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An Algebraic Approach to Bi-directional Updating

  • Shin-Cheng Mu
  • Zhenjiang Hu
  • Masato Takeichi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3302)

Abstract

In many occasions would one encounter the task of maintaining the consistency of two pieces of structured data that are related by some transform — synchronising bookmarks in different web browsers, the source and the view in an editor, or views in databases, to name a few. This paper proposes a formal model of such tasks, basing on a programming language allowing injective functions only. The programmer designs the transformation as if she is writing a functional program, while the synchronisation behaviour is automatically derived by algebraic reasoning. The main advantage is being able to deal with duplication and structural changes. The result will be integrated to our structure XML editor in the Programmable Structured Document project.

Keywords

Atomic Type Algebraic Approach Injective Function Document Designer Galois Connection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Shin-Cheng Mu
    • 1
  • Zhenjiang Hu
    • 1
  • Masato Takeichi
    • 1
  1. 1.Department of Information EngineeringUniversity of TokyoTokyoJapan

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