290 search results - page 21 / 58 » A continuous query system for dynamic route planning |
GIS
2010
ACM
13 years 6 months ago
2010
ACM
Since navigation systems and tracking devices are becoming ubiquitous in our daily life, the development of efficient methods for processing massive sets of mobile objects are of ...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
USENIX
2008
13 years 10 months ago
2008
This paper describes Mortar, a distributed stream processing platform for building very large queries across federated systems (enterprises, grids, datacenters, testbeds). Nodes i...
SIGMOD
2002
ACM
13 years 7 months ago
2002
ACM
Traditional query processors generate full, accurate query results, either in batch or in pipelined fashion. We argue that this strict model is too rigid for exploratory queries o...
INFOCOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—We describe an algorithm for sub-carrier and power allocation that achieves out-of-cell interference avoidance through dynamic fractional frequency reuse (FFR) in downlink of ce...