Sciweavers

2902 search results - page 45 / 581
» A database of local fields
Sort
View
DRM
2004
Springer
14 years 4 months ago
Tamper detection and localization for categorical data using fragile watermarks
Today, database relations are widely used and distributed over the Internet. Since these data can be easily tampered with, it is critical to ensure the integrity of these data. In...
Yingjiu Li, Huiping Guo, Sushil Jajodia
CISS
2008
IEEE
14 years 5 months ago
Costas array generator polynomials in finite fields
—Permutations of order N are generated using polynomials in a Galois field GF(q) where q > N+1, which can be written as a linear transformation on a vector of polynomial coeff...
James K. Beard
GIS
2009
ACM
14 years 3 months ago
A multidimensional model representing continuous fields in spatial data warehouses
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
Alejandro A. Vaisman, Esteban Zimányi
ICMCS
2009
IEEE
189views Multimedia» more  ICMCS 2009»
13 years 8 months ago
Efficient human action recognition by luminance field trajectory and geometry information
In recent years the video event understanding is an active research topic, with many applications in surveillance, security, and multimedia search and mining. In this paper we foc...
Haomian Zheng, Zhu Li, Yun Fu
EDBT
1990
ACM
108views Database» more  EDBT 1990»
14 years 3 months ago
Deductive Databases - Theory Meets Practice
Deductive Databases are coming of age with the emergence of efficient and easy to use systems that support queries, reasoning, and application development on databases through dec...
Carlo Zaniolo