15 search results - page 3 / 3 » Policy Classes and Query Rewriting Algorithm for XML Securit... |
PODS
2008
ACM
14 years 5 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
This paper investigates a class of transform 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 ret...
SACMAT
2005
ACM
13 years 11 months ago
2005
ACM
Integration of version and access control of XML documents has the benefit of regulating access to rapidly growing archives of XML documents. Versioned XML documents provide us w...
PPDP
2010
Springer
13 years 3 months ago
2010
Springer
We propose a model for XML update primitives of the W3C XQuery Update Facility as parameterized rewriting rules of the form: "insert an unranked tree from a regular tree lang...
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...