… queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update
syntax… When posed on an XML tree T, it returns another XML tree that would be produced …

… of both queries and updates. This is nontrivial because we must consider destructive update
at the … The XQuery Update proposal overloads existing query syntax for updates. The () …

… update operations for both ordered and unordered XML data… XML query language, XQuery,
to incorporate the update … for implementing update operations when the XML data is mapped …

… Our update language is based on XQuery 1.0, W3C’s XML query language, and seamlessly
… We describe the user-level syntax of our update language and present a framework for its …

… In this section we recall the XML query-update framework … queries for both updates and
queries. Specifically, the … details on the syntax and semantics of XQ and XML Updates. To …

… The XQuery Update proposal re-uses existing query syntax for updates. The () expression
does nothing, while u, u is sequential composition, and XQuery conditionals and for-loops can …

… full querying language like, eg, the SQL querying construct. It provides the base for most XML
querying … We extend the XPath syntax with the Datalog-style variable concept (and implicit …

… queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update
syntax… When posed on an XML tree T, it returns another XML tree that would be produced …

… for the structural querying of XML data. In particular, … XML query processing: a twig query
join, XML query algebras, optimizations of query plans, and selectivity estimation of XML queries…

… The BNF syntax is shown in Figure 4 while the BNF for the UPDATE clause (subOp in Figure
4) in particular is shown in Figure 5. The semantics of FOR, LET and WHERE clauses are …