Sciweavers

1567 search results - page 133 / 314
» Compressing Relations and Indexes
Sort
View
WWIC
2004
Springer
174views Communications» more  WWIC 2004»
15 years 11 months ago
On Connectivity in Ad Hoc Networks under Jamming Using Directional Antennas and Mobility
In this paper we investigate the problem of maintaining connectivity under jamming in multihop ad hoc wireless networks. Connectivity is measured using a connectivity index, which ...
Guevara Noubir
CDC
2009
IEEE
135views Control Systems» more  CDC 2009»
15 years 10 months ago
Stiffness matrix and quantitative measure of formation rigidity
— Rigidity of formation is an importance concept in multi-agent localization and control problems. There are welldeveloped existing methods to test the rigidity of a given graph....
Guangwei Zhu, Jianghai Hu
CAISE
2006
Springer
15 years 9 months ago
An Efficient Approach to Support Querying Secure Outsourced XML Information
Abstract. Data security is well-recognized a vital issue in an information system that is supported in an outsource environment. However, most of conventional XML encryption propos...
Yin Yang, Wilfred Ng, Ho Lam Lau, James Cheng
ICPR
2004
IEEE
16 years 7 months ago
Efficient Coding of Stroke-Rendered Paintings
There are more and more applications of nonphotorealistic rendered images, sketches and drawings. Several techniques for generating such imagery are widely known. The stochastic p...
Levente Kovács, Tamás Szirány...
SIGDOC
2004
ACM
15 years 11 months ago
Semantic thumbnails: a novel method for summarizing document collections
The concept of thumbnails is common in image representation. A thumbnail is a highly compressed version of an image that provides a small, yet complete visual representation to th...
Arijit Sengupta, Mehmet M. Dalkilic, James C. Cost...