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SAC
2009
ACM
14 years 3 months ago
On a discretizable subclass of instances of the molecular distance geometry problem
The molecular distance geometry problem can be formulated as the problem of finding an immersion in R3 of a given undirected, nonnegatively weighted graph G. In this paper, we di...
Carlile Lavor, Leo Liberti, Antonio Mucherino, Nel...
WWW
2005
ACM
14 years 9 months ago
On the lack of typical behavior in the global Web traffic network
We offer the first large-scale analysis of Web traffic based on network flow data. Using data collected on the Internet2 network, we constructed a weighted bipartite clientserver ...
Mark Meiss, Filippo Menczer, Alessandro Vespignani
STOC
2003
ACM
171views Algorithms» more  STOC 2003»
14 years 9 months ago
Primal-dual meets local search: approximating MST's with nonuniform degree bounds
We present a new bicriteria approximation algorithm for the degree-bounded minimum-cost spanning tree problem: Given an undirected graph with nonnegative edge weights and degree b...
Jochen Könemann, R. Ravi
ICCAD
2006
IEEE
139views Hardware» more  ICCAD 2006»
14 years 5 months ago
Analog placement with symmetry and other placement constraints
In order to handle device matching in analog circuits, some pairs of modules are required to be placed symmetrically. This paper addresses this device-level placement problem for ...
Yiu-Cheong Tam, Evangeline F. Y. Young, Chris C. N...
ACMICEC
2007
ACM
245views ECommerce» more  ACMICEC 2007»
14 years 19 days ago
Keyword generation for search engine advertising using semantic similarity between terms
An important problem in search engine advertising is keyword1 generation. In the past, advertisers have preferred to bid for keywords that tend to have high search volumes and hen...
Vibhanshu Abhishek, Kartik Hosanagar