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CORR
2007
Springer
167views Education» more  CORR 2007»
15 years 4 months ago
Optimal Solutions for Sparse Principal Component Analysis
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a linear combination of the input variables while constraining the number of nonze...
Alexandre d'Aspremont, Francis R. Bach, Laurent El...
FSTTCS
2006
Springer
15 years 8 months ago
Fast Exponential Algorithms for Maximum r-Regular Induced Subgraph Problems
Given a graph G=(V, E) on n vertices, the MAXIMUM r-REGULAR INDUCED SUBGRAPH (M-r-RIS) problems ask for a maximum sized subset of vertices R V such that the induced subgraph on R,...
Sushmita Gupta, Venkatesh Raman, Saket Saurabh
ISPD
2003
ACM
133views Hardware» more  ISPD 2003»
15 years 10 months ago
Optimal minimum-delay/area zero-skew clock tree wire-sizing in pseudo-polynomial time
In 21st-Century VLSI design, clocking plays crucial roles for both performance and timing convergence. Due to their non-convex nature, optimal minimum-delay/area zero-skew wire-si...
Jeng-Liang Tsai, Tsung-Hao Chen, Charlie Chung-Pin...
MST
2002
169views more  MST 2002»
15 years 4 months ago
Bulk Synchronous Parallel Algorithms for the External Memory Model
Abstract. Blockwise access to data is a central theme in the design of efficient external memory (EM) algorithms. A second important issue, when more than one disk is present, is f...
Frank K. H. A. Dehne, Wolfgang Dittrich, David A. ...
SIGIR
2004
ACM
15 years 10 months ago
Subwebs for specialized search
We describe a method to define and use subwebs, user-defined neighborhoods of the Internet. Subwebs help improve search performance by inducing a topic-specific page relevance ...
Raman Chandrasekar, Harr Chen, Simon Corston-Olive...