Sciweavers

1300 search results - page 164 / 260
» XML Query Processing and Optimization
Sort
View
ICDT
2005
ACM
124views Database» more  ICDT 2005»
15 years 7 months ago
Optimal Distributed Declustering Using Replication
A common technique for improving performance for database query retrieval is to decluster the database among multiple disks so that retrievals can be parallelized. In this paper we...
Keith B. Frikken
CVDB
2005
ACM
15 years 3 months ago
Optimizing progressive query-by-example over pre-clustered large image databases
The typical mode for querying in an image content-based information system is query-by-example, which allows the user to provide an image as a query and to search for similar imag...
Anicet Kouomou Choupo, Laure Berti-Equille, Annie ...
ADC
2003
Springer
94views Database» more  ADC 2003»
15 years 7 months ago
Multi-resolution Algorithms for Building Spatial Histograms
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
Qing Liu, Yidong Yuan, Xuemin Lin
DEXA
2008
Springer
85views Database» more  DEXA 2008»
15 years 3 months ago
Reordering of Location Identifiers for Indexing an RFID Tag Object Database
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...
Sungwoo Ahn, Bonghee Hong
WECWIS
2009
IEEE
168views ECommerce» more  WECWIS 2009»
15 years 8 months ago
SARI-SQL: Event Query Language for Event Analysis
Complex Event Processing (CEP) systems are capable of processing large amounts of events, utilizing them to monitor, steer and optimize business in real time. The lack of tracking...
Szabolcs Rozsnyai, Josef Schiefer, Heinz Roth