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» Executing Nested Queries
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EDBT
2011
ACM
199views Database» more  EDBT 2011»
14 years 6 months ago
Predicting completion times of batch query workloads using interaction-aware models and simulation
A question that database administrators (DBAs) routinely need to answer is how long a batch query workload will take to complete. This question arises, for example, while planning...
Mumtaz Ahmad, Songyun Duan, Ashraf Aboulnaga, Shiv...
SIGMOD
2001
ACM
124views Database» more  SIGMOD 2001»
16 years 3 months ago
Query Optimization In Compressed Database Systems
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
Zhiyuan Chen, Johannes Gehrke, Flip Korn
ICDE
2010
IEEE
434views Database» more  ICDE 2010»
16 years 17 days ago
Progressive Result Generation for Multi-Criteria Decision Support Queries
— Multi-criteria decision support (MCDS) is crucial in many business and web applications such as web searches, B2B portals and on-line commerce. Such MCDS applications need to r...
Elke A. Rundensteiner, Venkatesh Raghavan
SIGIR
2005
ACM
15 years 9 months ago
Basic issues on the processing of web queries
Search engines represent a key component of Web economy these days. Despite that, there is not much technical literature available on their design, fine tuning, and internal oper...
Claudine Santos Badue, Ramurti A. Barbosa, Paulo B...
EDBT
2010
ACM
149views Database» more  EDBT 2010»
15 years 8 months ago
Statistics-based parallelization of XPath queries in shared memory systems
The wide availability of commodity multi-core systems presents an opportunity to address the latency issues that have plaqued XML query processing. However, simply executing multi...
Rajesh Bordawekar, Lipyeow Lim, Anastasios Kements...