Adaptive user defined transaction approach for CSCW

  • Authors:

  • Tshoganetso Khachana;Anne James;Rahat Iqbal

  • Affiliations:

  • Dept. of Computing and the Digital Environment, Coventry University, United Kingdom;Dept. of Computing and the Digital Environment, Coventry University, United Kingdom;Dept. of Computing and the Digital Environment, Coventry University, United Kingdom

  • Venue:
  • CSCWD '09 Proceedings of the 2009 13th International Conference on Computer Supported Cooperative Work in Design
  • Year:
  • 2009

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Abstract

This paper examines how web services can be used to aid co-operative working for design applications, particularly with regard to transaction management. Design applications classically are long running. Users typically check documents out to work on them, and then check them back in later. While checked out other users cannot work on them. We propose a model which will increase throughput. We achieve this by optionally relaxing all ACID properties. The model will be adaptive to meet different situations with different characteristics. For instance in some cases it will be appropriate to just relax atomicity. In others it may be appropriate to relax isolation and atomicity while maintaining consistency. In our model we will explore how far ACID properties of a transaction and combinations thereof can be relaxed in collaborating design applications whilst still maintaining a reliable user service. The proposed model can be used in many areas of application.