1168 search results - page 20 / 234 » Optimization strategies for complex queries |
DEBS
2011
ACM
2011
ACM
DejaVu: a complex event processing system for pattern matching over live and historical data streams
13 years 1 months ago
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
SODA
2000
ACM
13 years 11 months ago
2000
ACM
Most research in algorithms for geometric query problems has focused on their worstcase performance. However, when information on the query distribution is available, the alternat...
ICDE
1999
IEEE
14 years 11 months ago
1999
IEEE
Indexes play a vital role in decision support systems by reducing the cost of answering complex queries. A popular methodology for choosing indexes that is adopted by database adm...
PE
2008
Springer
13 years 10 months ago
2008
Springer
We develop a queueing model for analyzing resource replication strategies in wireless sensor networks. The model can be used to minimize either the total transmission rate of the ...