Publications

Journals

D. Vrajitoru (2007): Natural Selection and Mating Constraints with Genetic Algorithms. To appear in the International Journal of Modelling and Simulation.

D. Vrajitoru, P. Konnanur, and R. Mehler (2007): Genetic Algorithms for a Single-Track Vehicle Autonomous Pilot. To appear in Control and Intelligent Systems.

D. Vrajitoru (1998) : Crossover Improvement For The Genetic Algorithm In Information Retrieval. Information Processing and Management , 34(4), 405-415.

Submitted

D. Vrajitoru (2007): Facet Detection and Visualizing Local Structure in Graphs. Submitted to the ACM Transactions on Graphics.

Conferences

D. Vrajitoru (2007): Hybrid Multiobjective Optimization Genetic Algorithms for Graph Drawing. Proceeding of the Genetic and Evolutionary Computation Conference (GECCO'07), University College London, UK, 912.

D. Vrajitoru (2007): Competitive Coevolution versus Objective Fitness for an Autonomous Motorcycle Pilot. Proceeding of the IEEE Electro/Information Technology Conference (EIT 2007), May 17-20, Chicago, IL, 642-647.

D. Vrajitoru (2007): Facet Detection and Visualization of Local Structure in Graphs. Proceedings of the IASTED Conference on Graphics and Visualization in Engineering (GVE'07), January 3-5, Clearwater, Florida, 89-94.

D. Vrajitoru, B. El-Gamil (2006): Genetic Algorithms for Graph Layouts with Geometric Constraints. IASTED Conference on Computational Intelligence (CI'06), San Francisco, November 20-22, 64-69.

D. Vrajitoru (2006): NPCs and Chatterbots with Personality and Emotional Response. The IEEE Symposium on Computational Intelligence and Games (CIG 2006), Reno/Lake Tahoe, May 22-24, 142-147.

H. Rababaah, J. Wolfer, D. Vrajitoru (2005): Asphalt Pavement Crack Classification: a Comparison of GA, MLP, and SOM. Proceeding of the Genetic and Evolutionary Computation Conference (GECCO'05 and SIGEVO 1), Washington, DC, June25-29, 2005, late breaking papers.

D. Vrajitoru, J. DeBoni (2005): Hybrid Real-Coded Mutation for Genetic Algorithms Applied to Graph Layouts. Proceeding of the Genetic and Evolutionary Computation Conference (GECCO'05 and SIGEVO 1), Washington, DC, June25-29, 2005, 1563-1564.

D. Vrajitoru, R. Mehler (2005): Multi-Agent Autonomous Pilot for Single-Track Vehicles. Proceedings of the IASTED Conference on Modeling and Simulation, Oranjestad, Aruba, August 29-31, 2005, 85-90.

D. Vrajitoru, J. DeBoni (2005): Consistent Graph Layout for Weighted Graphs. Presented at the The 3rd ACS/IEEE International Conference on Computer Systems and Applications, January 3-5, 2005, Cairo, Egypt.

D. Vrajitoru, R. Mehler (2004): Multi-Agent Autonomous Pilot for Motorcycles. The IEEE Region 4 Electro/Information Technology Conference (EIT2004), August 26-27, Milwaukee, WI.

D. Vrajitoru, J. DeBoni (2004): Consistent Weighted Graph Layouts. Graph Theory 2004, poster presentation, Paris, July 5-9, 2004, 93-94. Longer version submitted for the proceedings.

D. Vrajitoru (2004): Intra and Extra-Generation Schemes for Combining Crossover Operators. MAICS 2004, 86-91.

D. Vrajitoru, J. Ratkiewicz (2004): Evolutionary Sentence Combination for Chatterbots. The IASTED International Conference on Artificial Intelligence and Applications (AIA 2004), Innsbruck, Austria, February 16-18, 2004, ACTA Press, 287-292.

D. Vrajitoru (2003): Evolutionary Sentence Building for Chatterbots. GECCO 2003 Late Breaking Papers, 315-321.

R. Paffenroth, D. Vrajitoru, T. Stone, and J. H. Maddocks (2002): DataViewer: A Scene Graph Based Visualization Library. The 5th IASTED Conference on Computer Graphics and Imaging (CGIM 2002), ACTA Press, 200-205.

D. Vrajitoru (2002): Simulating Gender Separation with Genetic Algorithms. GECCO-2002, Morgan Kaufmann Publishers, 634-641.

R. Paffenroth, D. Vrajitoru, T. Stone, and J. H. Maddocks (2002): DataViewer: A Scene Graph Based Visualization Tool. The 20th Eurographics UK Conference, IEEE Computer Society Publications, 147-148.

D. Vrajitoru (2001): Parallel Genetic Algorithms Based on Coevolution. GECCO-2001, Late Breaking Papers, 450-457. Slides.

D. Vrajitoru (2001): Nested Genetic Algorithms with Problem Division. GECCO-2001, 787.

D. Vrajitoru (1999): Genetic Programming Operators Applied to Genetic Algorithms. GECCO-99, 686-693. Slides.

D. Vrajitoru (1997) : Genetic Algorithms in Information Retrieval. AIDRI97: Learning; From Natural Principles to Artificial Methods. , Genève, June 1997.

J. Savoy, A. Le Calvé, D. Vrajitoru (1996) : Report on the TREC-5 Experiment: Data Fusion and Collection Fusion. Proceedings TREC'5 , NIST Publication 500-238, Gaithersburg (MD), 489-502.

J. Savoy, M. Ndarugendamwo, D. Vrajitoru (1995) : Report on the TREC-4 Experiment: Combining Probabilistic and Vector-Space Schemes. Proceedings TREC'4 , NIST, Gaithersburg (MD), October 1995, 537-547.

J. Savoy, M. Ndarugendamwo, D. Vrajitoru (1994) : Report on the TREC-3 Experiment: A Learning Scheme in a Vector Space Model. Proceedings TREC'3 , NIST, publication 500-225, Gaithersburg (MD), April 1994, 361-372.

Submitted

Chapters in books

D. Vrajitoru (2000): Large Population or Many Generations for Genetic Algorithms ? Implications in Information Retrieval. In F. Crestani, G. Pasi (eds.): Soft Computing in Information Retrieval. Techniques and Applications, Physica-Verlag, Heidelberg, 199-222.

D. Vrajitoru (1998): Algorithmes génétiques en recherche d'informations. Dans G. Ritschard, A. Berthold, F. Duc, D. A. Zighed (eds.): Apprentissage : des principes naturels aux méthodes artificielles , Hermès, Paris, 271-278.

Workshops

D. Vrajitoru (1999): Mathematical Visualization, Parameter Continuation, and Steered Computations. Third SOS Workshop, March 22-24 1999, Villars, Switzerland.

Technical reports

D. Vrajitoru (2005): Simulating Gender Separation and Mating Constraints for Genetic Algorithms. Indiana University South Bend, Computer and Information Sciences Department, Technical Report TR-20050520-1.

D. Vrajitoru (2004): Consistent Graph Layout for Weighted Graphs by a Force-Based Probabilistic Algorithm. Indiana University South Bend, Computer and Information Sciences Department, Technical Report TR-20040305-1.

D. Vrajitoru, P.-J. Erard (1994) : Facial Animation by Digitalized Image Deformation. University of Neuchâtel, Switzerland.

Doctoral thesis

Doctor of Science thesis, Apprentissage en recherche d'informations (Learning in Information Retrieval). Defended in April 1997, published in December 1997 at the University of Neuchâtel, Computer Science Department. Abstract.