126 search results - page 1 / 26 » Automated statistics collection in action |
SIGMOD
2005
ACM
13 years 10 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...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
TCSV
2008
13 years 4 months ago
2008
Abstract--In this work, we study how continuous video monitoring and intelligent video processing can be used in eldercare to assist the independent living of elders and to improve...
GROUP
2003
ACM
13 years 9 months ago
2003
ACM
Most current theories about collective cognitive activities in limited groups apply to structurally closed co-operative situations Here we propose to work in the framework of inte...
CDC
2009
IEEE
13 years 9 months ago
2009
IEEE
— Multi-agent coordination problems can be cast as distributed optimization tasks. Probability Collectives (PCs) are techniques that deal with such problems in discrete and conti...