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This article provides a summary of the most important features of the upcoming recommendation of XQuery 4.0 that are already available in BaseX. Please note that the current specification is in draft status, so everything is subject to change until it is finalized.
XQuery’s full-text extension makes BaseX an ideal tool to build high-performance information retrieval systems. More than 20 languages available along with support for wildcards, stemming, case sensitivity, diacritics, TF/IDF scoring and stop words.
This article is part of the XQuery Portal. It provides a summary of the most important features of the XPath and XQuery Functions and Operators 4.0 W3C Editor's Draft.
BaseX provides an implementation of the W3 XPath and XQuery languages that is tightly coupled to the underlying database store. The query processor is also a flexible general-purpose processor that can access and process local and remote sources and output results in a variety of formats.
BaseX is a robust, high-performance XML database engine and a highly compliant XQuery processor with full support for the W3C Update and Full Text extensions. It serves as an excellent framework for building complex data-intensive Web applications.
For example, you can use BaseX to process XQuery expressions without entering the console.
As noted in 2.1.1 Values, every value in XQuery 4.0 is regarded as a sequence of zero, one, or more items. The type system of XQuery 4.0, described in this section, classifies the kinds of value that the language can handle, and the operations permitted on different kinds of value.
