Sciweavers

3875 search results - page 424 / 775
» Approximation algorithms for the 0-extension problem
Sort
View
SSD
2005
Springer
108views Database» more  SSD 2005»
16 years 7 days ago
On Trip Planning Queries in Spatial Databases
In this paper we discuss a new type of query in Spatial Databases, called the Trip Planning Query (TPQ). Given a set of points of interest P in space, where each point belongs to ...
Feifei Li, Dihan Cheng, Marios Hadjieleftheriou, G...
COMPGEOM
2006
ACM
16 years 22 days ago
How to get close to the median shape
In this paper, we study the problem of L1-fitting a shape to a set of point, where the target is to minimize the sum of distances of the points to the shape, or alternatively the...
Sariel Har-Peled
GECCO
2006
Springer
137views Optimization» more  GECCO 2006»
15 years 10 months ago
Inside a predator-prey model for multi-objective optimization: a second study
In this article, new variation operators for evolutionary multiobjective algorithms (EMOA) are proposed. On the basis of a predator-prey model theoretical considerations as well a...
Christian Grimme, Karlheinz Schmitt
PODS
2004
ACM
148views Database» more  PODS 2004»
16 years 6 months ago
Deterministic Wavelet Thresholding for Maximum-Error Metrics
Several studies have demonstrated the effectiveness of the wavelet decomposition as a tool for reducing large amounts of data down to compact wavelet synopses that can be used to ...
Minos N. Garofalakis, Amit Kumar
RANDOM
1998
Springer
15 years 11 months ago
On-Line Bin-Stretching
We are given a sequence of items that can be packed into m unit size bins. In the classical bin packing problem we x the size of the bins and try to pack the items in the minimum ...
Yossi Azar, Oded Regev