What is the XPATH, XSLT, XQuery standard compliance?
Virtuoso currently supports XPATH 2.0, XSLT 1.1, and XQuery 1.0. What are the searching functions available: Standard XML languages (XQuery, XPath or/and proprietary languages)? XPath, Xquery, Freetext queries, and, or not proximity and wild cards. A free text expression may be embedded inside an XPath predicate using a special XPath expression.