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» Improved Algorithms for the Feedback Vertex Set Problems
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SIBGRAPI
2008
IEEE
15 years 10 months ago
A New Training Algorithm for Pattern Recognition Technique Based on Straight Line Segments
Recently, a new Pattern Recognition technique based on straight line segments (SLSs) was presented. The key issue in this new technique is to find a function based on distances b...
João Henrique Burckas Ribeiro, Ronaldo Fumi...
110
Voted
SIGIR
2008
ACM
15 years 3 months ago
Parsimonious relevance models
We describe a method for applying parsimonious language models to re-estimate the term probabilities assigned by relevance models. We apply our method to six topic sets from test ...
Edgar Meij, Wouter Weerkamp, Krisztian Balog, Maar...
167
Voted
EVOW
2008
Springer
15 years 5 months ago
A Hybrid Column Generation Approach for the Berth Allocation Problem
Abstract. The Berth Allocation Problem (BAP) consists on programming and allocating ships to berthing areas along a quay. The BAP is modeled as a vehicle routing problem and a rece...
Geraldo R. Mauri, Alexandre C. M. Oliveira, Luiz A...
IPCO
2008
129views Optimization» more  IPCO 2008»
15 years 5 months ago
A Polynomial Time Approximation Scheme for the Square Packing Problem
Given a set Q of squares with positive pro ts, the square packing problem is to select and pack a subset of squares of maximum pro t into a rectangular bin R. We present a polynomi...
Klaus Jansen, Roberto Solis-Oba
MONET
2006
107views more  MONET 2006»
15 years 3 months ago
Utilization and fairness in spectrum assignment for opportunistic spectrum access
The Open Spectrum approach to spectrum access can achieve near-optimal utilization by allowing devices to sense and utilize available spectrum opportunistically. However, a naive d...
Chunyi Peng, Haitao Zheng, Ben Y. Zhao