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» Adaptive query execution for data management in the cloud
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DEBU
2000
118views more  DEBU 2000»
14 years 11 months ago
A Dynamic Query Processing Architecture for Data Integration Systems
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
Luc Bouganim, Françoise Fabret, C. Mohan, P...
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
15 years 1 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...
SIGOPS
2010
84views more  SIGOPS 2010»
14 years 10 months ago
LazyBase: freshness vs. performance in information management
Information management applications exhibit a wide range of query performance and result freshness goals. Some applications, such as web search, require interactive performance, b...
Kimberly Keeton, Charles B. Morrey III, Craig A. N...
VLDB
2005
ACM
112views Database» more  VLDB 2005»
15 years 5 months ago
Content-Based Routing: Different Plans for Different Data
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...
Pedro Bizarro, Shivnath Babu, David J. DeWitt, Jen...
ICDE
2009
IEEE
140views Database» more  ICDE 2009»
16 years 1 months ago
Predicting Multiple Metrics for Queries: Better Decisions Enabled by Machine Learning
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...
Archana Ganapathi, Harumi A. Kuno, Umeshwar Dayal,...