255 search results - page 25 / 51 » Approximate Tree Embedding Problem - An Algebraic Approach |
SDM
2012
SIAM
11 years 11 months ago
2012
SIAM
Many high-profile applications pose high-dimensional nearest-neighbor search problems. Yet, it still remains difficult to achieve fast query times for state-of-the-art approache...
JCB
1998
13 years 8 months ago
1998
Abstract. The method of invariants is an approach to the problem of reconstructing the phylogenetic tree of a collection of m taxa using nucleotide sequence data. Models for the re...
SIAMSC
2011
13 years 3 months ago
2011
We develop an algebraic multigrid (AMG) setup scheme based on the bootstrap framework for multiscale scientific computation. Our approach uses a weighted least squares definition...
MONET
2006
13 years 8 months ago
2006
In this paper we address the minimum-energy broadcast problem in multi-hop wireless networks, so that all broadcast requests initiated by different source nodes take place on the s...
PPAM
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorit...