Sciweavers

2354 search results - page 460 / 471
» Randomness, Stochasticity and Approximations
Sort
View
FOCS
2004
IEEE
13 years 11 months ago
Triangulation and Embedding Using Small Sets of Beacons
Concurrent with recent theoretical interest in the problem of metric embedding, a growing body of research in the networking community has studied the distance matrix defined by n...
Jon M. Kleinberg, Aleksandrs Slivkins, Tom Wexler
DCOSS
2006
Springer
13 years 11 months ago
GIST: Group-Independent Spanning Tree for Data Aggregation in Dense Sensor Networks
Abstract. Today, there exist many algorithms and protocols for constructing agregation or dissemination trees for wireless sensor networks that are optimal (for different notions o...
Lujun Jia, Guevara Noubir, Rajmohan Rajaraman, Rav...
PPSN
2000
Springer
13 years 11 months ago
Optimizing through Co-evolutionary Avalanches
Abstract. We explore a new general-purpose heuristic for nding highquality solutions to hard optimization problems. The method, called extremal optimization, is inspired by self-or...
Stefan Boettcher, Allon G. Percus, Michelangelo Gr...
ISSTA
2010
ACM
13 years 9 months ago
Perturbing numerical calculations for statistical analysis of floating-point program (in)stability
Writing reliable software is difficult. It becomes even more difficult when writing scientific software involving floating-point numbers. Computers provide numbers with limite...
Enyi Tang, Earl T. Barr, Xuandong Li, Zhendong Su
ELPUB
2008
ACM
13 years 9 months ago
Global annual volume of peer reviewed scholarly articles and the share available via different Open Access options
A key parameter in any discussions about the academic peer reviewed journal system is the number of articles annually published. Several diverging estimates of this parameter have...
Bo-Christer Björk, Annikki Roos, Mari Lauri