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EMO
2001
Springer
209views Optimization» more  EMO 2001»
15 years 2 months ago
Comparison of Evolutionary and Deterministic Multiobjective Algorithms for Dose Optimization in Brachytherapy
We compare two multiobjective evolutionary algorithms, with deterministic gradient based optimization methods for the dose optimization problem in high-dose rate (HDR) brachythera...
Natasa Milickovic, Michael Lahanas, Dimos Baltas, ...
IPPS
2005
IEEE
15 years 3 months ago
A Powerful Direct Mechanism for Optimal WWW Content Replication
This paper addresses the problem of fine-grained data replication in large distributed systems, such as the Internet, so as to minimize the user access delays. With fine-grained d...
Samee Ullah Khan, Ishfaq Ahmad
IPCO
2010
210views Optimization» more  IPCO 2010»
14 years 8 months ago
A 3-Approximation for Facility Location with Uniform Capacities
We consider the facility location problem where each facility can serve at most U clients. We analyze a local search algorithm for this problem which uses only the operations of ad...
Ankit Aggarwal, L. Anand, Manisha Bansal, Naveen G...
ICCV
2009
IEEE
16 years 2 months ago
Optimizing Parametric Total Variation Models
One of the key factors for the success of recent energy minimization methods is that they seek to compute global solutions. Even for non-convex energy functionals, optimization ...
Petter Strandmark, Fredrik Kahl, Niels Chr. Overga...
ICDM
2006
IEEE
89views Data Mining» more  ICDM 2006»
15 years 3 months ago
On the Lower Bound of Local Optimums in K-Means Algorithm
The k-means algorithm is a popular clustering method used in many different fields of computer science, such as data mining, machine learning and information retrieval. However, ...
Zhenjie Zhang, Bing Tian Dai, Anthony K. H. Tung