82 search results - page 8 / 17 » Rewriting nested XML queries using nested views |
106
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ICDE
2006
IEEE
15 years 5 months ago
2006
IEEE
Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
CIKM
2005
Springer
15 years 5 months ago
2005
Springer
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
100
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WWW
2008
ACM
16 years 8 days ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...
113
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SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
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 ...
COOPIS
2002
IEEE
15 years 4 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...