2724 search results - page 255 / 545 » Optimizing Queries on Files |
238
click to vote
GIS
2008
ACM
16 years 5 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
112
click to vote
CPM
2007
Springer
15 years 10 months ago
2007
Springer
We consider the two-dimensional Range Minimum Query problem: for a static (m × n)-matrix of size N = mn which may be preprocessed, answer on-line queries of the form “where is t...
129
click to vote
PVLDB
2010
15 years 2 months ago
2010
Mobile commerce and location based services (LBS) are some of the fastest growing IT industries in the last five years. Location update of mobile clients is a fundamental capabil...
135
click to vote
SIGMOD
2001
ACM
16 years 4 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
141
click to vote
SSD
2005
Springer
15 years 9 months ago
2005
Springer
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...