
Parallel Problem Solving from Nature - PPSN XV
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This two-volume set LNCS 11101 and 11102 constitutes the refereed proceedings of the 15th International Conference on Parallel Problem Solving from Nature, PPSN 2018, held in Coimbra, Portugal, in September 2018.
The 79 revised full papers were carefully reviewed and selected from 205 submissions. The papers cover a wide range of topics in natural computing including evolutionary computation, artificial neural networks, artificial life, swarm intelligence, artificial immune systems, self-organizing systems, emergent behavior, molecular computing, evolutionary robotics, evolvable hardware, parallel implementations and applications to real-world problems. The papers are organized in the following topical sections: numerical optimization; combinatorial optimization; genetic programming; multi-objective optimization; parallel and distributed frameworks; runtime analysis and approximation results; fitness landscape modeling and analysis; algorithm configuration, selection, and benchmarking; machine learning and evolutionary algorithms; and applications. Also included are the descriptions of 23 tutorials and 6 workshops which took place in the framework of PPSN XV.
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Content
- Intro
- Preface
- Organization
- Invited Talks
- The Shape of Art History in the Eyes of the Machine
- Self-organization, Emergence and Stigmergy: Coordination from the Bottom-up
- On Physarum Computations
- Contents - Part I
- Contents - Part II
- Numerical Optimization
- A Comparative Study of Large-Scale Variants of CMA-ES
- 1 Introduction
- 2 The bbob-Largescale COCO Testbed
- 3 The CMA-ES Algorithm and Some Large-Scale Variants
- 3.1 The (/w, )-CMA-ES
- 3.2 Large-Scale Variants of CMA-ES
- 4 Experimental Results
- 5 Discussion and Conclusion
- References
- Design of a Surrogate Model Assisted (1+1)-ES
- 1 Introduction
- 2 Related Work
- 3 Analysis
- 4 Step Size Adaptation and Experiments
- 5 Conclusions
- References
- Generalized Self-adapting Particle Swarm Optimization Algorithm
- 1 Introduction
- 2 Particle Swarm Optimization: Modification and Hybridization Approaches
- 3 Generalized Particle Swarm Optimization
- 4 Adaptation Scheme
- 5 Experiment Setup
- 6 Results
- 7 Conclusions and Future Work
- References
- PSO-Based Search Rules for Aerial Swarms Against Unexplored Vector Fields via Genetic Programming
- 1 Introduction
- 2 Background
- 3 Semantics for VFPS Evolution in EDDA
- 4 Experimental Study
- 5 Evolved VFPS
- 6 Analysis and Discussion of the Evolved VFPS
- 7 Conclusions and Future Work
- References
- Towards an Adaptive CMA-ES Configurator
- 1 Introduction
- 2 Modular CMA-ES
- 3 Data Processing
- 3.1 Generation and Pre-processing of the Data
- 3.2 Constructing Optimal Adaptive Configurations
- 3.3 Discarding Partially Successful Configurations
- 4 Results
- 4.1 Maximally Adaptive
- 4.2 Single Split
- 4.3 Discussion
- 5 Conclusion and Future Work
- References
- Combinatorial Optimization
- A Probabilistic Tree-Based Representation for Non-convex Minimum Cost Flow Problems
- 1 Introduction
- 2 Preliminaries
- 2.1 Priority-Based Representation
- 3 Proposed Method
- 3.1 Probabilistic Tree-Based Representation
- 3.2 Genetic Algorithm with PTbR
- 4 Experimental Studies
- 4.1 Parameter Settings
- 4.2 Results and Analysis
- 5 Conclusion
- References
- Comparative Study of Different Memetic Algorithm Configurations for the Cyclic Bandwidth Sum Problem
- 1 Introduction
- 2 Memetic Algorithms for the CBSP
- 2.1 Solution Encoding and Initialization
- 2.2 Selection
- 2.3 Crossover
- 2.4 Mutation
- 2.5 Inversion
- 2.6 Survival Strategy
- 2.7 Local Search
- 3 Experimental Results
- 4 Conclusions and Future Work
- References
- Efficient Recombination in the Lin-Kernighan-Helsgaun Traveling Salesman Heuristic
- 1 Introduction
- 2 LKH Algorithm
- 3 Partition Crossover
- 3.1 IPT
- 3.2 GPX2
- 4 Results
- 5 Conclusions
- References
- Escherization with a Distance Function Focusing on the Similarity of Local Structure
- 1 Introduction
- 2 Related Work
- 2.1 Isohedral Tilings
- 2.2 Koizumi and Sugiharas's Formulation and Its Extension
- 2.3 The Weighted Normal Distance
- 3 Proposed Method
- 3.1 The Proposed Similarity Measure
- 3.2 The Extended Koizumi and Sugihara's Formulation with the AD Distance
- 3.3 A Tabu Search Algorithm
- 4 Experimental Results
- 5 Conclusion
- References
- Evolutionary Search of Binary Orthogonal Arrays
- 1 Introduction
- 2 Basic Definitions
- 3 Specification of GA and GP
- 3.1 Solutions Encoding
- 3.2 Fitness Function
- 3.3 Variation Operators
- 4 Analysis of the Search Space
- 5 Experiments
- 5.1 Problem Instances
- 5.2 Evolutionary Algorithms Parameters
- 5.3 Results
- 6 Conclusions and Perspectives
- References
- Heavy-Tailed Mutation Operators in Single-Objective Combinatorial Optimization
- 1 Introduction
- 2 Algorithms and Setting
- 2.1 The (1+1) Evolutionary Algorithm and Mutation Rates
- 2.2 Non-uniform Mutation Rates
- 3 Artificial Landscapes
- 3.1 General Bounds and the OneMax Function
- 3.2 A Comparison with Static Uniform Mutations
- 4 An Application to the Minimum Vertex Cover Problem
- 5 Maximizing Submodular Functions
- 5.1 A General Upper-Bound
- 5.2 An Application to the Maximum Directed Cut Problem
- 5.3 Experiments on Large Real Graphs
- 6 Discussion
- References
- Heuristics in Permutation GOMEA for Solving the Permutation Flowshop Scheduling Problem
- 1 Introduction
- 2 Permutation GOMEA
- 2.1 Solution and Model Encoding
- 2.2 Model Building
- 2.3 Optimal Mixing
- 2.4 Population Sizing Scheme
- 3 Permutation Flowshop Scheduling Benchmark
- 3.1 Problem Instances
- 3.2 Comparing Results
- 4 Heuristics for the PFSP
- 4.1 Constructive Heuristics
- 4.2 Constructive Heuristics Seeding: Results
- 4.3 Improvement Heuristics
- 5 Permutation GOMEA vs. VNS4 Iterated Local Search
- 6 Conclusions
- References
- On the Performance of Baseline Evolutionary Algorithms on the Dynamic Knapsack Problem
- 1 Introduction
- 2 Preliminaries
- 2.1 Problem Definition
- 2.2 Algorithms
- 3 Benchmarking for the Dynamic Knapsack Problem
- 3.1 The Dynamic Knapsack Problem
- 3.2 Benchmark and Experimental Setting
- 4 Experimental Results
- 4.1 Dynamic Uniform Constraint
- 4.2 Dynamic Linear Constraint
- 5 Conclusions and Future Work
- References
- On the Synthesis of Perturbative Heuristics for Multiple Combinatorial Optimisation Domains
- 1 Introduction
- 2 Background
- 3 Method
- 3.1 Grammatical Evolution
- 3.2 Grammar and Mechanics of the Operator
- 3.3 Problem Domains and Training Examples
- 4 Experiments
- 5 Results and Analysis
- 6 Conclusions
- References
- Genetic Programming
- EDDA-V2 - An Improvement of the Evolutionary Demes Despeciation Algorithm
- 1 Introduction
- 2 Geometric Semantic Genetic Programming
- 3 Evolutionary Demes Despeciation Algorithm
- 4 Experimental Study
- 4.1 Test Problems
- 4.2 Experimental Settings
- 5 Results
- 6 Conclusions
- References
- Extending Program Synthesis Grammars for Grammar-Guided Genetic Programming
- 1 Introduction
- 2 Related Work
- 2.1 Grammar-Guided Genetic Programming
- 3 General Program Synthesis Benchmark Suite Remarks
- 4 Extending Program Synthesis Grammars
- 4.1 Data Type Char
- 4.2 Recursion
- 4.3 List Operations
- 4.4 Additional Methods
- 5 Experimental Setup
- 6 Results
- 6.1 Successful Solutions
- 6.2 Char Analysis
- 6.3 Recursion Analysis
- 7 Conclusion and Future Work
- References
- Filtering Outliers in One Step with Genetic Programming
- 1 Introduction
- 2 Background
- 2.1 Outliers
- 2.2 Robust Regression
- 3 Outlier Removal with Genetic Programming
- 3.1 Proposed Algorithm
- 3.2 Discussion
- 3.3 Related Works in GP
- 4 Experimental Evaluation
- 4.1 Experimental Setup
- 4.2 Results
- 5 Conclusions and Future Work
- References
- GOMGE: Gene-Pool Optimal Mixing on Grammatical Evolution
- 1 Introduction
- 2 Related Works
- 3 Grammatical Evolution
- 3.1 GOMGE: Gene-Pool Optimal Mixing EA for GE
- 4 Experimental Evaluation
- 5 Concluding Remarks
- References
- Self-adaptive Crossover in Genetic Programming: The Case of the Tartarus Problem
- 1 Introduction
- 2 Parameter Modification Approaches
- 3 The Tartarus Problem
- 3.1 Improved State Evaluation
- 4 Self-adaptive Crossover Operator
- 5 Conclusion
- References
- Multi-objective Optimization
- A Decomposition-Based Evolutionary Algorithm for Multi-modal Multi-objective Optimization
- 1 Introduction
- 2 Proposed MOEA/D-AD
- 3 Experimental Settings
- 4 Experimental Results
- 4.1 Performance Comparison
- 4.2 Analysis of MOEA/D-AD
- 5 Conclusion
- References
- A Double-Niched Evolutionary Algorithm and Its Behavior on Polygon-Based Problems
- 1 Introduction
- 2 Related Works
- 2.1 Multi-modal Multi-objective Optimization Problems
- 2.2 Diversity Maintenance in the Objective and Decision Spaces
- 3 A Double-Niched Evolutionary Algorithm
- 4 Experiments
- 4.1 Polygon-Based Problems
- 4.2 Competing Algorithms and Parameter Settings
- 4.3 Results and Discussions
- 5 Conclusions
- References
- Artificial Decision Maker Driven by PSO: An Approach for Testing Reference Point Based Interactive Methods
- 1 Introduction
- 2 Background
- 3 Artificial Decision Maker Driven by PSO
- 4 Experimental Results
- 5 Conclusions and Future Work
- References
- A Simple Indicator Based Evolutionary Algorithm for Set-Based Minmax Robustness
- 1 Introduction and Background
- 2 Preliminaries
- 3 The SIBEA-R Method
- 4 Numerical Results
- 5 Conclusions
- References
- Extending the Speed-Constrained Multi-objective PSO (SMPSO) with Reference Point Based Preference Articulation
- 1 Introduction
- 2 Background
- 3 Algorithm Proposal
- 4 Experimental Setup
- 5 Results and Discussion
- 6 Use Case
- 7 Conclusions and Future Research Lines
- References
- Improving 1by1EA to Handle Various Shapes of Pareto Fronts
- 1 Introduction
- 2 Preliminaries
- 2.1 A Brief Introduction to 1by1EA
- 2.2 Motivation
- 3 1by1EA-II
- 4 Experiments and Discussions
- 5 Conclusions
- References
- New Initialisation Techniques for Multi-objective Local Search
- 1 Introduction
- 2 Background
- 2.1 Scalarisation-Based Local Search (SBLS)
- 2.2 Bi-objective Permutation Flowshop Scheduling
- 3 Archive-Aware SBLS Strategies
- 4 New SBLS Strategies: ChangeRestart, ChangeDirection
- 4.1 ChangeRestart
- 4.2 ChangeDirection
- 5 Experimental Setup
- 6 Experimental Results
- 6.1 Known SBLS Strategies vs. Their Archive-Aware Variants
- 6.2 Performance of the Two New SBLS Strategies
- 6.3 Analysis of Parameters Nscalar and Nsteps
- 7 Conclusion
- References
- Towards a More General Many-objective Evolutionary Optimizer
- 1 Introduction
- 2 Previous Related Work
- 3 Our Proposed Approach
- 3.1 Fast IGD+ Contribution
- 3.2 IGD+-MaOEA
- 4 Experimental Results
- 4.1 Parameters Settings
- 4.2 Comparison with MaOEAs Based on Convex Weight Vectors
- 4.3 Comparison with SMS-EMOA
- 5 Conclusions and Future Work
- References
- Towards Large-Scale Multiobjective Optimisation with a Hybrid Algorithm for Non-dominated Sorting
- 1 Introduction
- 1.1 Non-dominated Sorting: Definition and Algorithms
- 1.2 Our Motivation and Contribution
- 2 Preliminaries: The Algorithms to Hybridise
- 2.1 The Divide-and-Conquer Algorithm
- 2.2 The ENS-NDT Algorithm
- 3 The Proposed Algorithms
- 3.1 Loss of Monotonicity in HelperB
- 3.2 The ENS-NDT-ONE Algorithm
- 3.3 The Hybrid Algorithm
- 4 Experiments and Discussion
- 5 Conclusion
- References
- Tree-Structured Decomposition and Adaptation in MOEA/D
- 1 Introduction
- 2 The Proposed Method
- 2.1 Algorithm Framework
- 2.2 Domain Decomposition
- 2.3 Domain Adaptation
- 3 Subdomain Measurement
- 4 External Population
- 5 Comparison Study
- 6 Conclusions
- References
- Use of Reference Point Sets in a Decomposition-Based Multi-Objective Evolutionary Algorithm
- 1 Introduction
- 2 Basic Concepts
- 3 Our Proposed Approach
- 3.1 General Framework
- 3.2 Archiving Process
- 3.3 Reference Set
- 4 Experimental Results
- 4.1 Methodology
- 4.2 Parameterization
- 4.3 Discussion of Results
- 5 Conclusions and Future Work
- References
- Use of Two Reference Points in Hypervolume-Based Evolutionary Multiobjective Optimization Algorithms
- Abstract
- 1 Introduction
- 2 Empirical Discussions on Reference Point Specification
- 3 Proposed Idea and Its Simple Implementation
- 4 Experimental Results by the Proposed Idea
- 5 Conclusions
- Acknowledgments
- References
- Parallel and Distributed Frameworks
- Introducing an Event-Based Architecture for Concurrent and Distributed Evolutionary Algorithms
- 1 Introduction
- 2 State of the Art
- 3 Event-Based Architectures and Implementing Evolutionary Algorithms over Them
- 4 Experiments and Results
- 5 Conclusions
- References
- Analyzing Resilience to Computational Glitches in Island-Based Evolutionary Algorithms
- 1 Introduction
- 2 Methodology
- 3 Experimentation
- 4 Conclusions
- References
- Spark Clustering Computing Platform Based Parallel Particle Swarm Optimizers for Computationally Expensive Global Optimization
- Abstract
- 1 Introduction
- 2 Review
- 3 Spark-Based Parallel PSOs
- 3.1 Comparing Spark with Other Parallel Computing Technologies
- 3.2 Amdahl's Law for the Master-Slave Model
- 3.3 Spark-Based PEAs Framework for the Master-Slave Model
- 4 Numerical Experiments
- 4.1 The Spark Clustering Computing Platform
- 4.2 Analyses of Continuous Benchmark Functions
- 4.3 Comparisons on Computationally Expensive Functions
- 4.4 Comparisons on Functions with Linear Time Complexity
- 5 Conclusions and Future Research Directions
- Acknowledgements
- References
- Weaving of Metaheuristics with Cooperative Parallelism
- 1 Introduction
- 2 The PHYSH Framework
- 3 PHYSH10: A Prototype Implementation
- 4 Experimental Evaluation
- 4.1 Evaluation of PHYSH-QAP on QAPLIB
- 4.2 Evaluation of PHYSH-QAP on Harder Instances
- 5 Conclusion and Future Directions
- References
- Applications
- Conditional Preference Learning for Personalized and Context-Aware Journey Planning
- 1 Introduction
- 2 Background on CP-Net
- 3 Multimodal Journey Planning Tool
- 3.1 Journey Plan Attributes
- 3.2 Contextual Attributes
- 4 Algorithms' Evaluation
- 4.1 Experimental Setup
- 4.2 Result Analysis
- 5 Conclusions
- References
- Critical Fractile Optimization Method Using Truncated Halton Sequence with Application to SAW Filter Design
- 1 Introduction
- 2 Background and Problem Formulation
- 3 Approximation of CDF
- 3.1 Empirical CDF (ECDF)
- 3.2 Weighted Empirical CDF (W_ECDF)
- 3.3 Truncated Halton Sequence (THS)
- 4 Critical Fractile Optimization Method
- 4.1 Differential Evolution with Sample Saving Technique
- 4.2 Verification of Solution Using Monte Carlo Simulation
- 5 Numerical Experiment on Test Problem
- 5.1 Test Problem of CCP
- 5.2 Comparison Between JADEP and JADE
- 6 Application to SAW Filter Design
- 6.1 Structure and Mechanism of SAW Filer
- 6.2 Design of SAW Filer Under Uncertainty
- 6.3 Result of Experiment and Discussion
- 7 Conclusion
- References
- Directed Locomotion for Modular Robots with Evolvable Morphologies
- 1 Introduction
- 2 Related Work
- 3 Experimental Set-Up
- 3.1 Robots
- 3.2 Controllers
- 3.3 Experimental Parameters
- 4 Fitness Function
- 5 Experimental Results
- 6 Concluding Remarks
- References
- Optimisation and Illumination of a Real-World Workforce Scheduling and Routing Application (WSRP) via Map-Elites
- 1 Introduction
- 2 Previous Work
- 3 Methodology
- 3.1 The MAP-Elites Algorithm
- 3.2 The Evolutionary Algorithm
- 3.3 Problem Instances
- 3.4 Experimental Parameters
- 4 Results
- 4.1 Coverage and Precision
- 4.2 Gaining Insight into the Problem Domain
- 5 Conclusions
- References
- Prototype Discovery Using Quality-Diversity
- 1 Introduction
- 2 Related Work
- 2.1 Quality-Diversity and Surrogate Assistance
- 2.2 Dimensionality Reduction
- 3 Prototype Discovery Using Quality-Diversity
- 4 Evaluation
- 5 Conclusion
- References
- Sparse Incomplete LU-Decomposition for Wave Farm Designs Under Realistic Conditions
- 1 Introduction
- 2 Preliminaries
- 2.1 Objectives
- 2.2 Problem Complexity
- 3 Computational Speed-Ups and Constraint Handling
- 4 Experimental Study
- 5 Discussion
- 6 Conclusions
- References
- Understanding Climate-Vegetation Interactions in Global Rainforests Through a GP-Tree Analysis
- 1 Introduction
- 2 Related Work
- 3 Modeling Framework
- 3.1 Symbolic Regression
- 3.2 Regression Trees
- 3.3 GP-Tree
- 4 Data and Computation
- 5 Results Analysis
- 6 Conclusion
- References
- Author Index
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