Sciweavers

1092 search results - page 144 / 219
» Generating Databases for Query Workloads
Sort
View
EDBT
2009
ACM
110views Database» more  EDBT 2009»
15 years 3 months ago
A sampling approach for XML query selectivity estimation
As the Extensible Markup Language (XML) rapidly establishes itself as the de facto standard for presenting, storing, and exchanging data on the Internet, large volume of XML data ...
Cheng Luo, Zhewei Jiang, Wen-Chi Hou, Feng Yu, Qia...
FQAS
2009
Springer
142views Database» more  FQAS 2009»
15 years 3 months ago
On the Selection of the Best Retrieval Result Per Query - An Alternative Approach to Data Fusion
Some recent works have shown that the “perfect” selection of the best IR system per query could lead to a significant improvement on the retrieval performance. Motivated by thi...
Antonio Juárez-González, Manuel Mont...
ICDE
2010
IEEE
250views Database» more  ICDE 2010»
15 years 8 months ago
Optimized Query Evaluation Using Cooperative Sorts
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
Yu Cao, Ramadhana Bramandia, Chee-Yong Chan, Kian-...
SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
15 years 3 months ago
DynaMat: A Dynamic View Management System for Data Warehouses
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
Yannis Kotidis, Nick Roussopoulos
BMCBI
2007
174views more  BMCBI 2007»
14 years 11 months ago
ESTuber db: an online database for Tuber borchii EST sequences
Background: The ESTuber database (http://www.itb.cnr.it/estuber) includes 3,271 Tuber borchii expressed sequence tags (EST). The dataset consists of 2,389 sequences from an in-hou...
Barbara Lazzari, Andrea Caprera, Cristian Cosentin...