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A Three-Layer Framework for Cross-Organizational e-Contract Enactment

  • Shing-Chi Cheung
  • Dickson K. W. Chiu
  • Sven Till
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2512)

Abstract

In an e-commerce environment, contracts are important for attaining business process interoperability and enforcing their proper enactment. An e-contract is the computerized facilitation or automation of a contract in a cross-organizational business process. We find that e-contract facilitation can be divided into multiple levels and perspectives, which has not been adequately addressed before. In this paper, we present a framework for e-contract enactment with three layers, viz., business layer, structural layer, and implementation layer. In the business layer, e-contracts are defined through analyzing the contract clauses to business rules and business entities. In the structural layer, requirements for the E-contract enactment workflow are elucidated through requirement analysis to cover both static and dynamic aspects. In the implementation layer, workflows and cross-organizational interoperating interfaces are implemented using contemporary Enterprise Java Bean and Web services. In this paper, we present the methodology and process for engineering the functional aspects of e-contracts from high-level business-view down to implementation layer based on this framework, illustrated with an investment example. The framework allows an e-contract to be seamlessly defined and enacted. The framework is modeled in UML.

Keywords

e-contracts cross-organizational business process UML workflow management Web services 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Shing-Chi Cheung
    • 1
  • Dickson K. W. Chiu
    • 2
  • Sven Till
    • 1
  1. 1.Department of Computer ScienceHong Kong University of Science and TechnologyKowloonHong Kong
  2. 2.Department of Computer Science and EngineeringChinese University of Hong Kong Shatin, NTHong Kong

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