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SEMWEB
2010
Springer
15 years 4 months ago
SPARQL Query Optimization on Top of DHTs
We study the problem of SPARQL query optimization on top of distributed hash tables. Existing works on SPARQL query processing in such environments have never been implemented in a...
Zoi Kaoudi, Kostis Kyzirakos, Manolis Koubarakis
ICASSP
2009
IEEE
15 years 4 months ago
Joint optimization of the redundancy of multiple-description coders for multicast
We consider the optimization of multicast over packet-switched communication networks with a non-zero packet-loss probability. For the system setup consisting of a number of multi...
Ermin Kozica, W. Bastiaan Kleijn
SAC
2010
ACM
16 years 1 months ago
Adaptive internet services through performance and availability control
Cluster-based multi-tier systems provide a means for building scalable Internet services. Building adaptive Internet services that are able to apply appropriate system sizing and ...
Jean Arnaud, Sara Bouchenak
DATE
2006
IEEE
142views Hardware» more  DATE 2006»
16 years 23 days ago
Physical-aware simulated annealing optimization of gate leakage in nanoscale datapath circuits
For CMOS technologies below 65nm, gate oxide direct tunneling current is a major component of the total power dissipation. This paper presents a simulated annealing based algorith...
Saraju P. Mohanty, Ramakrishna Velagapudi, Elias K...
SIGMOD
1998
ACM
143views Database» more  SIGMOD 1998»
15 years 11 months ago
Optimal Multi-Step k-Nearest Neighbor Search
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
Thomas Seidl, Hans-Peter Kriegel