73 search results - page 12 / 15 » Projective-planar signed graphs and tangled signed graphs |
CSUR
1999
13 years 7 months ago
1999
The Web can be naturally modeled as a directed graph, consisting of a set of abstract nodes (the pages) joined by directional edges (the hyperlinks). Hyperlinks encode a considerab...
SODA
2010
ACM
13 years 5 months ago
2010
ACM
We present an exact algorithm that decides, for every fixed r ≥ 2 in time O(m) + 2O(k2 ) whether a given multiset of m clauses of size r admits a truth assignment that satisfi...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
Abstract-- Efficient detection of globally optimal surfaces representing object boundaries in volumetric datasets is important and remains challenging in many medical image analysi...
CBMS
2009
IEEE
14 years 2 months ago
2009
IEEE
Providing a comprehensive set of relevant information at the point of care is crucial for making correct clinical decisions in a timely manner. Retrieval of scenario specific inf...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
—Wireless Community Networks (WCNs) are wide-area wireless networks whose nodes are owned and managed by volunteers. We focus on the provision of Internet access to mobile users ...