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XML Screamer: An Integrated Approach to High Performance XML Parsing, Validation and Deserialization

  • Margaret G. Kostoulas, IBM Corporation, USA
  • Morris Matsa, IBM Corporation, USA
  • Noah Mendelsohn, IBM Corporation, USA
  • Eric Perkins, IBM Corporation, USA
  • Abraham Heifets, IBM Corporation, USA
  • Martha Mercaldi, University of Washington, USA
Nominated for Best Paper

Full text:

Track: XML and Web Services

Slot: 14:00-15:30, Wednesday 24th May

This paper describes an experimental system in which customized high performance XML parsers are prepared using parser generation and compilation techniques. Parsing is integrated with Schema-based validation and deserialization, and the resulting validating processors are shown to be as fast as or in many cases significantly faster than traditional nonvalidating parsers. High performance is achieved by integration across layers of software that are traditionally separate, by avoiding unnecessary data copying and transformation, and by careful attention to detail in the generated code. The effect of API design on XML performance is also briefly discussed.

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