649 search results - page 58 / 130 » Improved and Optimized Partitioning Techniques in Database Q... |
108
Voted
ICDCS
2007
IEEE
15 years 10 months ago
2007
IEEE
When there are multiple queries posed to the resourceconstrained wireless sensor network, it is critical to process them efficiently. In this paper, we propose a Two-Tier Multipl...
157
Voted
CIDR
2007
15 years 5 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
132
Voted
IDEAS
2005
IEEE
15 years 9 months ago
2005
IEEE
Adaptive operator scheduling algorithms for continuous query processing are usually designed to serve a single performance objective, such as minimizing memory usage or maximizing...
129
Voted
ADC
2004
Springer
15 years 9 months ago
2004
Springer
Many spatio-temporal applications involve managing and querying moving objects. In such an environment, predictive spatio-temporal queries become an important query class to be pr...
123
Voted
SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...