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Full-text is an important [[Query|query]] feature for working with XML documents, and BaseX was the first query processor that fully supported the upcoming [http://www.w3.org/TR/xpath-full-text-10/ W3C XQuery Full Text 1.0] Recommendation. This page lists some singularities and extensions of the BaseX implementation.
==Fuzzy Querying== In addition to the W3C XQFT Recommendationofficial recommendation, BaseX supports fuzzy querying.
The XQFT grammar was enhanced by the FTMatchOption <code>using fuzzy </code>
to allow for approximate searches in full texts.
*<code>1:</code> Standard TF/IDF algorithm, which treats document nodes as document units
*<code>2:</code> Each text node is treated as a document unit in the TF/IDF algorithm. This variant is recommendable for large XML files which only contain one document node
==Functions==
Some additional [[Full-text Functions]] have been added to BaseX to extend the official language recommendation with useful features, such as explicitly requesting the score value of an item, marking the hits of a full-text request, or directly accessing the full-text index with the default index options.
[[Category:XQuery]]
