1629 search results - page 228 / 326 » Hardness Results and Efficient Algorithms for Graph Powers |
WWW
2004
ACM
15 years 10 months ago
2004
ACM
Theoretical analysis of the Web graph is often used to improve the efficiency of search engines. The PageRank algorithm, proposed by [5], is used by the Google search engine [4] t...
IEEEMSP
2002
IEEE
15 years 2 months ago
2002
IEEE
—This paper presents an operational rate-distortion (ORD) optimal approach for skeleton-based boundary encoding. The boundary information is first decomposed into skeleton and di...
174
click to vote
ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
We present a technique for refining the design of relational storage for XML data based on XML key propagation. Three algorithms are presented: one checks whether a given function...
ICPR
2004
IEEE
15 years 11 months ago
2004
IEEE
A new criterion based on Gaussian fields is introduced and applied to the task of automatic rigid registration of point-sets. The method defines a simple energy function, which is...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
— In this paper, we propose a low-complexity iterative joint channel estimation, detection and decoding technique for doubly selective channels. The key is a segment-by-segment f...