Sciweavers

170 search results - page 16 / 34
» Minimizing Weighted Tree Grammars Using Simulation
Sort
View
110
Voted
GECCO
2009
Springer
121views Optimization» more  GECCO 2009»
15 years 4 months ago
Using memetic algorithms to improve portfolio performance in static and dynamic trading scenarios
The Portfolio Optimization problem consists of the selection of a group of assets to a long-term fund in order to minimize the risk and maximize the return of the investment. This...
Claus de Castro Aranha, Hitoshi Iba
113
Voted
DAC
2006
ACM
15 years 5 months ago
Clock buffer and wire sizing using sequential programming
This paper investigates methods for clock skew minimization using buffer and wire sizing. First, a technique that significantly improves solution quality and stability of sequent...
Matthew R. Guthaus, Dennis Sylvester, Richard B. B...
AINA
2010
IEEE
15 years 3 months ago
PRoPHET+: An Adaptive PRoPHET-Based Routing Protocol for Opportunistic Network
Abstract—We propose PRoPHET+, a routing scheme for opportunistic networks designed to maximize successful data delivery rate and minimize transmission delay. PRoPHET+ computes a ...
Ting-Kai Huang, Chia-Keng Lee, Ling-Jyh Chen
89
Voted
EOR
2008
70views more  EOR 2008»
14 years 11 months ago
Robust portfolio selection based on a multi-stage scenario tree
The aim of this paper is to apply the concept of robust optimization introduced by Bel-Tal and Nemirovski to the portfolio selection problems based on multi-stage scenario trees. ...
Ruijun Shen, Shuzhong Zhang
89
Voted
TCOM
2010
112views more  TCOM 2010»
14 years 10 months ago
On further reduction of complexity in tree pruning based sphere search
Abstract—In this letter, we propose an extension of the probabilistic tree pruning sphere decoding (PTP-SD) algorithm that provides further improvement of the computational compl...
Byonghyo Shim, Insung Kang