Sciweavers

686 search results - page 49 / 138
» A query simulation system to illustrate database query execu...
Sort
View
SSDBM
2008
IEEE
113views Database» more  SSDBM 2008»
14 years 5 months ago
Query Selectivity Estimation for Uncertain Data
Applications requiring the handling of uncertain data have led to the development of database management systems extending the scope of relational databases to include uncertain (p...
Sarvjeet Singh, Chris Mayfield, Rahul Shah, Sunil ...
IPM
2007
137views more  IPM 2007»
13 years 10 months ago
Analyzing imbalance among homogeneous index servers in a web search system
The performance of parallel query processing in a cluster of index servers is crucial for modern web search systems. In such a scenario, the response time basically depends on the...
Claudine Santos Badue, Ricardo A. Baeza-Yates, Ber...
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
14 years 11 months ago
Column-stores vs. row-stores: how different are they really?
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
Daniel J. Abadi, Samuel Madden, Nabil Hachem
CIDR
2009
125views Algorithms» more  CIDR 2009»
13 years 12 months ago
Towards Eco-friendly Database Management Systems
Database management systems (DBMSs) have largely ignored the task of managing the energy consumed during query processing. Both economical and environmental factors now require th...
Willis Lang, Jignesh M. Patel
ICDE
2008
IEEE
118views Database» more  ICDE 2008»
15 years 4 days ago
Robust Runtime Optimization of Data Transfer in Queries over Web Services
Self-managing solutions have recently attracted a lot of interest from the database community. The need for self-* properties is more evident in distributed applications comprising...
Anastasios Gounaris, Christos Yfoulis, Rizos Sakel...