1702 search results - page 71 / 341 » Using Nondeterminism to Design Efficient Deterministic Algor... |
CIIA
2009
13 years 9 months ago
2009
Vertical partition is an important technique in database design used to enhance performance in database systems. Vertical fragmentation is a combinatorial optimization problem that...
TJS
2008
13 years 7 months ago
2008
Multiple memory models have been proposed to capture the effects of memory hierarchy culminating in the I-O model of Aggarwal and Vitter [?]. More than a decade of architectural a...
ERSA
2004
13 years 9 months ago
2004
In this paper, we propose an architecture for floatingpoint based LU decomposition for large-sized matrices. Our proposed architecture is based on the well known concept of blocki...
FUIN
2006
13 years 7 months ago
2006
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 algorithm due to M...
ESA
2006
Springer
13 years 11 months ago
2006
Springer
Lower envelopes are fundamental structures in computational geometry, which have many applications, such as computing general Voronoi diagrams and performing hidden surface removal...