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EDBT
2010
ACM
208views Database» more  EDBT 2010»
14 years 4 months ago
Stream schema: providing and exploiting static metadata for data stream processing
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
Peter M. Fischer, Kyumars Sheykh Esmaili, Ren&eacu...
SIGMOD
2004
ACM
198views Database» more  SIGMOD 2004»
14 years 9 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
ER
2007
Springer
127views Database» more  ER 2007»
14 years 3 months ago
Update XML Data by Using Graphical Languages
To be a full-featured data exchange format, XML should support not only queries but also updates on its contents. The new W3C XML update facility has proposed a set of operators (...
Wei Ni, Tok Wang Ling
VLDB
2005
ACM
96views Database» more  VLDB 2005»
14 years 3 months ago
Robust Real-time Query Processing with QStream
Processing data streams with Quality-ofService (QoS) guarantees is an emerging area in existing streaming applications. Although it is possible to negotiate the result quality and...
Sven Schmidt, Thomas Legler, Sebastian Schär,...
PODS
2005
ACM
164views Database» more  PODS 2005»
14 years 9 months ago
Lower bounds for sorting with few random accesses to external memory
We consider a scenario where we want to query a large dataset that is stored in external memory and does not fit into main memory. The most constrained resources in such a situati...
Martin Grohe, Nicole Schweikardt