3320 search results - page 519 / 664 » Heuristics for the Phylogeny Problem |
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
ICDCN
2010
Springer
14 years 4 months ago
2010
Springer
Abstract— Motivated by the widespread proliferation of wireless networks employing directional antennas, we study the problem of provisioning bandwidth in such networks. Given a ...
IAT
2009
IEEE
14 years 4 months ago
2009
IEEE
In building practical sensor networks, it is often beneficial to use only a subset of sensors to take measurements because of computational, communication, and power limitations....
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
Multigranular optical WDM network aims to reduce network cost by grouping multiple wavelengths and then switching those wavelengths together at waveband or fiber levels. To configu...
MOBICOM
2006
ACM
14 years 3 months ago
2006
ACM
Mobile sensors cover more area over a period of time than the same number of stationary sensors. However, the quality of coverage achieved by mobile sensors depends on the velocit...