582 search results - page 22 / 117 » Performance Comparison of Point and Spatial Access Methods |
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
JSCIC
2007
13 years 7 months ago
2007
Different time-stepping methods for a nodal high-order discontinuous Galerkin discretisation of the Maxwell equations are discussed. A comparison between the most popular choices o...
FGR
2004
IEEE
13 years 11 months ago
2004
IEEE
We consider the problem of robustly and accurately locating facial features. The relative positions of different feature points are represented using a statistical shape model. We...
PODS
1995
ACM
13 years 11 months ago
1995
ACM
During the last decade various spatial data structures have been designed and compared against each other with respect to their performance. Still missing is a lower bound result,...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
This paper presents a query optimizer module based on cost estimation that chooses the best filtering step algorithm to perform a specific spatial join operation. A set of express...