1542 search results - page 234 / 309 » Redundancy in Spatial Databases |
SAC
2010
ACM
14 years 3 months ago
2010
ACM
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
ICDT
1999
ACM
14 years 1 months ago
1999
ACM
A large number of database index structures have been proposed over the last two decades, and little consensus has emerged regarding their relative e ectiveness. In order to empir...
VLDB
1993
ACM
14 years 27 days ago
1993
ACM
ract One important aspect of scientific data management is metadata management. Metadata is information about data (e.g., content, source, processing applied, precision). One kind ...
ICIP
2005
IEEE
14 years 10 months ago
2005
IEEE
The appearance of a face image is severely affected by illumination conditions that hinder the automatic face recognition process. To recognize faces under varying illuminations, ...
ICIP
2002
IEEE
14 years 10 months ago
2002
IEEE
In this paper we introduce the DCT-mod2 facial feature extraction technique which utilizes polynomial coefficients derived from 2-D DCT coefficients of spatially neighbouring bloc...