Sciweavers

1732 search results - page 236 / 347
» New Challenges in Parallel Optimization
Sort
View
WCNC
2008
IEEE
14 years 3 months ago
Distributed Energy Efficient Spectrum Access in Wireless Cognitive Radio Sensor Networks
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
Song Gao, Lijun Qian, Dhadesugoor R. Vaman
SSD
2007
Springer
171views Database» more  SSD 2007»
14 years 3 months ago
Transformation of Continuous Aggregation Join Queries over Data Streams
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
Tri Minh Tran, Byung Suk Lee
VLDB
2002
ACM
143views Database» more  VLDB 2002»
13 years 9 months ago
SQL Memory Management in Oracle9i
Complex database queries require the use of memory-intensive operators like sort and hashjoin. Those operators need memory, also referred to as SQL memory, to process their input ...
Benoît Dageville, Mohamed Zaït
DCOSS
2009
Springer
14 years 3 months ago
Cheap or Flexible Sensor Coverage
We consider dual classes of geometric coverage problems, in which disks, corresponding to coverage regions of sensors, are used to cover a region or set of points in the plane. The...
Amotz Bar-Noy, Theodore Brown, Matthew P. Johnson,...
HOTI
2008
IEEE
14 years 3 months ago
Building Manycore Processor-to-DRAM Networks with Monolithic Silicon Photonics
We present a new monolithic silicon photonics technology suited for integration with standard bulk CMOS processes, which reduces costs and improves opto-electrical coupling compar...
Christopher Batten, Ajay Joshi, Jason Orcutt, Anat...