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» On Heuristic Time Hierarchies
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IJCBDD
2008
113views more  IJCBDD 2008»
15 years 6 months ago
Parsimony accelerated Maximum Likelihood searches
: Phylogenetic search is a key tool used in a variety of biological research endeavors. However, this search problem is known to be computationally difficult, due to the astronomic...
Kenneth Sundberg, Timothy O'Connor, Hyrum Carroll,...
ICCNMC
2005
Springer
15 years 11 months ago
Improved Thumbprint and Its Application for Intrusion Detection
This paper proposes RTT-thumbprint to traceback intruders, and to detect stepping-stone intrusion; RTT-thumbprint is a sequence of timestamp pairs of a send packet and its correspo...
Jianhua Yang, Shou-Hsuan Stephen Huang
JMLR
2010
225views more  JMLR 2010»
15 years 1 months ago
Hartigan's Method: k-means Clustering without Voronoi
Hartigan's method for k-means clustering is the following greedy heuristic: select a point, and optimally reassign it. This paper develops two other formulations of the heuri...
Matus Telgarsky, Andrea Vattani
FORMATS
2004
Springer
15 years 10 months ago
The Influence of Durational Actions on Time Equivalences
The hierarchy of untimed equivalences is well understood for action-based systems. This is not the case for timed systems, where it is, for example, possible to detect concurrency ...
Harald Fecher
FPGA
1998
ACM
125views FPGA» more  FPGA 1998»
15 years 10 months ago
Timing Driven Floorplanning on Programmable Hierarchical Targets
The goal of this paper is to perform a timing optimization of a circuit described by a network of cells on a target structure whose connection delays have discrete values following...
S. A. Senouci, A. Amoura, Helena Krupnova, Gabriel...