686 search results - page 11 / 138 » A query simulation system to illustrate database query execu... |
ICDE
2006
IEEE
14 years 4 months ago
2006
IEEE
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
108
click to vote
ICDE
1999
IEEE
14 years 11 months ago
1999
IEEE
Modern digital libraries require user-friendly and yet responsive access to the rapidly growing, heterogeneous, and distributed collection of information sources. However, the inc...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
SIGMOD
1997
ACM
14 years 2 months ago
1997
ACM
In this paper, we study a simple SQL extension that enables query writers to explicitly limit the cardinality of a query result. We examine its impact on the query optimization an...
SSDBM
2005
IEEE
14 years 4 months ago
2005
IEEE
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...