We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Abstract Current, data-driven applications have become more dynamic in nature, with the need to respond to events generated from distributed sources or to react to information extr...
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
This paper presents XForm -- a proposal for a general and powerful mechanism for handling forms in XML. XForm defines form -- related constructs independent of any particular XML ...
There has been growing interest in the addition of update operations to languages that operate on XML data, for example, XQuery and XJ. These update operations support efficient an...