4790 search results - page 45 / 958 » Reverse Query Processing |
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
DAWAK
2009
Springer
13 years 6 months ago
2009
Springer
Data Warehouses (DW) manage crucial enterprise information used for the decision making process which has to be protected from unauthorized accesses. However, security constraints ...
ICDT
2007
ACM
14 years 3 months ago
2007
ACM
We introduce a new abstract model of database query processing, finite cursor machines, that incorporates certain data streaming aspects. The model describes quite faithfully what...
BIRTE
2006
14 years 17 days ago
2006
Existing distributed publish/subscribe systems (DPSS) offer loosely coupled and easy to deploy content-based stream delivery services to a large number of users. However, the lack ...