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» Approximate XML Query Answers
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WWW
2008
ACM
14 years 8 months ago
Utility-driven load shedding for xml stream processing
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...
Mingzhu Wei, Elke A. Rundensteiner, Murali Mani
ER
2003
Springer
148views Database» more  ER 2003»
14 years 1 months ago
Improving Query Performance Using Materialized XML Views: A Learning-Based Approach
We consider the problem of improving the efficiency of query processing on an XML interface of a relational database, for predefined query workloads. The main contribution of this ...
Ashish Shah, Rada Chirkova
FQAS
2009
Springer
127views Database» more  FQAS 2009»
14 years 2 months ago
Finding Top-k Approximate Answers to Path Queries
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...
PODS
2009
ACM
101views Database» more  PODS 2009»
14 years 8 months ago
XML with incomplete information: models, properties, and query answering
Pablo Barceló, Leonid Libkin, Antonella Pog...
CCS
2001
ACM
14 years 12 days ago
Flexible authentication of XML documents
XML is increasingly becoming the format of choice for information exchange on the Internet. As this trend grows, one can expect that documents (or collections thereof) may get qui...
Premkumar T. Devanbu, Michael Gertz, April Kwong, ...