Sciweavers

4934 search results - page 369 / 987
» complexity 2008
Sort
View
190
Voted
ISCI
2007
105views more  ISCI 2007»
15 years 6 months ago
Cost modeling of spatial operators using non-parametric regression
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
Songtao Jiang, Byung Suk Lee, Zhen He
TEC
2008
98views more  TEC 2008»
15 years 6 months ago
Opposition-Based Differential Evolution
Evolutionary Algorithms (EAs) are well-known optimization approaches to cope with non-linear, complex problems. These population-based algorithms, however, suffer from a general we...
Shahryar Rahnamayan, Hamid R. Tizhoosh, Magdy M. A...
TGIS
2008
69views more  TGIS 2008»
15 years 6 months ago
Spatial-Scene Similarity Queries
Assessing spatial scenes for similarity is difficult from a cognitive and computational perspective. Solutions to spatial-scene similarity assessments are sensible only if corresp...
Konstantinos A. Nedas, Max J. Egenhofer
TIP
2008
121views more  TIP 2008»
15 years 6 months ago
Bistatic Synthetic Aperture Radar Imaging for Arbitrary Flight Trajectories
Abstract--In this paper, we present an analytic, filtered backprojection (FBP) type inversion method for bistatic synthetic aperture radar (BISAR). We consider a BISAR system where...
Can Evren Yarman, Birsen Yazici, Margaret Cheney
TIT
2008
115views more  TIT 2008»
15 years 6 months ago
Affine Reflection Group Codes
This paper presents a construction of Slepian group codes from affine reflection groups. The solution to the initial vector and nearest distance problem is presented for all irred...
Terasan Niyomsataya, Ali Miri, Monica Nevins