Hwang, 2014, “WS-Data Model: A Data Model for Web Services Composition and Optimization,“ 6(2), Pacific Asia Journal of Association of Information Systems (PAJAIS), NSC-101-2410-H-110 -015 -MY2.
6 S.-Y. Hwang, C.-H. Lee, 2013, “Reliable Web Service Selection in Choreographed Environments,” Decision Support Systems (DSS), 54(3), pp. 1463-1476, SCI Expanded, NSC-99-2410-H-110-033-MY2.
7 W.-S. Yang, S.-Y. Hwang, 2013, “iTravel: A Recommender System in Mobile Peer-to-Peer Environment,” Journal of Systems and Software (JSS), 86(1), pp. 12-20, SCI Expanded.
8 S.-Y. Hwang, C.-P. Wei, L.-S. Chen, 2010, “Coauthorship Networks and Academic Literature Recommendations,” Electronic Commerce Research and Applications (ECRA), 9, pp. 323-334 NSC 97-2752-H-110-005, SSCI.
9 S.-Y. Hwang, W.-S. Yang, K.-D. Ting, 2010, “Automatic Index Construction for Multimedia Digital Libraries,” Information Processing and Management (IPM), 46, pp. 295–307, SSCI.
10 S.-Y. Hwang, E.-P. Lim, C.H. Lee, C. H. Chen, 2008, “Dynamic Web Service Selection for Reliable Web Service Composition,” IEEE Transactions on Services Computing, 1(2), pp. 104-116, NSC 96-2752-H-110-005, SCI Expanded.
11 S.-Y. Hwang, W.-S. Yang, 2008, “Discovering GP-association Rules for the Targeted Advertising of New Products,” INFORMS Journal on Computing (INFORMS JOC), 20(1), pp. 34-45, NSC-95-2752-H-110-005, SCI Expanded.
12 Y. Wang, E.-P. Lim, S.-Y. Hwang, 2008, “Efficient Algorithms for Mining Maximal Valid Groups,” VLDB Journal, 17(3), pp. 515-535, SCI Expanded.
13 S.-Y. Hwang, H. Wang, J. Tang, J. Srivastava, 2007, “A Probabilistic Approach to Modeling and Estimating the QoS of Web-services-based Workflows,” Journal of Information Sciences (INS), 177(23), pp 5484-5503, SCI Expanded.
14 Y. Wang, E.-P. Lim, S.-Y. Hwang, 2006. “Efficient Mining of Group Patterns from User Movement Data,” Data and Knowledge Engineering (DKE), 57(3), pp. 240-282, SCI Expanded.
15 W.-S. Yang, S.-Y. Hwang, 2006, “A Process-Mining Framework for the Detection of Healthcare Fraud and Abuse,” Expert Systems with Applications, 31, pp. 56-68, SCI Expanded.
16 S.-Y. Hwang, S.-M. Chuang, 2004, “Combining Article Content and Web Usage for Literature Recommendation in Digital Libraries,” Online Information Review, 28(4), pp. 260-272, NSC92-2622-E-110-016-003, SSCI.
17 S.-Y. Hwang, J. Tang, 2004, “Consulting Past Exceptions to Facilitate Workflow Exception Handling,” Decision Support Systems (DSS), 37(1), pp 49-69, NSC90-2213-E-110-022, SCI Expanded.
18 S.-Y. Hwang, C.-P. Wei, W.-S. Yang, 2004, “Discovery of Temporal Patterns from Process Instances,” Computers in Industry (C&I), special issue on workflow mining, 53(3), pp. 345-364, NSC-90-2213-E-110-022, SCI Expanded.
19 S.-Y. Hwang, W.-C. Hsiung, W.-S. Yang, 2003, “A Prototype WWW Literature Recommendation System for Digital Libraries,” Online Information Review, 27(3), pp. 169-182, NSC91-2413-H-110-004-003, SSCI.
20 S.-Y. Hwang, W.-S. Yang, 2002, “On the Discovery of Process Models from their Instances,” Decision Support Systems (DSS), 34(1), pp. 41-57, NSC89-2213-E-110-047, SCI expanded.
21 S.-Y. Hwang, 2000, “On Optimistic Methods for Handling Mobile Transactions,” Journal of Information Science and Engineering (JISE), 16, pp. 535-554, NSC86-2213-E-110-003. SCI expanded.
22 J. K. Lee, I.-K. Tsaur, S.-Y. Hwang, 1997, "Parallel Array Object I/O Support on Distributed Environments," Journal of Parallel and Distributed Computing (JDPC), 40, pp. 227-241, SCI.
23 S.-C. Chen, M. Yu, Y-Y Yao, S.-Y. Hwang, B. P. Lin, 1997, “VDBMS: A Solution to Integrating Heterogeneous Data Sources,” Journal of Information Science and Engineering (JISE), 13, pp. 585-603, SCI Expanded.
24 E.-P. Lim, S.-Y. Hwang, J. Srivastava, D. Clements, and M. Ganesh, 1995, “Myriad: Design and Implementation of a Federated Database Prototype,” Software Practice and Experience, 25(5) pp. 533-562, SCI expanded.
25 E.-P. Lim, J. Srivastava, S.-Y. Hwang, 1995, “An Algebraic Transformation Framework for Multidatabase Queries, ” Distributed and Parallel Databases: An International Journal, 3, pp. 273-307, SCI expanded.
26 S.-Y. Hwang, J. Srivastava, and L. Li, 1994, “Transaction Recovery in Federated Database Systems,” Distributed and Parallel Databases: An International Journal, 2, pp.151-182, SCI expanded.
27 Y. S. Kuo, S.-Y. Hwang, and H. F. Hu, 1989, “A Data Structure for Fast Region Searches,” IEEE Design and Test of Computer, pp. 20-29, SCI.

Conference Publications

1 S.-Y. Hwang, H.-Y. Sung, 2016, “Toward an Integrated Framework for Service Design: Converting Service Blueprints to BPMN processes,” The 4th International Conference on Serviceology (ICServ2016).
2 W.-L. Hsieh, S.-Y. Hwang, S.-C. Huang, S.-L. Chang, 2016, “Predicting Company Revenue Trend Using Financial News,” Proc. Of International Pacific Asia Conference on Information Systems (PACIS2016), June, 2016.
3 S.-Y. Hwang, et al., 2016, “Rediscovering Old Kaohsiung: Introduction and Experiences,” International Conference on Service Sciences and Innovation (ICSSI2016).
4 Keng-Pei Lin, Chia-Yu Lai, Po-Cheng Chen, San-Yih Hwang, 2015, “Personalized Hotel Recommendation Using Text Mining and Mobile Browsing Tracking,” Proc. Of The 2015 IEEE International Conference on Systems, Man, and Cybernetics (SMC2015).
5 I.-L. Chen, S. Chang, S.-Y. Hwang, K.S. Hsieh, 2015, “The Research on the Detection of Noteworthy Symptom Descriptions,” Proc. Of International Pacific Asia Conference on Information Systems (PACIS2015), July, Singapore.
6 I.-L. Yen, W. Zhu, G. Zhou, F. Bastani, S.-Y. Hwang, 2015, “A Smart Physical World Based on Service Technologies, Big Data, and Game-Based Crowd Sourcing,” Proc. of IEEE 2015 International Conference on Web Services (ICWS2013), New York, USA.
7 W. Zhu, G. Zhou, I.-L. Yen, S.-Y. Hwang, 2015, “A CFL-Ontology Model for Carbon Footprint Reasoning,” 2015 IEEE International Conference on Semantic Computing (ICSC 2015), California, USA.
8 S.-Y. Hwang, C.-Y. Lai, J.-J. Jiang, S. Chang, 2014, “The Identification of Noteworthy Hotel Reviews for Hotel Management,” Proc. Of International Pacific Asia Conference on Information Systems (PACIS2014), June, Chengdu, China.
9 C.-H. Lee, S.-Y. Hwang, and I-L. Yen, 2013, “Service Composition with Functional Flexibility Using Nondeterministic Service Interface,” Proc. Of IEEE International Conference on e-Business Engineering, Coventry, UK.
10 W. Zhu, G. Zhou, I.-L. Yen, S.-Y. Hwang, 2013, “Toward Ontology and Service Paradigm for Enhanced Carbon Footprint Management and Labeling,” Proc. of IEEE 2013 International Conference on Web Services (ICWS2013), Santa Clara, CA, USA.
11 S.-Y. Hwang, H.-L. Chiang, Y.-L. Hsiao, S. Chang, 2013, “On Classifying Discussion Threads Using Travel Information Goal-Oriented Model,” Proc. Of International Pacific Asia Conference on Information Systems, June, Jeju Island, Korea.
12 P.-Y. Chen, S.-Y. Hwang, and C.-H. Lee, 2013, “A Dynamic Service Composition Architecture in Supporting Reliable Web Service Selection,” Proc. Of International Conference on Service Science and Innovation, May, Kaohsiung, Taiwan.
13 S.-Y. Hwang, Y.-H. Hsieh, C.-H. Lee, 2012, “Data Providing Web Service Selection Using Bayesian Network,” Proc. Of IEEE International Conference on e-Business Engineering, Hanzhou, China.
14 C.-H. Lee, S.-Y. Hwang, T.-K. Yu, I-Ling Yen, 2012, “A Service Pattern Model for Flexible Service Composition,” work in progress track, Proc. Of IEEE 19th International Conference on Web Services (ICWS2012), Honolulu, Hawii.
15 S.-Y. Hwang, W.-S. Yang, 2012, “On-tour Attraction Recommendation in a Mobile Environment,” Proc. Of the 8th International Workshop on Mobile Peer-to-Peer Computing (MP2P 2012), associated with IEEE International Conference on Pervasive Computing (PerCom2012), Lugano, Switzerland.
16 W.-S. Yang, S.-Y. Hwang, 2012, “Facilitating Information Sharing and Social Interaction in Mobile Peer-to-Peer Environment,”  Proc. Of the 8th IEEE International Workshop on PervasivE Learning, Life, and Leisure, associated with IEEE International Conference on Pervasive Computing (PerCom2012) , Lugano, Switzerland.
17 S.-Y. Hwang, W.-F. Hsieh, C.-H. Lee, 2011, “Verifying Web Services in a Choreography Environment,” Proc. Of International Conference on Service Oriented Computing and Applications (SOCA2011), Irvine, CA.
18 Y.-H. Tsai, S.-Y. Hwang, Y. Tang, 2011, “A Hybrid Approach to Automatic Web Services Discovery,” Proc. Of International Joint Conference on Service Sciences (IJCSS), Taipei.
19 W. She, I., Yen, B. Thuraisingham, S.-Y. Hwang, 2011, “Rule-based Run-Time Information Flow Control in Service Cloud,” Proc. of IEEE 2011 International Conference on Web Services (ICWS2011).
20 S.-Y. Hwang, C.-P. Wei, Y.-C. Hung, Y. tang, 2010, “Combining Coauthorship Network and Content for Literature Recommendation,” Proc. Of Pacific-Asia Conference on Information Systems (PACIS2010), Taipei, Taiwan.
21 S.-Y. Hwang, W.-P. Liao, C.-H. Lee, 2010, “Web Services Selection in Support of Reliable Web Service Choreography,” Proc. of IEEE 2010 International Conference on Web Services (ICWS2010), Miami, Florida, USA.
22 S.-Y. Hwang, Y.-C. Chen, Y. Tang, 2009, “Web Services and Role Selection in Support of Separation of Duties and Binding of Duties for Composable Process Execution ” Proc. of International Conference on Service Oriented Computing and Applications (SOCA2009), Taipei, Taiwan.
23 S.-Y. Hwang, L.-S. Chen, 2009, “Using Trust for Collaborative Filtering in eCommerce,” Proc. of International Conference on Electronic Commerce (ICEC2009), Taipei, Taiwan.
24 C. -H. Lee, S.-Y. Hwang, 2009, "A Model for Web Services Data in Support of Web Service Composition and Optimization," Proc. of International Workshop on Web Services Performance (WSP 2009), associated with ICWS2009, Los Angles, USA.
25 S.-Y. Hwang, C. Ying, C.-H. Lee, 2008, “Selecting Web Services and Participants for Enforcing Workflow Access Control,” Proc. of Hawaii International Conference on System Sciences (HICSS-42), Big Island, Hawaii.
26 S.-Y. Hwang, P.-Y. Liu, C.-H. Lee, 2008, “Using Resampling for Optimizing Continuous Queries in Wireless Sensor Networks,” Proc. of 8th International Conf. on Intelligent System Design and Applications (ISDA2008), Kaohsiung, Taiwan.
27 S.-Y. Hwang, C. M. Lee, Chien-Hsiang Lee, 2008, “Discovering Moving Clusters from Spatial-Temporal Databases,” Proc. of 8th International Conf. on Intelligent System Design and Applications (ISDA2008), Kaohsiung, Taiwan.
28 S.-Y. Hwang, J. Tang, H.-Y. Lin, 2008, “A Probability-Based Framework for Dynamic Resource Scheduling in Grid Environment,” Proc. of 3rd Int. Conf. on Advances in Grid and Pervasive Computing (GPC2008), Kumin, China.
29 S.-Y. Hwang, E.-P. Lim, C.-H. Lee, C.-H. Chen, 2007, “ On Composing a Reliable Composite Web Service: A Study of Dynamic Web Service Selection,” Proc. of IEEE 2007 International Conference on Web Services (ICWS2007), Salk Lake City, USA.
30 H. Liu, S.-Y. Hwang, J. Srivastava, 2006, “PSRA: A Data Model for Managing Data in Sensor Networks,”, Proc. of the IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC2006), Taichung, Taiwan.
31 S. Maine, J. Srivastava, S.-Y. Hwang, 2005, “Estimating Missed Actual Positives Using Independent Classifiers,” Proc. Of ACM International Conference on SIG Knowledge Discovery and Data Mining (SIGKDD2005), Chicago, USA.
32 S.-Y. Hwang, Y.-H. Liu, J.-K. Chiu and E.-P. Lim, 2005, “Mining Mobile Group Patterns: A Trajectory-based Approach,” Proc. of the 9’th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD05), Hanoi, Vietnam.
33 W.-S. Yang, S.-Y. Hwang and J. Srivastava, 2005, “Selecting Structural Patterns for Classifications,” Proc. of Hawaii International Conference on System Sciences (HICSS-38), Big Island, Hawaii.
34 S. Maine, J. Srivastava, and S.-Y. Hwang, 2004, “Estimation of False Negatives in Classification,” Proc. of IEEE International Conference on Data Mining, (ICDM2004), Brighton, UK.
35 S.-Y. Hwang ,H. Wang,, and J. Srivastava, 2004, “A Probabilistic QoS Model and Computation Framework for Web Services-Based Workflows,” Proc. of the 23rd International Conference on Conceptual Modeling, (ER2004), Shanghai, China.
36 Y. Wang, E.-P. Lim, and S.-Y. Hwang, 2004, “Efficient Group Pattern Mining Using Data Summarization,” Proc. of the 9th International Conference on Database Systems for Advanced Application (DASFAA2004), Seoul, Korea.
37 Y. Wong, E.-P. Lim, S.-Y. Hwang, 2003, “On Mining Group Patterns of Mobile Users,” Proc. of the 14'th Int'l. Conf. on Database and Expert Systems Applications (DEXA’03).
38 S.-Y. Hwang, Y.-F. Chen, 2003, “Personal Workflows: Models and Management,” Proc. of the 4’th Int’l. Conf. on Mobile Data Management (MDM2003), Melbourne, Australia, Jan. 2003. LNCS2574, Springer Verlag.
39 S.-Y. Hwang, E.-P. Lim, 2002, “A Data Mining Approach to Library New Book Recommendations,” Proc. of the Int’l. Conference on Asia Digital Libraries (ICADL2002), Singapore. LNCS 2555, Springer Verlag.
40 J. Srivastava, J.-H. Wang, E.-P. Lim, S.-Y. Hwang, 2002, “A Case for Analytical Customer Relationship Management,” Proc. of the 6’th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD02), Taipei, Taiwan. LNAI 2336, Springer Verlag.
41 S.-Y. Hwang, C.-Y. Hong and W.-S. Yang, 2001, “Mining Generalized Profile Association Rules that Support New Product Recommendations,” Proc. of 11’th International Workshop on Information Technologies and Systems (WITS01), New Orleans, USA.
42 S.-Y. Hwang, J.-K. Chiu and W.-S. Yang, 2001, “Personal Workflow Management in Support of Pervasive Computing,” Proc. of the 2’nd Int’l. Conf. On Mobile Data Management (MDM2001), Hong Kong. LNCS 1987, Springer Verlag.
43 C.-P. Wei, S.-Y. Hwang and W.-S. Yang, 2000, “Mining Frequent Temporal Patterns in Process Databases,” Proc. of 10’th International Workshop on Information Technologies and Systems (WITS00), Australia.
44 S.-Y. Hwang and J.-K. Chiu, 2000, “Disseminating Query Results in Wireless Systems,” Proc. of International Workshop on Wireless Networks and Mobile Computing (WNMC 2000), in conjunction with International Conf. on Distributed Computing Systems (ICDCS2000), Taipei, Taiwan.
45 W.-S. Yang and S.-Y. Hwang, 1999, “Mining Instance Data to Discover Process Model,” Proc. of 9’th International Workshop on Information Technologies and Systems (WITS99), Charlotte, North Carolina.
46 S.-Y. Hwang, S.-F. Ho, and J. Tang, 1999 , “Mining Exception Instances to Facilitate Workflow Exception Handling,” Proc. of the 6th Int’l. Conf. On Database Systems for Advanced Applications (DASFAA99), Taiwan, pp. 45-52.
47 S.-Y. Hwang, J.-K. Chiu, 1998, “Toward Optimal Replication for Hierarchical Location Management in Wireless Systems,” Proc. of the International Workshop on Mobile Data Access, in conjunction with the 17th Int’l. Conf. on Conceptual Modeling (ER’98), Singapore, pp. 278-289. LNCS 1552, Springer Verlag.
48 S.-Y. Hwang, C.-T. Yang, 1998, “Component and Data Distribution in a Distributed Workflow Management System,” Proc. of the 1998 Asia Pacific Int’L. Conf. on Software Engineering (APSEC’98), Taipei, Taiwan, pp. 244-253.
49 S.-Y. Hwang, C.-P. Yu, F.-M. Chang, C.-P. Wei, 1998, “Supporting Business Process Reengineering: A Process Analysis Perspective,” Proc. Of the 2’nd Asia Pacific Int’l. Conf. On Decision Science Institute (APDSI’98), Taipei, Taiwan.
50 J. Tang and S.-Y. Hwang, 1998, “A Scheme to Specify and Implement Ad-Hoc Recovery in Workflow Systems,” Proc. of the 6’th Int.l. Conf. On Extending Database Technology (EDBT’98), Valencia, Spain. pp. 484-498. LNCS 1377, Springer Verlag.
51 S.-Y. Hwang, 1997, “Handling Transactions in a Mobile Environment with Cache,” Proc. of the 3rd Workshop in Mobile Computing, Hsin-Chu, Taiwan, March, pp.97-104.
52 K.S. Lee, S.-Y. Hwang, Y. H. Chin, and S.-C. Su Chen, 1996, “Constraint Maintenance for Replicated Databases,” Proc. of the International Computer Symposium (ICS’96), Kaohsiung, Taiwan, pp. 153-160.
53 S.-Y. Hwang, K. S. Lee, and Y. H. Chin, 1996, "Data Replication in a Loosely Coupled Distributed Database System: A Performance Study," Proc. of the 7'th Int'l. Conf. on Database and Expert Systems Applications (DEXA’96), Zurich, Switzerland, pp. 708-717. LNCS 1134, Springer Verlag.
54 J. Tang and S.-Y. Hwang, 1996, “Coping with Mismatched Semantics of Dependencies in Workflow Systems,” Proc. of the 7'th Int'l. Conf. on Database and Expert Systems Applications (DEXA’96), Zurich, Switzerland, pp. 467-476. LNCS 1134, Springer Verlag.
55 J. Tang, and S.-Y. Hwang, 1996, “Hanlding Uncertainties in Workflow Applications,” Proc. of the 5th Int’l. Conf. on Information and Knowledge Management (CIKM), Maryland, pp. 277-284.
56 S. C. Su Chen, M. Yu, Y.-Y. Yau, and S.-Y. Hwang, 1995, “The Design and Implementation of a Full-Fledged Multiple DBMS,” Proc. of the 11‘th Int’l. Conf. on Data and Knowledge Engineering (ICDE), pp. 67-68.
57 J. K. Lee, I.-K. Tsur, and S.-Y. Hwang, 1995, “Parallel Array Object I/O Support on Distributed Environments,” Proc. of the 7‘th SIAM Conf. on Parallel Processing for Scientific Computing.
58 J. Huang, S.-Y. Hwang, and J. Srivastava, 1993, “Concurrency Control in Federated Database Systems: A Performance Study,” Proc. of ISCA 7‘th Int’l. Conf. on Parallel and Distributed Computing systems.
59 S.-Y. Hwang, E.-P. Lim, H.-R. Yang, K. Mediratta, M. Ganesh, D. Clements, J. Stenoien, and J. Srivastava, 1994, “The MYRIAD Federated Database Prototype,” Proc. of ACM SIGMOD Int‘l. Conf. on Management of Data, pp. 518-518.
60 S.-Y. Hwang, E.-P. Lim, J. Srivastava, 1993, “Asynchronous Transaction Commitment in Federated Database Systems,” Proc. of the Int‘l. Conf. on Parallel and Distributed Systems.
61 S.-Y. Hwang, J. Huang, and J. Srivastava, 1993, “Concurrency Control in Federated Database Systems: A Dynamic Approach,” Proc. of the 2‘nd Int’l. Conf. on Information and Knowledge Management (CIKM).
62 J. Huang, S.-Y. Hwang, and P. Patiath, 1993, “On Scheduling Real-Time Tasks with Nondeterministic Synchronization Behavior,” Proc. of the 10‘th Int’l. Workshop on Real-Time Operating Systems and Software.
63 S. Prahakar, J. Huang, J. Richardson, J. Srivastava, E.-P. Lim, S.-Y. Hwang, S. Navathe, A. Savasare, and M. Foresti, 1993, “Federated Autonomous Databases: Project Overview,” Proc. of the 3‘rd IEEE Int’l. Workshop on Research Issues on Data Engineering/Interoperability in Multidatabase System (RIDE/IMS).

Projects

Period Title
2015-2017 The Design and Research of an Interactive Recommender System with User Context Evolution
(104-2410-H-110-039-MY2)
2016-2017 ASE Social Listening for Global (Supported by ASE)
2016-2017 The Framework Development of Taiwan Feature Identification (Supported by iSee Taiwan Foundation)