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IPCO
2008
221views Optimization» more  IPCO 2008»
15 years 6 months ago
A Comparative Study of Linear and Semidefinite Branch-and-Cut Methods for Solving the Minimum Graph Bisection Problem
Abstract. Semidefinite relaxations are known to deliver good approximations for combinatorial optimization problems like graph bisection. Using the spectral bundle method it is pos...
Michael Armbruster, Marzena Fügenschuh, Chris...
CORR
2008
Springer
127views Education» more  CORR 2008»
15 years 4 months ago
Comparing and Combining Methods for Automatic Query Expansion
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...
José R. Pérez-Agüera, Lourdes A...
CORR
2008
Springer
132views Education» more  CORR 2008»
15 years 4 months ago
Trading GRH for algebra: algorithms for factoring polynomials and related structures
Abstract. In this paper we develop a general technique to eliminate the assumption of the Generalized Riemann Hypothesis (GRH) from various deterministic polynomial factoring algor...
Gábor Ivanyos, Marek Karpinski, Lajos R&oac...
CORR
2006
Springer
99views Education» more  CORR 2006»
15 years 4 months ago
Intermediate Performance of Rateless Codes
Abstract-- Fountain codes are designed so that all input symbols can be recovered from a slightly larger number of coded symbols, with high probability using an iterative decoder. ...
Sujay Sanghavi
JSAC
2006
121views more  JSAC 2006»
15 years 4 months ago
Code-aided ML joint synchronization and channel estimation for downlink MC-CDMA
Abstract--In this paper, we present a novel code-aided joint synchronization and channel estimation algorithm for downlink multicarrier code-division multiple access. The expectati...
Mamoun Guenach, Henk Wymeersch, Heidi Steendam, Ma...