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» Querying Multimedia Data Sources and Databases
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CIKM
2011
Springer
12 years 10 months ago
Tractable XML data exchange via relations
We consider data exchange for XML documents: given source and target schemas, a mapping between them, and a document conforming to the source schema, construct a target document a...
Rada Chirkova, Leonid Libkin, Juan L. Reutter
SIGMOD
2002
ACM
93views Database» more  SIGMOD 2002»
14 years 10 months ago
Implementing database operations using SIMD instructions
Modern CPUs have instructions that allow basic operations to be performed on several data elements in parallel. These instructions are called SIMD instructions, since they apply a...
Jingren Zhou, Kenneth A. Ross
ICDT
2012
ACM
293views Database» more  ICDT 2012»
12 years 11 days ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan
MM
2003
ACM
145views Multimedia» more  MM 2003»
14 years 3 months ago
Proscenium: a framework for spatio-temporal video editing
We present an approach to video editing where movie sequences are treated as spatio-temporal volumes that can be sheered and warped under user control. This simple capability enab...
Eric P. Bennett, Leonard McMillan
CIKM
2006
Springer
14 years 1 months ago
Heuristic containment check of partial tree-pattern queries in the presence of index graphs
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...
Dimitri Theodoratos, Stefanos Souldatos, Theodore ...