On the expressibility of functions in XQuery fragments
نویسندگان
چکیده
منابع مشابه
On the expressibility of functions in XQuery fragments
XQuery is a powerful XML query language with many features and syntactic constructs. For many common queries we do not need all the expressive power of XQuery. We investigate the effect of omitting certain features of XQuery on the expressive power of the language. We start from a simple base fragment which can be extended by several optional features being aggregation functions such as count a...
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On the Expressive Power of XQuery Fragments
XQuery is known to be a powerful XML query language with many bells and whistles. For many common queries we do not need all the expressive power of XQuery. We investigate the effect of omitting certain features of XQuery on the expressive power of the language. We start from a simple base fragment which can be extended by several optional features being aggregation functions such as count and ...
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ژورنال
عنوان ژورنال: Information Systems
سال: 2008
ISSN: 0306-4379
DOI: 10.1016/j.is.2008.01.003