257 search results - page 20 / 52 » The convexity spectra of graphs |
DATE
2002
IEEE
14 years 15 days ago
2002
IEEE
In this paper, we deal with arbitrary convex and concave rectilinear module packing using the Transitive Closure Graph (TCG) representation. The geometric meanings of modules are ...
NIPS
2008
13 years 9 months ago
2008
Query expansion is a long-studied approach for improving retrieval effectiveness by enhancing the user's original query with additional related words. Current algorithms for ...
ISPD
1999
ACM
13 years 12 months ago
1999
ACM
The sequence-pair was proposed in 1994 as a representation of the packing of rectangles of general structure. Since then, there have been e orts to expand its applicability over s...
SIAMJO
2010
13 years 2 months ago
2010
Owing to their high accuracy and ease of formulation, there has been great interest in applying convex optimization techniques, particularly that of semidefinite programming (SDP)...
CCCG
2009
13 years 8 months ago
2009
In this paper we study the problem of computing an upward straight-line embedding of a directed graph G into a point set S, i.e. a planar drawing of G such that each vertex is map...