1500 search results - page 171 / 300 » Query Optimization in Database Grid |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
The continuous intersection join query is computationally expensive yet important for various applications on moving objects. No previous study has particularly addressed this que...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
ct In some applications, data capture dominates query processing. For example, monitoring moving objects often requires more insertions and updates than queries. Data gathering usi...
ICDE
1999
IEEE
14 years 10 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...
ICDE
1998
IEEE
14 years 10 months ago
1998
IEEE
The association of timestamps with various data items such as tuples or attribute values is fundamental to the management of time-varying information. Using intervals in timestamp...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Consider an XML view defined over a relational database, and a user query specified over this view. This user XML query is typically processed using the following steps: (a) our t...