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» Executing Nested Queries
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VLDB
1999
ACM
91views Database» more  VLDB 1999»
15 years 8 months ago
Probabilistic Optimization of Top N Queries
The problem of nding the best answers to a query quickly, rather than nding all answers, is of increasing importance as relational databases are applied in multimedia and decision...
Donko Donjerkovic, Raghu Ramakrishnan
IPL
2008
147views more  IPL 2008»
15 years 4 months ago
Streaming tree automata
Streaming validation and querying of XML documents are often based on automata for tree-like structures. We propose a new notion of streaming tree automata in order to unify the t...
Olivier Gauwin, Joachim Niehren, Yves Roos
ICDE
2010
IEEE
178views Database» more  ICDE 2010»
15 years 4 months ago
Autonomic workload execution control using throttling
— Database Management Systems (DBMSs) are often required to simultaneously process multiple diverse workloads while enforcing business policies that govern workload performance. ...
Wendy Powley, Patrick Martin, Mingyi Zhang, Paul B...
EDBT
2010
ACM
189views Database» more  EDBT 2010»
15 years 9 months ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
PVLDB
2010
122views more  PVLDB 2010»
14 years 11 months ago
ZINC: Efficient Indexing for Skyline Computation
We present a new indexing method named ZINC (for Z-order Indexing with Nested Code) that supports efficient skyline computation for data with both totally and partially ordered at...
Bin Liu, Chee-Yong Chan