Enterprise Workflow and Service Oriented Computing

Welcome to EWC Project HOME PAGE

[ Project description | Team | Demo | Publication ]

Project Description

The Enterprise Workflow Computing research project aims at developing a flexible framework and algorithms to support adaptive, reliable, and efficient enterprise workflow activities in distributed open environments like the Internet and enterprise intranets. We combine advanced transaction processing (TP) technologies with adaptive methods to guide our system design, and build the mechanisms by extending the functions of existing TP systems.

Project Members and Collaborations

Dr. Ling Liu

Dr. Calton Pu, Professor

James Caverlee, PhD Student.

Qin Yi, PhD Student.

Jianjun Zhang, PhD Student.

Past Members

David Buttler, graduated in 2003 and now with LLNL, California, USA
Wei Han, graduated in 2003 and now with IBM Almaden, USA
Tong Zhou, Past PhD student, Now with Oracle, USA.

Software Development

The team has developed two suites of software tools: XWRAP family and TAM. XWRAP family consists of XWRAPElite and XWRAPComposer, aiming at providing a Java and WSDL code generator system for single page Java wrapper and Multi-page java wrapper.

TAM is a a prototype implementation of our dynamic workflow activites scheduling algorithms for effectively monitoring and managing transactional workflow applications. See walk through of demo systems or follow this link to the Demo page. Note that this Demo requires a JDK 1.1 enabled browser.

Most Recent Publications

Ling Liu, Calton Pu, and Duncan Dubugras Ruiz. ``Dynamic Workflow Restructuring Framework for Long-Running Business Processes", Chapter in Advanced Topics in Database Research, Vol. 4. Idea Group Inc., 2004
Ling Liu, Jianjun Zhang, Wei Han, Calton Pu, James Caverlee, Sungkeun Park, Terence Critchlow, Matthew Coleman, David Buttler. "XWRAPComposer: A Multi-Page Data Extraction Service for Bio-Computing Applications", Proceedings of IEEE International Conference on Service Oriented Computing (SCC 2005), Orlando, Florida, USA, July 12-15, 2005.
Ling Liu, Calton Pu, Duncan Dubugras Ruiz. ``A Systematic Approach to Flexible Specification, Composition, and Restructuring of Workflow Activities", In Journal of Database Management, Vol. 15, No.1,Jan/March, 2004. pp1-40.
Keke Chen and Ling Liu. ``A Visual Framework Invites Human into the Clustering Process", Proceedings of the International Conference on Scientific and Statistical Database Management (SSDBM2003), July 9-11 2003, Cambridge, MA (USA).
I. Altintas, S. Bhagwanani, D. Buttler, S. Chandra, Z. Cheng, M. Coleman, T. Critchlow, A. Gupta, W. Han, L. Liu, B. Ludäscher, C. Pu, R. Moore,A. Shoshani, and M. Vouk. "A Modeling and Execution Environment for Distributed Scientific Workflows", In 15th Intl. Conference on Scientific and Statistical Database Management (SSDBM), Boston, Massachussets, 2003.
Ling Liu, Calton Pu, Wei Han. "XWrap: An XML-enabled Wrapper Construction System for Web Information Sources", In Proceedinghs of the 16th International Conference on Data Engineering (ICDE 2000), March, 2000, San Diego, CA (IEEE CS Press). pp611-621.
Tong Zhou, Ling Liu, Calton Pu. " TAM: A System for Dynamic Transactional Activity Management", To appear in Proceedings of the 1999 SIGMOD, June 2-4, Philadelphia, Pennsylvania, USA
Tong Zhou, Calton Pu, Ling Liu. " Dynamic restructuring of Transactional Workflow Activities: A Practical Implementation Method", In Proceedings of the Seventh International Conference on Information and Knowledge Management (CIKM'98), November 3-7, 1998, Washington D.C., USA
Ling Liu and Calton Pu. " Methodical Restructuring of Complex Workflow Activities". IEEE 14th International Conference on Data Engineering, February 23-27, 1998, Orlando, Florida, USA. pp342-350.
Ling Liu and Calton Pu. " A Transactional Activity Model for Organizing Open-ended Cooperative activities". In: the 31st Hawaii International Conference on Systen Sciences (HICSS-31) -- Workflow Systems Minitrack, January 6-9, 1998 (Big Island of Hawaii)
Ling Liu and Calton Pu. " ActivityFlow: Towards Incremental Sepcification and Flexible Coordination of Workflow Activities", In: The 16th International Conference on Conceptual Modeling (ER'97) , Los Angeles, California, USA (3 - 6 November 1997).
Tong Zhou, Calton Pu, and Ling Liu. "Using OCP to build Flexible Coordination Protocols: A Transactional Multimedia Application", In: the International Symposium on Digital Media Information Base (DMIB'97), Nara, Japan, November 26-28, 1997. pp305 - 309, World Scientific.
L. Liu and C. Pu. " A Reflective Framework for Capturing Complex Dependencies of Workflow Activities", In: The Proceeding of IPSJ International Symposium on Information Systems and Technologies for Network Society September 24-26, 1997, Fukuoka Institute of Technology, (Invited paper), World-Scientific Pub. pp368-376.
Tong Zhou, Calton Pu, and Ling Liu. " Adaptable, Efficient, and Modular Coordination of Distributed Extended Transactions", The proceedings of Fourth International Conference on PARALLEL AND DISTRIBUTED INFORMATION SYSTEMs (PDIS), December 18-20, 1996, Miami Beach, Florida. (IEEE Press) pp262-273
Ling Liu and Robert Meersman. " The Basic Building Blocks for Modeling Communication Behavior of Complex Objects: an Activity-driven Approach", ACM Transactions on Database Systems , Vol.21, No.3, June 1996, pp157-207.

For problems or questions regarding this web contact [hpts@cc.gatech.edu].
Last updated July 20, 2005.