some publications (since 1999)

T. White, J. Fan, F. Oppacher, 'Basic Object Oriented Genetic Programming', IEA/AIE 2011, Syracuse, N. Y., 2011.

L. Graham, F. Oppacher, 'Preadaptation in Evolutionary Algorithms', Journal of Artificial Evolution and Applications, JAEA, submitted 2009.

Y. Oppacher, F. Oppacher, D. Deugo, 'Evolving Java Objects Using A Grammar-Based Approach', GECCO 2009, Montreal, Canada, 2009.

L. Graham, R. Cattral, F. Oppacher, 'Beneficial Preadaptation in the Evolution of a 2D Agent Control System with Genetic Programming', EuroGP2009, EVO* 2009, Tübingen, Germany, 2009.

L. Graham, R. Cattral, F. Oppacher, 'The Effect of Preadaptation Epoch Length on Performance in an Exaptive Genetic Algorithm ', 2009 IEEE Congress on Evolutionary Computation, (IEEE CEC-09), Trondheim, Norway, 2009.

R. Cattral, L. Graham, F. Oppacher, 'Techniques for Evolutionary Rule Discovery in the Data Mining Process', 2009 IEEE Congress on Evolutionary Computation, (IEEE CEC-09), Trondheim, Norway, 2009.

Y. Oppacher, F. Oppacher, D. Deugo, 'Creating Objects Using Genetic Programming Techniques', 10th ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD 2009), Daegu, Korea, 2009.

A. Lukas, F. Oppacher, ‘Co-Evolutionary Automatically Defined Functions in Genetic Programming’, CADF WSEAS 2009, Cambridge, UK, 2009.

L. Graham, F. Oppacher,  'A Multiple-Function Toy Model of Exaptation in a Genetic Algorithm', 2007 IEEE Congress on Evolutionary Computation, CEC-07, Singapore, 2007.

L. Graham, F. Oppacher, S. Christensen,  'Irreducible Complexity in a Genetic Algorithm', 2007 IEEE Congress on Evolutionary Computation, CEC-07, Singapore, 2007.

R. Cattral, F. Oppacher,  'Evolutionary Data Mining: Classifying Poker Hands', 2007 IEEE Congress on Evolutionary Computation, CEC-07, Singapore, 2007.

R. Cattral, F. Oppacher,  Discovering Rules in the Poker Hand Dataset, GECCO 2007, London, 2007.

L. Graham, F. Oppacher, 'Speciation through Exaptation', 2007 IEEE Symposium on Artificial Life, ALIFE07, Hawaii, 2007.

L. Graham, F. Oppacher, 'A Simple Genetic Algorithm for Reducible Complexity, GECCO 2007, London, 2007.

S. Christensen, F. Oppacher, 'Solving the Artificial Ant on the Santa Fe Trail Problem in 20,696 Fitness Evaluations', GECCO 2007, London, 2007.

L. Graham, F. Oppacher, 'Symmetric Comparator Pairs in the Initialization of Genetic Algorithm Populations for Sorting Networks', Congress on Evolutionary Computation, CEC-06 and IEEE World Congress on Computational Intelligence, WCCI 2006, Vancouver, Canada, 2006.

S. Christensen, F. Oppacher, 'The Y-Test: Fairly Comparing Groups with Differing Effort', Congress on Evolutionary Computation, CEC-06 and IEEE World Congress on Computational Intelligence, WCCI 2006, Vancouver, Canada, 2006.

L. Graham, F. Oppacher, 'Test Case Quality Measures in the Optimization of a Genetic Algorithm for Sorting Networks', ICAI-06, Las Vegas, USA., 2006.

Y. Oppacher, F. Oppacher, D. Deugo, 'Using Coherence Theory to Resolve Inconsistencies', International Conference on Information and Knowledge Engineering, IKE'05, pp. 313-319, Las Vegas, Nevada, 2005.

A. Tulai, F. Oppacher, G. Carmody, 'A Genetics-Based System for Genetic and General Data Classification', Second Int. Conference on Computational Intelligence in Medicine and Healthcare, CIMED-2005, Lisbon, Portugal, 2005.

L. Graham, H. Masum, F. Oppacher, 'Statistical Analysis of Heuristics for Evolving Sorting Networks', GECCO-05, Genetic and Evolutionary Computation Conference 2005, Washington, DC, 2005.

A. Vardy, F. Oppacher,' A scale invariant local image descriptor for visual homing ', in G. Palm and S. Wermter, eds, Biomimetic Neural Learning for Intelligent Robots, Springer, 2005.

M. Pilat, F. Oppacher, 'Evolution of Khepera Robotic Controllers with Hierarchical Genetic Programming Techniques', in N. Nedjah, L. de Macedo Mourelle, eds., Evolvable Machines: Theory and Practice, Springer Engineering Book Series, vol. 161, Springer, New York, 2005.

L. Graham, F. Oppacher, 'Modeling Complex Adaptive Systems with John Holland's ECHO', Complexity Journal, submitted 2005.

Y. Oppacher, F. Oppacher, D. Deugo, 'Drawing Reasonable Inferences from Inconsistent Premises', International Conference on Computational Intelligence for Modelling, Control, and Automation, CIMCA 2005, Vienna, Austria, 2005.

A. Tulai, F. Oppacher, G. Carmody, 'A Genetics-Based System for Genetic and General Data Classification', Second Int. Conference on Computational Intelligence in Medicine and Healthcare, CIMED-2005, Lisbon, Portugal, 2005.

L. Graham, H. Masum, F. Oppacher, 'Statistical Analysis of Heuristics for Evolving Sorting Networks', GECCO-05, Genetic and Evolutionary Computation Conference 2005, Washington, DC, 2005.

A. Tulai, F. Oppacher, 'Multiple Species Universal Voting: an Evolutionary Algorithm for Supervised Learning', BeneLearn 04, Proceedings of the Annual Machine Learning Conference of Belgium and the Netherlands, pp. 118-125, Brussels, Belgium, 2004.

A. Tulai, F. Oppacher, 'Maintaining Diversity and Increasing the Accuracy of Classification Rules through Automatic Speciation', Congress on Evolutionary Computation, CEC-04, pp. 2241-2248, Portland, Oregon, 2004.

A. Vardy, F. Oppacher, 'A scale invariant neural feature detector for visual homing', in G. Palm and S. Wermter, eds, Proceedings of the Workshop on Neurobotics, German Conference on Artificial Intelligence, Ulm, 2004.

A. Tulai, F. Oppacher, 'Multiple Species Weighted Voting - a Genetic-Based Machine Learning System', GECCO-04, Genetic and Evolutionary Computation Conference 2004, pp. 1263-1274, Seattle, Morgan Kaufmann Publishers, 2004.

M. Pilat, F. Oppacher, 'Robotic Control Using Hierarchical Genetic Programming', GECCO-04, Genetic and Evolutionary Computation Conference 2004, Portland, Or, 2004.

A. Vardy, F. Oppacher, 'Anatomy and physiology of an artificial vision matrix', in A.J. Ijspreet, M. Murata, N. Wakamiya, eds, Biologically Inspired Approaches to Advanced Information Technology: First International Workshop, BioADIT 2004, Lecture Notes in Computer Science, vol. 3141, pp 290-305, Springer, 2004.

A. Tulai, F. Oppacher, 'The Role of Speciation in Classification Tasks',  Artificial Intelligence Applications, AIA2004, Innsbruck, Austria, 2004.

H. Masum, S. Christensen, F. Oppacher, 'The Turing Ratio: A Framework for Open-Ended Task Metrics', Journal of Evolution and Technology, Volume 13, No. 2, 2003.

S. Christensen, F. Oppacher, 'The No Free Lunch Theorem Places a Negligible Constraint on Algorithm Performance, And Does not Apply to Non-Fractal Real-Valued Problems',  Journal of Evolutionary Computation, submitted, 2003.

F. Oppacher, M. Wineberg, 'The Shifting Balance Genetic Algorithm: Improving the Genetic Algorithm in Highly Multimodal and Dynamic Environments', IEEE Transactions on Evolutionary Computation, submitted, 2003.

L. Graham, F. Oppacher, 'Trying to Evolve Sorting Networks in Echo', Congress on Evolutionary Computation, CEC-03, Canberra, Australia, 2003.

F. Oppacher, M. Wineberg, 'The Underlying Similarity of Diversity Measures Used in Evolutionary Computation', GECCO-03, Genetic and Evolutionary Computation Conference 2003, pp. 1493-1504, Chicago, 2003.

M. Wineberg, F. Oppacher, 'Distance between Populations', GECCO-03, Genetic and Evolutionary Computation Conference 2003, pp. 1481-1492, Chicago, 2003.

M. Wineberg, F. Oppacher, 'Metrics for Population Comparisons in Evolutionary Computation Systems', ISC 2003, Intelligent Systems and Control 2003, Salzburg, Austria, 2003. 

F. Oppacher, M. Wineberg, 'A Linear Time Algorithm for Determining Population Diversity in Evolutionary Computation', ISC 2003, Intelligent Systems and Control 2003, Salzburg, Austria, 2003.

L. Graham, F. Oppacher, 'CAS Phenomena and Evolutionary Activity in Holland's ECHO', ISC 2003, Intelligent Systems and Control 2003, Salzburg, Austria, 2003.

A. Vardy, F. Oppacher, 'Low-level Visual Homing', in: W. Banzhaf, T. Christaller, P. Dittrich, J.T. Kim, J. Ziegler, (eds.) Advances in Artificial Life - Proceedings of the 7th European Conference on Artificial Life, ECAL03, pp. 875-884, Springer Verlag Berlin, Heidelberg, 2003.

'An Analysis of Koza's Computational Effort Statistic for Genetic Programming', S. Christensen, F. Oppacher, in J.A.Foster, E. Lutton, J. Miller, C. Ryan, A. Tettamanzi, eds., Genetic Programming - EuroGP 2002, pp.182-191, Springer, Berlin, 2002.

'Distributed Deadlock Detection in Mobile Agent Systems', B. Ashfield, D. Deugo, F. Oppacher, T. White, in T. Hendtlass, M. Ali, eds. Developments in Applied Artificial Intelligence, Lecture Notes in Artificial Intelligence, pp.146-156, Springer, Berlin, Heidelberg, 2002.

H. Masum, S. Christensen, F. Oppacher, 'The Turing Ratio: Metrics for Open-Ended Tasks', GECCO-02, Genetic and Evolutionary Computation Conference 2002, pp.973-980, New York, 2002.

R. Catrall, F. Oppacher, 'Evolutionary Data Mining with Automatic Rule Generalization', Recent Advances in Computers, Computing and Communications, pp.296-300, WSEAS Press, 2002.

A. Tulai, F. Oppacher, 'Combining Competitive and Cooperative Coevolution for Training Cascade Neural Networks', GECCO-02, Genetic and Evolutionary Computation Conference 2002, pp.618-625, New York, 2002.

S. Christensen, F. Oppacher, 'What can we learn from No Free Lunch? A First Attempt to Characterize the Concept of a Searchable Function', GECCO-01, Genetic and Evolutionary Computation Conference 2001, pp.1219-1234, San Francisco, Ca, 2001.

R. Cattral, F. Oppacher, 'Data Mining with a Genetic Relational Learning Algorithm', Int. Conference on Systemics, Cybernetics and Informatics, SCI 2001 / ISAS 2001, pp.763-772, Orlando, Fla., 2001.

R. Cattral, F. Oppacher, D. Deugo, 'Supervised and Unsupervised Data Mining with an Evolutionary Algorithm', CEC'2001, Congress on Evolutionary Computation 2001, pp.767-774, Seoul, Korea, 2001.

H. Masum, F. Oppacher, 'Regulatory Genomic Algorithms: Using Embryogenesis and Regulatory Networks to Enhance Evolutionary Computation', Int. Conference on Systemics, Cybernetics and Informatics, SCI 2001 / ISAS 2001, Orlando, Fla., 2001.

'A Modified Genetic Algorithm for Supervised and Unsupervised Data Mining', R. Cattrall, F. Oppacher, D. Deugo, in M. H. Hamza, ed., Applied Informatics, 5-10, Acta Press, Zurich, 2001.

M. Leus, D. Deugo, F. Oppacher, R. Cattrall, 'GAs and Financial Analysis', IEA/AIE-2001, Budapest, Hungary, 2001.

F. Oppacher, M. Wineberg, 'Reconstructing the Shifting Balance Theory in a Genetic Algorithm: Taking Sewall Wright Seriously', CEC'2000, Congress on Evolutionary Computation 2000, pp.219-226, San Diego, Ca, 2000.

H. Masum, F. Oppacher, G. Carmody, 'Genomic Algorithms: Metaphors from Molecular Genetics', GECCO-00, Genetic and Evolutionary Computation Conference 2000, Workshop on Gene Expression, pp. 173-178, Las Vegas, Nevada, 2000.

M.Wineberg , F. Oppacher, 'Enhancing the GAs Ability to Cope with Dynamic Environments', in D. Whitley, D. Goldberg, E. Cantu-Paz, L. Spector, I. Parmee, H-G. Beyer (eds). GECCO-00, Genetic and Evolutionary Computation Conference 2000, pp. 3-10, Las Vegas, Nevada, 2000.

F. Oppacher, M. Wineberg, 'The Shifting Balance Genetic Algorithm: Improving the GA in a Dynamic Environment', in Banzhaf, W., Daida, J., Eiben, A. E., Garzon, M. H., Honavar, V., Jakiela, M., & Smith, R. E. (eds.).  GECCO-99: Proceedings of the Genetic and Evolutionary Computation Conference, July 13-17, 1999, Orlando, Florida, USA. San Francisco, CA: Morgan Kaufmann, 1999.

F. Oppacher, M. Wineberg, 'Modifying the Genetic Algorithm to Improve Behavior in Tracking a Moving Optimum', in H. R. Arabnia (ed.). International Conference on Artificial Intelligence, IC-AI '99, CSREA Press, pp. 77-83, Las Vegas, Nevada, 1999.

R. Cattrall, F. Oppacher, D. Deugo, 'Rule Acquisition with a Genetic Algorithm', in Banzhaf, W., Daida, J., Eiben, A. E., Garzon, M. H., Honavar, V., Jakiela, M., & Smith, R. E. (eds.).  GECCO-99: Proceedings of the Genetic and Evolutionary Computation Conference, July 13-17, 1999, Orlando, Florida USA. San Francisco, CA: Morgan Kaufmann, 1999.

R. Cattrall, F. Oppacher, D. Deugo, 'Rule Acquisition with a Genetic Algorithm', in Angeline, P. (et al.) (eds.).  CEC-99: Congress on Evolutionary Computation, 1999, Washington DC. San Francisco, CA: Morgan Kaufmann, 1999.

'Using Genetic Algorithms to Evolve a Rule Hierarchy', R. Cattrall, F. Oppacher, D. Deugo, in J. Zytkow, J. Rauch, eds., Principles of Data Mining and Knowledge Discovery, 289-294, Springer, New York, 1999.

D. Deugo, F. Oppacher, J. Kuester, I. Von Otte, 'Patterns as a Means for Intelligent Software Engineering', International Conference on Artificial Intelligence, IC-AI '99, CSREA Press, 605-611, 1999.

D. Deugo, F. Oppacher, B. Ashfield, M. Weiss, 'Communication as a Means to Differentiate Objects, Components and Agents', Proceedings of Technology of Object-Oriented Languages & Systems (TOOLS-30 USA'99), IEEE Computer Society Press, 376-386, 1999.

D. Deugo, F. Oppacher, 'A Pattern Language for Agent Communication', Third International Symposium on Mobile Agents, MA '99, Palm Springs, Ca., 1999.

J. Morrison, F. Oppacher, 'A General Model of Co-Evolution for Genetic Algorithms', in  G. Smith, N. Steele, R. Albrecht (Eds.), Artificial Neural Nets and Genetic Algorithms, Springer, Vienna, 401-404, 1999.


© Franz Oppacher 2014