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» Query Performance Prediction: Evaluation Contrasted with Eff...
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132
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EDBT
1998
ACM
155views Database» more  EDBT 1998»
15 years 3 months ago
Improving the Query Performance of High-Dimensional Index Structures by Bulk-Load Operations
Abstract. In this paper, we propose a new bulk-loading technique for high-dimensional indexes which represent an important component of multimedia database systems. Since it is ver...
Stefan Berchtold, Christian Böhm, Hans-Peter ...
MONET
2002
95views more  MONET 2002»
14 years 11 months ago
On Improving the Performance of Cache Invalidation in Mobile Environments
Many cache management schemes designed for mobile environments are based on invalidation reports (IRs). However, IR-based approach suffers from long query latency and it cannot eff...
Guohong Cao
CIKM
2001
Springer
15 years 4 months ago
Exploiting A Controlled Vocabulary to Improve Collection Selection and Retrieval Effectiveness
Vocabulary incompatibilities arise when the terms used to index a document collection are largely unknown, or at least not well-known to the users who eventually search the collec...
James C. French, Allison L. Powell, Fredric C. Gey...
WWW
2005
ACM
16 years 10 days ago
TJFast: effective processing of XML twig pattern matching
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. A number of algorithms have been proposed to process ...
Jiaheng Lu, Ting Chen, Tok Wang Ling
113
Voted
EDBT
2011
ACM
199views Database» more  EDBT 2011»
14 years 3 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...