2223 search results - page 425 / 445 » Query Optimization in an OODBMS |
SIGMOD
2005
ACM
14 years 3 months ago
2005
ACM
If presented with inaccurate statistics, even the most sophisticated query optimizers make mistakes. They may wrongly estimate the output cardinality of a certain operation and th...
DEXA
2005
Springer
14 years 3 months ago
2005
Springer
In contrast to alpha-numerical data, multimedia data can have a wide range of quality parameters such as spatial and temporal resolution, and compression format. Users can request ...
INFOCOM
2003
IEEE
14 years 3 months ago
2003
IEEE
Abstract— Standard embeded sensor nework models emphasize energy efficiency and distributed decision-making by considering untethered and unattended sensors. To this we add two ...
MM
2009
ACM
14 years 2 months ago
2009
ACM
Content Based Image Retrieval (CBIR) has become one of the most active research areas in computer science. Relevance feedback is often used in CBIR systems to bridge the semantic ...
BTW
2009
Springer
14 years 2 months ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...