796 search results - page 135 / 160 » Approximating the centroid is hard |
ICDT
2010
ACM
14 years 5 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
ICDT
2010
ACM
14 years 5 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
SDM
2009
SIAM
14 years 4 months ago
2009
SIAM
Metaheuristics represent an important class of techniques to solve, approximately, hard combinatorial optimization problems for which the use of exact methods is impractical. In t...
EUROSYS
2008
ACM
14 years 4 months ago
2008
ACM
Causal request traces are valuable to developers of large concurrent and distributed applications, yet difficult to obtain. Traces show how a request is processed, and can be anal...
IPSN
2010
Springer
14 years 2 months ago
2010
Springer
A key problem in sensor networks is to decide which sensors to query when, in order to obtain the most useful information (e.g., for performing accurate prediction), subject to co...