Development of applications that process large scientific datasets is often complicated by complex and specialized data storage formats. We show how XML Schemas can be used to give a high-level abstraction of a dataset to an application developer. We also show how the use of XQuery with such high-level Schemas can simplify application development. The nature of the computations in scientific data processing applications and use of high-level Schemas poses a number of challenges in XQuery compilation, which are being addressed in our current work
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