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DAM
2000
97views more  DAM 2000»
15 years 4 months ago
Algorithms and obstructions for linear-width and related search parameters
The linear-width of a graph G is de ned to be the smallest integer k such that the edges of G can be arranged in a linear ordering e1;:::;er in such a way that for every i = 1;:::...
Dimitrios M. Thilikos
TKDE
2012
250views Formal Methods» more  TKDE 2012»
13 years 7 months ago
Dense Subgraph Extraction with Application to Community Detection
— This paper presents a method for identifying a set of dense subgraphs of a given sparse graph. Within the main applications of this “dense subgraph problem”, the dense subg...
Jie Chen 0007, Yousef Saad
LAWEB
2006
IEEE
15 years 11 months ago
Where and How Duplicates Occur in the Web
In this paper we study duplicates on the Web, using collections containing documents of all sites under the .cl domain that represent accurate and representative subsets of the We...
Álvaro R. Pereira Jr., Ricardo A. Baeza-Yat...
APPROX
2006
Springer
117views Algorithms» more  APPROX 2006»
15 years 8 months ago
Fractional Matching Via Balls-and-Bins
In this paper we relate the problem of finding structures related to perfect matchings in bipartite graphs to a stochastic process similar to throwing balls into bins. Given a bip...
Rajeev Motwani, Rina Panigrahy, Ying Xu 0002
ICC
2007
IEEE
119views Communications» more  ICC 2007»
15 years 11 months ago
Graph-Based Detector for BLAST Architecture
Abstract— We propose belief propagation (BP) based detection algorithms for the Bell labs layered space-time (BLAST) architectures. We first develop a full complexity BP algorit...
Jun Hu, Tolga M. Duman