session 2 overview - ppsn 2014ppsn2014.ijs.si/files/slides/ppsn2014-session2-branke.pdf · s2.2. an...
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![Page 1: Session 2 Overview - PPSN 2014ppsn2014.ijs.si/files/slides/ppsn2014-session2-branke.pdf · S2.2. An Immune-Inspired Algorithm for the Set Cover Problem Ayush Joshi, Jonathan Rowe,](https://reader035.vdocuments.mx/reader035/viewer/2022071020/5fd42cb662b93c03c145cc9d/html5/thumbnails/1.jpg)
Session 2 Overview
Juergen Branke
![Page 2: Session 2 Overview - PPSN 2014ppsn2014.ijs.si/files/slides/ppsn2014-session2-branke.pdf · S2.2. An Immune-Inspired Algorithm for the Set Cover Problem Ayush Joshi, Jonathan Rowe,](https://reader035.vdocuments.mx/reader035/viewer/2022071020/5fd42cb662b93c03c145cc9d/html5/thumbnails/2.jpg)
The Baldwin Effect Hinders Self-Adaptation
Jim Smith • Two ways to improve final stage:
– Memetic algorithms – self-adaptation
• Interaction between Self-Adaptation and Baldwinian or Lamarckian learning
• Lamarckian learning helps Self-Adaptation, Baldwinian learning slows it down
Memetic algorithms, self-adaptation
S2.1
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A taxonomy of heterogeneity and dynamics in particle swarm optimisation
Harry Goldingay, Peter Lewis • Heterogeneity: Particles with
different behaviour • Dynamics: Particle behaviour
changes over time • Dynamics often more useful than
heterogeneity
PSO, Self-adaptation
S2.2
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An Immune-Inspired Algorithm for the Set Cover Problem
Ayush Joshi, Jonathan Rowe, Christine Zarges • Set cover with 2 objectives:
– min number of subsets – min number uncovered elements
• Parallel AIS based on germinal centre reaction in the immune system
• Comparison with GSEMO AIS, Parallelization, Set Cover
S2.3
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Factoradic Representation for Permutation Optimisation
Olivier Regnier-Coudert, John McCall • GA and 2 EDAs • 4 problems (TSP, Permutation
Flowshop Scheduling, Quadratic Assignment, Linear Ordering)
• Factoradic representation works well in particular for UMDA
EDA, permutation problems, representation
S2.4
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Inferring and Exploiting Problem Structure with Schema Grammar
Chris Cox and Richard Watson • A model-building algorithm that is
able to infer problem structure from fit individuals using generative grammar induction
• Correlation between the compressibility of a population and the degree of inherent problem structure
• Schemata inferred from the grammar can be exploited by an EA
• NK landscapes EDA, Grammars, landscape analysis
S2.5
![Page 7: Session 2 Overview - PPSN 2014ppsn2014.ijs.si/files/slides/ppsn2014-session2-branke.pdf · S2.2. An Immune-Inspired Algorithm for the Set Cover Problem Ayush Joshi, Jonathan Rowe,](https://reader035.vdocuments.mx/reader035/viewer/2022071020/5fd42cb662b93c03c145cc9d/html5/thumbnails/7.jpg)
Population Exploration on Genotype Networks in Genetic Programming
Ting Hu, Wolfgang Banzhaf, Jason Moore • Linear GP • neutral networks to characterize the
distribution of neutrality among genotypes and phenotypes
• Correlation of the network properties with robustness and evolvability
Genetic Programming, neutral networks, landscape analysis
S2.6
![Page 8: Session 2 Overview - PPSN 2014ppsn2014.ijs.si/files/slides/ppsn2014-session2-branke.pdf · S2.2. An Immune-Inspired Algorithm for the Set Cover Problem Ayush Joshi, Jonathan Rowe,](https://reader035.vdocuments.mx/reader035/viewer/2022071020/5fd42cb662b93c03c145cc9d/html5/thumbnails/8.jpg)
A Provably Asymptotically Fast Version of the Generalized Jensen Algorithm for Non-Dominated Sorting
Maxim Buzdalov, Anatoly Shalyto
• New non-dominated sorting algorithm with better worst-case complexity
EMO, algorithm complexity
S2.7
![Page 9: Session 2 Overview - PPSN 2014ppsn2014.ijs.si/files/slides/ppsn2014-session2-branke.pdf · S2.2. An Immune-Inspired Algorithm for the Set Cover Problem Ayush Joshi, Jonathan Rowe,](https://reader035.vdocuments.mx/reader035/viewer/2022071020/5fd42cb662b93c03c145cc9d/html5/thumbnails/9.jpg)
Local Optimal Sets and Bounded Archiving on Multi-objective NK-Landscapes with Correlated Objectives
Manuel López-Ibáñez, Arnaud Liefooghe, Sébastien Verel • Multi-objective NK-landscapes • Pareto Local Search • Analyse size of PLO-sets:
– increasing the number of objectives -> exponential increment
– decreasing the correlation between objectives -> exponential increment
– variable correlation -> minor effect • time to reach PLOs when bounded archiving methods
are used EMO, NK-landscapes, fitness landscape analysis, runtime analysis
S2.8
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Evolution-In-Materio: Solving Machine Learning Classification Problems Using Materials
Maktuba Mohid, Julian Miller, Simon Harding, Gunnar Tufte, Odd Rune Lykkebø, Kieran Massey, Mike Petty • EIM: solution is implemented and tested on
reconfigurable hardware • A mixture of single-walled carbon nanotubes
and a polymer • Exploit the properties of physical matter to
solve classification problems In-materio-evolution, in-the-loop evolution
S2.9
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Application of Evolutionary Methods to Semiconductor Double-Chirped Mirrors Design
Rafal Biedrzycki, Jaroslaw Arabas, Agata Jasik, Michal Szymanski2, Pawel Wnuk, Piotr Wasylczyk, Anna Wójcik-Jedlinska • Design a mirror to be used in a laser • Comparison of CMA-ES, DE, Nelder-
Mead, BFGS • Design is actually used
Real-world application, algorithm comparison
S2.10
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A Memetic Algorithm For Multi Layer Hierarchical Ring Network Design
Christian Schauer, Günther Raidl • large and reliable
telecommunication networks • decomposition into
– partitioning nodes into rings done by memetic algorithm
– computation of ring for each partition done by heuristic decoder
Representation, memetic algorithm, real-world application
S2.11
![Page 13: Session 2 Overview - PPSN 2014ppsn2014.ijs.si/files/slides/ppsn2014-session2-branke.pdf · S2.2. An Immune-Inspired Algorithm for the Set Cover Problem Ayush Joshi, Jonathan Rowe,](https://reader035.vdocuments.mx/reader035/viewer/2022071020/5fd42cb662b93c03c145cc9d/html5/thumbnails/13.jpg)
A Generalized Markov-Chain Modelling Approach to (1, λ)-ES Linear Optimization
Alexandre Chotard, Martin Holena • (1, λ)-ES with constant step size • linear problem with linear constraint • extension of previous work to non-
Gaussian mutation
Theory
S2.12
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Runtime Analysis of Evolutionary Algorithms on Randomly Constructed High-Density Satisfiable 3-CNF Formulas
Andrew Sutton, Frank Neumann • Proves that for almost all satisfiable
3-CNF formulas, a simple 1+1 EA will find a satisfying assignment in O(n2 log n) steps with high probability
Theory
S2.13
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Enjoy the session!