Sciweavers

Share
126 search results - page 1 / 26
» Automated statistics collection in action
Sort
View
SIGMOD
2005
ACM
174views Database» more  SIGMOD 2005»
11 years 7 months ago
Automated statistics collection in action
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...
Peter J. Haas, Mokhtar Kandil, Alberto Lerner, Vol...
VLDB
2004
ACM
124views Database» more  VLDB 2004»
11 years 6 months ago
Automated Statistics Collection in DB2 UDB
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, G...
TCSV
2008
297views more  TCSV 2008»
11 years 1 months ago
Activity Analysis, Summarization, and Visualization for Indoor Human Activity Monitoring
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...
Zhongna Zhou, Xi Chen, Yu-Chia Chung, Zhihai He, T...
GROUP
2003
ACM
11 years 6 months ago
Communities of action: a cognitive and social approach to the design of CSCW systems
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...
Manuel Zacklad
CDC
2009
IEEE
173views Control Systems» more  CDC 2009»
11 years 6 months ago
Sequentially updated Probability Collectives
— 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...
Michalis Smyrnakis, David S. Leslie
books