94 search results - page 1 / 19 » Data Base Mappings and Theory of Sketches |
CORR
2011
Springer
12 years 8 months ago
2011
Springer
In this paper we will present the two basic operations for database schemas used in database mapping systems (separation and Data Federation), and we will explain why the functoria...
WSDM
2010
ACM
14 years 2 months ago
2010
ACM
We study the fundamental problem of computing distances between nodes in large graphs such as the web graph and social networks. Our objective is to be able to answer distance que...
ACII
2005
Springer
13 years 10 months ago
2005
Springer
In this paper, a novel system is proposed to recognize facial expression based on face sketch, which is produced by programmable graphics hardware-GPU(Graphics Processing Unit). Fi...
INFOCOM
2006
IEEE
13 years 10 months ago
2006
IEEE
— Monitoring the traffic in high-speed networks is a data intensive problem. Uniform packet sampling is the most popular technique for reducing the amount of data the network mo...
FOCS
2000
IEEE
13 years 9 months ago
2000
IEEE
In this article, we show several results obtained by combining the use of stable distributions with pseudorandom generators for bounded space. In particular: —We show that, for a...