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ICALP
2010
Springer
15 years 11 months ago
Additive Spanners in Nearly Quadratic Time
We consider the problem of efficiently finding an additive C-spanner of an undirected unweighted graph G, that is, a subgraph H so that for all pairs of vertices u, v, δH (u, v) ...
David P. Woodruff
CORR
2004
Springer
119views Education» more  CORR 2004»
15 years 6 months ago
Exploring networks with traceroute-like probes: theory and simulations
Mapping the Internet generally consists in sampling the network from a limited set of sources by using traceroute-like probes. This methodology, akin to the merging of different s...
Luca Dall'Asta, J. Ignacio Alvarez-Hamelin, Alain ...
DM
1998
91views more  DM 1998»
15 years 6 months ago
On some relations between 2-trees and tree metrics
A tree function (TF) t on a ÿnite set X is a real function on the set of the pairs of elements of X satisfying the four-point condition: for all distinct x; y; z; w ∈ X; t(xy)+...
Bruno Leclerc, Vladimir Makarenkov
MP
2007
100views more  MP 2007»
15 years 5 months ago
Power optimization for connectivity problems
Given a graph with costs on the edges, the power of a node is the maximum cost of an edge leaving it, and the power of the graph is the sum of the powers of the nodes of this graph...
Mohammad Taghi Hajiaghayi, Guy Kortsarz, Vahab S. ...
ICSE
2004
IEEE-ACM
16 years 6 months ago
Design of Large-Scale Polylingual Systems
Abstract. Building systems from existing applications written in two or more languages is common practice. Such systems are polylingual. Polylingual systems are relatively easy to ...
Mark Grechanik, Don S. Batory, Dewayne E. Perry