392 search results - page 23 / 79 » Optimal location queries in road network databases |
VLDB
2012
ACM
12 years 5 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Abstract-- We introduce join scheduling algorithms that employ a balanced network utilization metric to optimize the use of all network paths in a global-scale database federation....
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
Relevance Feedback has proven very effective for improving retrieval accuracy. A difficult yet important problem in all relevance feedback methods is how to optimally balance the...
SSDBM
2008
IEEE
14 years 4 months ago
2008
IEEE
Increasingly, many data sources appear as online databases, hidden behind query forms, thus forming what is referred to as the deep web. It is desirable to have systems that can pr...
ICDE
2006
IEEE
14 years 4 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...