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» Preserving XML queries during schema evolution
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SIGMOD
2004
ACM
198views Database» more  SIGMOD 2004»
14 years 7 months ago
Secure XML Querying with Security Views
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
Wenfei Fan, Chee Yong Chan, Minos N. Garofalakis
IDEAS
2006
IEEE
152views Database» more  IDEAS 2006»
14 years 1 months ago
Querying Encrypted XML Documents
This paper proposes techniques to query encrypted XML documents. Such a problem predominantly occurs in “Database as a Service” (DAS) architectures, where a client may outsour...
Ravi Chandra Jammalamadaka, Sharad Mehrotra
VLDB
2005
ACM
162views Database» more  VLDB 2005»
14 years 28 days ago
XQuery Implementation in a Relational Database System
Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the dat...
Shankar Pal, Istvan Cseri, Oliver Seeliger, Michae...
IANDC
2011
91views more  IANDC 2011»
13 years 2 months ago
Queries on Xml streams with bounded delay and concurrency
Query answering algorithms on Xml streams check answer candidates on the fly in order to avoid the unnecessary buffering whenever possible. The delay and concurrency of a query ...
Olivier Gauwin, Joachim Niehren, Sophie Tison
DATESO
2008
131views Database» more  DATESO 2008»
13 years 9 months ago
Towards Cost-based Optimizations of Twig Content-based Queries
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
Michal Krátký, Radim Baca