GECCO'11 Proceedings Table of Contents

Preface
Pier Luca Lanzi (Conference Chair)
Natalio Krasnogor (Editor-in-Chief)

A Word from the Chair of SIGEVO
Darrell Whitley (ACM SIGEVO Chair)

GECCO'11 Editors

ACM SIGEVO Officers and Executive Committee

GECCO'11 Conference Organizers

GECCO'11 Program Committee Members

GECCO'11 Proceedings Author Index

GECCO'11 Proceedings ACM Copyright & Permissions Information

	Track Name	Track Chair(s)
	Invited Talks
	Ant Colony Optimization and Swarm Intelligence	Andries Engelbrecht and David Pelta
	Artificial Life, Evolutionary Robotics and Evolvable Hardware	Carlos Gershenson and Giovanni Squillero
	Bioinformatics, Computational, Systems, and Synthetic Biology	Alex Freitas and Marylin Ritchie
	Digital Entertainment Technologies and Arts	Mike Preuss and Christian Gagné
	Evolutionary Combinatorial Optimization and Metaheuristics	Yew Soon Ong and Günther Raidl
	Estimation of Distribution Algorithms	José Lozano and Marcus Gallager
	Evolutionary Multiobjective Optimization	Carlos Coello-Coello and Dario Landa Silva
	Evolutionary Strategies and Evolutionary Programming	Nikolaus Hansen and Silja Meyer-Nienberg
	Generative and Developmental Systems	Jeff Clune and Greg Hornby
	Genetic Algorithms	Jim Smith and Gus Eiben
	Genetic Programming	Lee Spector and Tina Yu
	Genetics-Based Machine Learning	Ester Bernadó-Mansilla and Will Browne
	Parallel Evolutionary Systems	Man-Leung Wong and Pierre Collet
	Real World Applications	Steve Gustafson and Jean-Paul Watson
	Search Based Software Engineering	Moshe Sipper and Simon Poulding
	Self-* Search	Gabriela Ochoa and Marc Schoenauer
	Theory	Carsten Witt and Anne Auger

Genetic Programming Track Papers

A Genetic Programming Based Hyper-heuristic Approach for Combinatorial Optimisation (Page 1299)
Su Nguyen (Victoria University of Wellington)
Mengjie Zhang (Victoria University of Wellington)
Mark Johnston (Victoria University of Wellington)

Geometric Nelder-Mead Algorithm on the Space of Genetic Programs (Page 1307)
Alberto Moraglio (University of Kent)
Sara Silva (INESC-ID Lisboa and University of Coimbra)

Variance Based Selection to Improve Test Set Performance in Genetic Programming (Page 1315)
R. Muhammad Atif Azad (University of Limerick)
Conor Ryan (University of Limerick)

Genetic Programming with a Norm-referenced Fitness Function (Page 1323)
Geng Li (University of Manchester)
Xiao-Jun Zeng (University of Manchester)

Evolving Ensembles in Multi-objective Genetic Programming for Classification with Unbalanced Data (Page 1331)
Urvesh Bhowan (Victoria University of Wellington)
Mark Johnston (Victoria University of Wellington)
Mengjie Zhang (Victoria University of Wellington)

A Gaussian Groundplan Projection Area Model for Evolving Probabilistic Classifiers (Page 1339)
Theodoros Theodoridis (University of Essex)
Alexandros Agapitos (University College Dublin)
Huosheng Hu (University of Essex)

Drawing Boundaries: Using Individual Evolved Class Boundaries for Binary Classification Problems (Page 1347)
Jeannie Fitzgerald (University of Limerick)
Conor Ryan (University of Limerick)

Predicting Problem Difficulty for Genetic Programming Applied to Data Classification (Page 1355)
Leonardo Trujillo (Instituto Tecnológico de Tijuana)
Yuliana Martínez (Instituto Tecnológico de Tijuana)
Edgar Galván-López (University of Essex)
Pierrick Legrand (Université Victor Segalen Bordeaux 2)

Examining the Landscape of Semantic Similarity Based Mutation (Page 1363)
Nguyen Quang Uy (University College Dublin)
Nguyen Xuan Hoai (Hanoi University)
Michael O'Neill (University College Dublin)

Mutation as a Diversity Enhancing Mechanism in Genetic Programming (Page 1371)
David Jackson (University of Liverpool)

Semantically Embedded Genetic Programming: Automated Design of Abstract Program Representations (Page 1379)
Krzysztof Krawiec (Poznan University of Technology)

A Comparison of GE and TAGE in Dynamic Environments (Page 1387)
Eoin Murphy (University College Dublin)
Michael O'Neill (University College Dublin)
Anthony Brabazon (University College Dublin)

Reassembling Operator Equalisation - A Secret Revealed (Page 1395)
Sara Silva (INESC-ID Lisboa & University of Coimbra)

Rethinking Multilevel Selection in Genetic Programming (Page 1403)
Shelly X. Wu (Memorial University of Newfoundland)
Wolfgang Banzhaf (Memorial University of Newfoundland)

A Non-Destructive Grammar Modification Approach to Modularity in Grammatical Evolution (Page 1411)
John Mark Swafford (University College Dublin)
Erik Hemberg (University College Dublin)
Michael O'Neill (University College Dublin)
Miguel Nicolau (University College Dublin)
Anthony Brabazon (University College Dublin)

Tag-Based Modules in Genetic Programming (Page 1419)
Lee Spector (Hampshire College)
Brian Martin (Hampshire College)
Kyle Harrington (Brandeis University)
Thomas Helmuth (University of Massachusetts)

Evolving Patches for Software Repair (Page 1427)
Thomas Ackling (University of Adelaide)
Bradley Alexander (University of Adelaide)
Ian Grunert (Atlassian Pty Ltd)

Morphological Image Enhancement Procedure Design by Using Genetic Programming (Page 1435)
Jun Wang (Peking University)
Ying Tan (Peking University)

Co-Evolving Robocode Tanks (Page 1443)
Robin Harper (None)

Evolving a Robust Trader in a Cyclic Double Auction Market (Page 1451)
Peter A. Whigham (Otago University)
Rasika Withanawasam (Otago University)

Structural Difficulty in Estimation of Distribution Genetic Programming (Page 1459)
Kangil Kim (Seoul National University)
Min Hyeok Kim (Seoul National University)
Bob McKay (Seoul National University)

The K Landscapes: A Tunably Difficult Benchmark for Genetic Programming (Page 1467)
Leonardo Vanneschi (University of Milano-Bicocca)
Mauro Castelli (University of Milano-Bicocca)
Luca Manzoni (University of Milano-Bicocca)