Journal papers (selection)

J.R. Villar, C. Chira, E. de la Cal, V.M. González, J. Sedano, S.B. Khojasteh, Autonomous on-wrist acceleration-based fall detection systems: unsolved challenges, Neurocomputing, ISSN 0925-2312, vol. 452, 404-413, DOI:10.1016/j.neucom.2019.12.147, 2021.

A. Mester, A. Pop, B.-E.-M. Mursa, H. Grebla, L. Diosan, C. Chira, Network Analysis Based on Important Node Selection and Community Detection, Mathematics, 9(18): 2294, DOI: 10.3390/math9182294, 2021.

G. Czibula, A.-I. Albu, M.I., Bocicor, C. Chira, AutoPPI: An Ensemble of Deep Autoencoders for Protein-Protein Interaction Prediction, Entropy, 23(6): 643, DOI: 10.3390/e23060643, 2021.

R. Irfan, Z. Rehman, A. Abro, C. Chira, W. Anwar, Ontology Learning in Text Mining for Handling Big Data in Healthcare Systems, Journal of Medical Imaging and Health Informatics, 9 (4), pp. 649-661(13), American Scientific Publishers, DOI: 10.1166/jmihi.2019.2681, 2019.

S.B. Khojasteh, J.R. Villar, C. Chira, V.M. González, E. de la Cal, Improving Fall Detection Using an On-Wrist Wearable Accelerometer, Sensors, 18(5): 1350, DOI: 10.3390/s18051350, 2018.

J. Sedano, S. González, C. Chira, Á. Herrero, E. Corchado, J.R. Villar, Key features for the characterization of Android malware families, Logic Journal of the IGPL 25(1): 54-66, DOI: 10.1093/jigpal/jzw046, 2017.

C.-M. Pintea, P. Pop, C. Chira, The generalized traveling salesman problem solved with ant algorithms, Complex Adaptive Systems Modeling, SpringerOpen, Vol. 5 Article Number: 8, DOI: 10.1186/s40294-017-0048-9, 2017.

R. Irfan, O. Khalid, M. U. S. Khan, C. Chira, R. Ranjan, F. Zhang, S. U. Khan, B. Veeravalli, K. Li, A. Y. Zomaya, MobiContext: A Context-Aware Cloud-Based Venue Recommendation Framework, IEEE Transactions on Cloud Computing, vol. 5, no. 4, pp. 712-724, DOI: 10.1109/TCC.2015.2440243, WOS:000417343300010, 2017.

C. Chira, J. Sedano, J. R. Villar, M. Camara, C. Prieto, Gene clustering for time-series microarray with production outputs, Soft Computing 20(11): 4301-4312, DOI: 10.1007/s00500-016-2299-32016, 2016.

L. Hoffer, C. Chira, G. Marcou, A. Varnek, D. Horvath, S4MPLE-Sampler for Multiple Protein-Ligand Entities: Methodology and Rigid-Site Docking Benchmarking, Molecules, 20(5): 8997-9028, DOI: 10.3390/molecules20058997, 2015.

A. Andreica, C. Chira, Best-order crossover for permutation-based evolutionary algorithms, Applied Intelligence, 42(4), p. 751-776, DOI: 10.1007/s10489-014-0623-0, 2015.

J. R. Villar, C. Chira, J. Sedano, S. González, J. M. Trejo, A hybrid intelligent recognition system for the early detection of strokes, Integrated Computer-Aided Engineering 22(3): 215-227, DOI: 10.3233/ICA-150488, 2015.

J. R. Villar, S. González, J. Sedano, C. Chira, J. M. Trejo-Gabriel-Galan, Improving Human Activity Recognition and its Application in Early Stroke Diagnosis, Int. J. Neural Syst. 25(4): 1450036, DOI: 10.1142/S0129065714500361, 2015.

O. Matei, P. C. Pop, J. L. Sas, C. Chira, An improved immigration memetic algorithm for solving the heterogeneous fixed fleet vehicle routing problem, Neurocomputing 150, p. 58-66, DOI: 10.1016/j.neucom.2014.02.074, 2015.

A. Andreica, C. Chira , Evolution and dynamics of node-weighted networks for cellular automata computation, Logic Journal of IGPL, Vol. 23(3), p. 400-409, DOI: 10.1093/jigpal/jzv005, 2015.

C. Chira, J. Sedano, M. Camara, C. Prieto, J. R.Villar, E. Corchado, A Cluster Merging Method for Time Series microarray with production Values, Int. J. Neural Syst. 24(6): 1450018, DOI: 10.1142/S012906571450018X, 2014.

C. Chira, J. Sedano, J. R. Villar, M. Camara, E. Corchado, Urban bicycles renting systems: Modelling and optimization using nature-inspired search methods, Neurocomputing 135, p. 98-106, DOI: 10.1016/j.neucom.2013.07.051, 2014.

A. Agapie, A. Andreica, C. Chira, M. Giuclea, Predictability in Cellular Automata, PLoS ONE 9(10): e108177, DOI:10.1371/journal.pone.0108177, 2014.

R.I. Lung, C. Chira, A. Andreica, Game theory and extremal optimization for community detection in complex dynamic networks, PLoS ONE 9 (2): e86891, DOI: 10.1371/journal.pone.0086891, 2014.

J. Sedano, C. Chira, J. R. Villar, E. M. Ambel, An intelligent route management system for electric vehicle charging, Integrated Computer-Aided Engineering 20(4), p. 321-333, DOI: 10.3233/ICA-130437, 2013.

N. Hatami, C. Chira, Diverse Accurate Feature Selection for Microarray Cancer Diagnosis, Intelligent Data Analysis, Vol. 17, No. 4, p. 697-716, DOI: 10.3233/IDA-130601, 2013.

D. Iclanzan, A. Gog, C. Chira, Cell state change dynamics in cellular automata, Memetic Computing 5(2), p. 131-139, DOI: 10.1007/s12293-012-0093-z, 2013.

R. I. Lung, C. Chira, D. Dumitrescu, Guest editorial: special issue on nature inspired cooperative strategies for optimization, Memetic Computing, Vol. 4, No. 4, p. 247-248, DOI: 10.1007/s12293-012-0099-6, 2012.

C.-M. Pintea, G. C. Crisan, C. Chira, Hybrid ant models with a transition policy for solving a complex problem, Logic Journal of the IGPL 20(3), p. 560-569, DOI: 10.1093/jigpal/jzr004, 2012.

J. Sedano, C. Chira, J. Gonzalez, J.R. Villar, Intelligent system for measuring stress: StressTIC, DYNA Engineering and Industry, Vol. 87(3), p.336-344, DOI: 10.6036/4429, 2012.

G. C. Crisan, C.-M. Pintea, C. Chira, Risk assessment for incoherent data, Environmental Engineering and Management Journal, Vol. 11, No. 12, p. 2169-2174, DOI: 10.30638/eemj.2012.270, 2012.

C. Chira, D. Horvath, D. Dumitrescu, Hill-Climbing Search and Diversification within an Evolutionary Approach to Protein Structure Prediction, BioData Mining, 4:23, DOI: 10.1186/1756-0381-4-23, 2011.

P.C. Pop, C.P. Sitar, I. Zelina, V. Lupse, C. Chira, Heuristic Algorithms for Solving the Generalized Vehicle Routing Problem, International Journal of Computers Communications & Control, ISSN 1841-9836, Vol. 6(1), p. 158-165, DOI: 10.15837/ijccc.2011.1.2210, 2011.

C.-M. Pintea, C. Chira, D. Dumitrescu, P.C. Pop, Sensitive Ants in Solving the Generalized Vehicle Routing Problem, International Journal of Computers Communications & Control, ISSN 1841-9836, Vol. 6(4), p. 734-741, DOI: 10.15837/ijccc.2011.4.2098, 2011.

C. Chira, D. Dumitrescu, C.-M. Pintea, Learning Sensitive Stigmergic Agents for Solving Complex Problems, Computing and Informatics, Vol. 29, no. 3, p. 337-356, WOS:000281993100001, 2010.

C. Chira, T. F. Serbanuta, G. Stefanescu, P Systems with control nuclei: The Concept, Journal of Logic and Algebraic Programming (J.LAP), Vol. 79 (6), p. 326-333, DOI: 10.1016/j.jlap.2010.03.006, 2010.

C. Chira, C-M. Pintea, D. Dumitrescu, An Agent-Based Approach to Combinatorial Optimization, International Journal of Computers, Communications & Control, Vol. III, p. 212-217, WOS:000257497600029, 2008.

O. Chira, C. Chira, D. Tormey, A. Brennan, T. Roche, An agent-based approach to knowledge management in distributed design, in Panetto H., Goncalves R., Pereira C.E. (Eds), Journal of Intelligent Manufacturing, 17/6, Springer Verlag, p. 737-750, DOI: 10.1007/s10845-006-0042-0, 2006.

Conference papers (selection)

A. Bajcsi, A. Andreica, C. Chira, Towards feature selection for digital mammogram classification, International Conference on Knowledge-Based and Intelligent Information & Engineering Systems (KES 2021), Procedia Computer Science, vol. 192, pp. 632-64, DOI: 10.1016/j.procs.2021.08.065, 2021.

E. C. Paim, A. L. C. Bazzan, C. Chira, Detecting Communities in Networks: a Decentralized Approach Based on Multiagent Reinforcement Learning, IEEE Symposium Series on Computational Intelligence (SSCI), pp. 2225-2232, DOI: 10.1109/SSCI47803.2020.9308197, WOS:000682772902037, 2020.

M. Joldos, C. Chira, A parallel evolutionary approach to community detection in complex networks, 2017 13th IEEE International Conference on Intelligent Computer Communication and Processing (ICCP), Cluj-Napoca, Romania, pp. 247-254, DOI: 10.1109/ICCP.2017.8117011, WOS:000417426600030, 2017.

J. Sedano, C. Chira, S. González, A. Herrero, E. Corchado, J.R Villar, Characterization of Android Malware Families by a Reduced Set of Static Features, SOCO-CISIS-ICEUTE 2016: 607-617, Book Series: Advances in Intelligent Systems and Computing Volume: 527 Pages: 607-617, DOI: 10.1007/978-3-319-47364-2_59, WOS:000405330000059, 2017.

C. Jora, C. Chira, Evolutionary community detection in complex and dynamic networks, 2016 IEEE 12th International Conference on Intelligent Computer Communication and Processing (ICCP), Cluj-Napoca, pp. 127-134, WOS:000391857000017, DOI: 10.1109/ICCP.2016.7737134, 2016.

A. L. C. Bazzan, C. Chira, A Hybrid Evolutionary and Multiagent Reinforcement Learning Approach to Accelerate the Computation of Traffic Assignment, Proceedings of the 2015 International Conference on Autonomous Agents & Multiagent Systems (AAMAS'15), 1723-1724, WOS:000461455000214, 2015.

C. Chira, A. L. C. Bazzan, Route assignment using multi-objective evolutionary search, 2015 IEEE International Conference on Intelligent Computer Communication and Processing (ICCP), Cluj-Napoca, pp. 141-148, DOI: 10.1109/ICCP.2015.7312619, 2015.

C. Chira, C. Lemnaru, A multi-objective evolutionary approach to imbalanced classification problems, 2015 IEEE International Conference on Intelligent Computer Communication and Processing (ICCP), Cluj-Napoca, pp. 149-154, DOI: 10.1109/ICCP.2015.7312620, 2015.

J. Sedano, C. Chira, S. González, A. Herrero, E. Corchado, J.R. Villar, On the Selection of Key Features for Android Malware Characterization, International Joint Conference: CISIS'15 AND ICEUTE'15, Book Series: Advances in Intelligent Systems and Computing, CISIS-ICEUTE 2015: 167-176, DOI: 10.1007/978-3-319-19713-5_15, 2015.

A. Popa, I.T. Banu-Demergian, C. Chira, F.M. Boian, G. Stefanescu, A Unifying Framework for Interactive Programming and Applications to Communicating Peer-to-Peer Systems, Embracing Global Computing in Emerging Economies EGC 2015: 101-112, DOI: 10.1007/978-3-319-25043-4_10, 2015.

C. Chira, A. L. C. Bazzan, R. J. F. Rossetti, Multi-objective Evolutionary Traffic Assignment, IEEE 18th International Conference On Intelligent Transportation Systems, ITSC 2015: 1177-1182, DOI:10.1109/ITSC.2015.194, WOS:000376668801040, 2015.

C. Chira, J. Sedano, J.R. Villar, M. Camara, C. Prieto, Shape-Output Gene Clustering for Time Series Microarrays, 10th International Conference on Soft Computing Models in Industrial and Environmental Applications, SOCO 2015: 241-250, Advances in Intelligent Systems and Computing, DOI: 10.1007/978-3-319-19719-7_21, WOS:000380311100021, 2015.

P.C. Pop, C. Chira, A hybrid approach based on genetic algorithms for solving the Clustered Vehicle Routing Problem, IEEE Congress on Evolutionary Computation (CEC 2014), p. 1421-1426, DOI: 10.1109/CEC.2014.6900422, 2014.

C. Chira, A. Andreica, Network Topologies for Cellular Automata Computation, ISCS 2013: Interdisciplinary Symposium on Complex Systems, Emergence, Complexity and Computation Volume 8, 2014, Springer Berlin Heidelberg p. 271-281, DOI: 10.1007/978-3-642-45438-7_27, 2014.

S. González, J. R. Villar, J. Sedano, C. Chira, A Preliminary Study on Early Diagnosis of Illnesses Based on Activity Disturbances, Distributed Computing and Artificial Intelligence DCAI 2013, Advances in Intelligent Systems and Computing 217, p. 521-527, DOI: 10.1007/978-3-319-00551-5_62, 2013.

N. Hatami, C. Chira, Classifiers with a reject option for early time-series classification, Proceedings of the IEEE Symposium on Computational Intelligence and Ensemble Learning, CIEL 2013 - IEEE Symposium Series on Computational Intelligence, SSCI 2013, p. 9-16, WOS:000335317800002, 2013.

A. Andreica, C. Chira, Using a Hybrid Cellular Automata Topology and Neighborhood in Rule Discovery, 8th International Conference on Hybrid Artificial Intelligence Systems, HAIS 2013, Lecture Notes in Computer Science 8073 LNAI, p. 669-678, DOI: 10.1007/978-3-642-40846-5_67, 2013.

J. R. Villar, S. González, J. Sedano, C. Chira, J. M. Trejo, Human Activity Recognition and Feature Selection for Stroke Early Diagnosis, 8th International Conference on Hybrid Artificial Intelligence Systems, HAIS 2013, Lecture Notes in Computer Science 8073 LNAI, p. 659-668, DOI: 10.1007/978-3-642-40846-5_66, 2013.

C. Chira, J. Sedano, J. R. Villar, C. Prieto, E. Corchado, Gene Clustering in Time Series Microarray Analysis, International Joint Conference SOCO'13-CISIS'13-ICEUTE'13, Advances in Intelligent Systems and Computing, vol 239. Springer, Cham. p. 289-298, DOI: 10.1007/978-3-319-01854-6_30, 2013.

C. Chira, A. Encina, M. Fernández, L. Graening, S. Leonard, J.J. Lera, L. Santos, J.R. Villar, J.R. Yebra, Integration of Secondary School Bilingual Programs with Science Communication for Content and Language Learning, EDULEARN13 Proceedings, p. 4582-4591, WOS:000346798304091, 2013.

D. Iclanzan, C. Chira, A Parallel Multiobjective Approach to Evolving Cellular Automata Rules by Cell State Change Dynamics, 1st BRICS Countries Congress On Computational Intelligence and 11th c (BRICS-CCI & CBIC), p. 262-269, DOI: 10.1109/BRICS-CCI-CBIC.2013.5, WOS:000346422500039, 2013.

C. Chira, A. Gog, D. Iclanzan, Evolutionary Detection of Community Structures in Complex Networks: a New Fitness Function, IEEE Congress on Evolutionary Computation (CEC 2012), Brisbane, Australia, p. 1719-1726, DOI: 10.1109/CEC.2012.6256561, 2012.

D. Iclanzan, C. Chira, Modeling and replicating higher-order dependencies in genetic algorithms, IEEE Congress on Evolutionary Computation (CEC 2012), Brisbane, Australia, p. 1-8, DOI:10.1109/CEC.2012.6256648, 2012.

C. Chira, N. Hatami, Hybrid Evolutionary Algorithm with a Composite Fitness Function for Protein Structure Prediction, Proceedings of 13th International Conference on Intelligent Data Engineering and Automated Learning, IDEAL 2012, 13th International Conference, Natal, Brazil, August 29-31, 2012, vol. 7435, LNCS, Springer, p. 184-191, DOI: 10.1007/978-3-642-32639-4_23, 2012.

I. Barbero, C. Chira, J. Sedano, C. Prieto, J. R. Villar, E. Corchado, Merge Method for Shape-Based Clustering in Time Series Microarray Analysis, Proceedings of 13th International Conference on Intelligent Data Engineering and Automated Learning, IDEAL 2012, 13th International Conference, Natal, Brazil, August 29-31, 2012, vol. 7435, LNCS, Springer, p. 834-841, DOI: 10.1007/978-3-642-32639-4_99, 2012.

A. Gog, C. Chira, Dynamics of Networks Evolved for Cellular Automata Computation, Proceedings of the 7th International Conference on Hybrid Artificial Intelligence Systems (HAIS 2012), Salamanca, Spain, Hybrid Artificial Intelligent Systems, Springer-Verlag, vol. 7208-7209, p. 359-368, DOI: 10.1007/978-3-642-28931-6_35, 2012.

G. Armano, C. Chira, N. Hatami, Ensemble of Binary Learners for Reliable Text Categorization with a Reject Option, Proceedings of the 7th International Conference on Hybrid Artificial Intelligence Systems (HAIS 2012), Salamanca, Spain, vol. 7208 HAIS (1), LNCS, p. 137-146, DOI: 10.1007/978-3-642-28942-2_13, 2012.

A. Andreica, C. Chira, The Role of Crossover in Evolutionary Approaches to Resource-Constrained Project Scheduling, Proceedings of the 12th International Conference on Intelligent Systems Design and Applications (ISDA 2012), Kochi, India, IEEE, p. 200-205, DOI: 10.1109/ISDA.2012.6416537, 2012.

G. Armano, C. Chira, N. Hatami, A New Gene Selection Method Based on Random Subspace Ensemble for Microarray Cancer Classification, Proceedings of the 6th IAPR International Conference on Pattern Recognition in Bioinformatics, Lecture Notes in Computer Science, Springer, Vol. 7036, p. 191-201, DOI: 10.1007/978-3-642-24855-9_17, 2011.

R.I. Lung, A. Gog, C. Chira, A Game Theoretic Approach to the Community Detection in Social Networks, Proceedings of the 5th Nature Inspired Cooperative Strategies for Optimization Workshop (NICSO 2011), Cluj-Napoca, Romania, Studies in Computational Intelligence, Springer, Vol. 387, p. 121-131, DOI: 10.1007/978-3-642-24094-2_8, WOS:000307523400008, 2011.

D. Iclanzan, A. Gog, C. Chira, Enhancing the Computational Mechanics of Cellular Automata, Proceedings of the 5th Nature Inspired Cooperative Strategies for Optimization Workshop (NICSO 2011), Cluj-Napoca, Romania, Studies in Computational Intelligence, Springer, Vol. 387, p. 267-283, DOI: 10.1007/978-3-642-24094-2_19, WOS:000307523400019, 2011.

D. Iclanzan, F.P. Istvan, C. Chira, A. Gog, Towards the Efficient Evolution of Particle-Based Computation in Cellular Automata, Genetic and Evolutionary Computation Conference GECCO'11, Vol. GECCO (Companion), ACM, p. 835-836, DOI: 10.1145/2001858.2002113, 2011.

C. Chira, A Hybrid Evolutionary Approach to Protein Structure Prediction with Lattice Models, IEEE Congress on Evolutionary Computation (CEC 2011), IEEE, p. 2300-2306, DOI: 10.1109/CEC.2011.5949901, 2011.

C. Chira, A. Gog, Fitness Evaluation for Overlapping Community Detection in Complex Networks, IEEE Congress on Evolutionary Computation (CEC 2011), IEEE, p. 2200-2206, DOI: 10.1109/CEC.2011.5949887, 2011.

C. Chira, A. Gog, Collaborative Community Detection in Complex Networks, 6th International Conference on Hybrid Artificial Intelligence Systems, HAIS (1), Lecture Notes in Computer Science, Springer, Vol. 6678, p. 380-387, DOI: 10.1007/978-3-642-21219-2_48, 2011.

A. Gog, C. Chira, Comparative Analysis of Recombination Operators in Genetic Algorithms for the Travelling Salesman Problem, 6th International Conference on Hybrid Artificial Intelligence Systems, HAIS (2), Lecture Notes in Computer Science, Springer, Vol. 6679, p. 10-17, DOI: 10.1007/978-3-642-21222-2_2, 2011.

R. Jaramillo-Vacio, A. Ochoa-Zezzatti, S. Jöns, S. Ledezma-Orozco, C. Chira, Diagnosis of partial discharge using self organizing maps and hierarchical clustering - An approach, 6th International Conference on Hybrid Artificial Intelligence Systems, HAIS (1), Lecture Notes in Computer Science, Springer, Vol. 6678, p. 91-98, DOI: 10.1007/978-3-642-21219-2_13¸ 2011.

C. Chira, J. Sedano, M. Camara, J. R. Villar, E. Corchado, A hybrid evolutionary approach to the management of Bicycle Renting Systems, Third World Congress on Nature & Biologically Inspired Computing NaBIC 2011, IEEE, p. 621-626, DOI: 10.1109/NaBIC.2011.6089657, 2011.

C. Chira, J. Sedano, J.R. Villar, M. Camara, E. Corchado, Evolutionary model support for Urban Bicycles Renting Systems, 11th International Conference on Intelligent Systems Design and Applications (ISDA), IEEE, p. 819-824, DOI: 10.1109/ISDA.2011.6121758, 2011.

A. Gog, C. Chira, Collaborative Evolutionary Search For Density Classification In Cellular Automata, International Conference on Knowledge Engineering, Principles and Techniques, KEPT 2011, p. 223 - 232, WOS:000391652300022, 2011.

C.M. Pintea, G.C. Crisan, C. Chira, A Hybrid ACO Approach to the Matrix Bandwidth Minimization Problem, 5th International Conference on Hybrid Artificial Intelligence Systems, HAIS (1) 2010: 405-412, LNCS 6076, DOI: 10.1007/978-3-642-13769-3_49, 2010.

P. C. Pop, O. Matei, C. Pop Sitar, C. Chira, A Genetic Algorithm for Solving the Generalized Vehicle Routing Problem, 5th International Conference on Hybrid Artificial Intelligence Systems, HAIS (2) 2010: 119-126, LNCS 6077, DOI: 10.1007/978-3-642-13803-4_15, 2010.

D. Horvath, C. Chira, Simplified Chain Folding Models as Metaheuristic Benchmark for Tuning Real Protein Folding Algorithms?, IEEE Congress on Evolutionary Computation (CEC 2010), Article number 5585932, DOI: 10.1109/CEC.2010.5585932, 2010.

C. Chira, D. Horvath, D. Dumitrescu, An Evolutionary Model based on Hill-Climbing Search Operators for Protein Structure Prediction, 8th European Conference on Evolutionary Computation, Machine Learning and Data Mining in Bioinformatics, EvoStar 2010, C. Pizzuti, M.D. Ritchie, and M. Giacobini (Eds.): EvoBIO 2010, LNCS 6023, p. 38-49, Springer-Verlag Berlin Heidelberg, DOI: 10.1007/978-3-642-12211-8_4, 2010.

C. Chira, A. Gog, D. Dumitrescu, Asynchronous Collaborative Search using Adaptive Coevolving Subpopulations, ECOMASS Workshop, Genetic and Evolutionary Computation Conference GECCO'09, July 8-12, 2009, Montreal, Canada, F. Rothlauf (Ed), GECCO Companion, ACM, 2575-2582, DOI: 10.1145/1570256.1570364, 2009.

C. Chira, C.-M. Pintea, G. C. Crisan, D. Dumitrescu, Solving the Linear Ordering Problem using Ant Models, Genetic and Evolutionary Computation Conference GECCO'09, July 8-12, 2009, Montreal, Canada, F. Rothlauf (Ed), ACM, 1803-1804, DOI: 10.1145/1569901.1570170, 2009.

A. Gog, C. Chira, D. Dumitrescu, Asynchronous Evolutionary Search: Multi-Population Collaboration and Complex Dynamics, IEEE Congress on Evolutionary Computation (CEC 2009), 240-246, DOI: 10.1109/CEC.2009.4982954, 2009.

A. Gog, C. Chira, Cellular Automata Rule Detection using Circular Asynchronous Evolutionary Search, 4th International Conference on Hybrid Artificial Intelligence Systems (HAIS 2009), Salamanca, Spain, Lecture Notes in Computer Science, Vol. 5572, 261-268, Springer, DOI:10.1007/978-3-642-02319-4_31, 2009.

C.-M. Pintea, G. C. Crisan, C. Chira, D. Dumitrescu, A Hybrid Ant-Based Approach to the Economic Triangulation Problem for Input-Output Tables, Real-world HAIS and Data Uncertainty, 4th International Conference on Hybrid Artificial Intelligence Systems (HAIS 2009), Salamanca, Spain, Lecture Notes in Computer Science, Vol. 5572, 376-383, Springer, DOI: 10.1007/978-3-642-02319-4_45, 2009.

C-M. Pintea, C. Chira, D.Dumitrescu, Sensitive Ants: Inducing Diversity in the Colony, Nature Inspired Cooperative Strategies for Optimization, Studies in Computational Intelligence, Vol. 236 (Krasnogor, N.; Melián-Batista, B.; Moreno-Pérez, J.A.; Moreno-Vega, J.M.; Pelta, D.; Eds.), p. 15-24, Springer-Verlag, DOI: 10.1007/978-3-642-03211-0_2, WOS:000274849000002, 2009.

C. Chira, C-M. Pintea, D. Dumitrescu, Multi-Population Agent Search: Stigmergy and Heterogeneity, 10th International Symposium on Symbolic and Numeric Algorithms for Scientific, IEEE Computer Soc, p. 526-531, DOI: 10.1109/SYNASC.2008.46, 2009.

A. Gog, C. Chira, D. Dumitrescu, D. Zaharie, Analysis of Some Mating and Collaboration Strategies in Evolutionary Algorithms, 10th International Symposium on Symbolic and Numeric Algorithms for Scientific, IEEE Computer Soc, p. 538-542, DOI: 10.1109/SYNASC.2008.87, 2009.

C. Chira, A. Gog, D. Dumitrescu, Distribution, collaboration and coevolution in asynchronous search, Proceedings of the International Symposium on Distributed Computing and Artificial Intelligence (DCAI 2008), Salamanca, Spain, Advances in Soft Computing, Vol. 50, p.596-604, DOI: 10.1007/978-3-540-85863-8_71, WOS:000262358600071, 2009.

C. Chira, C.-M. Pintea, D. Dumitrescu, A new exploration mechanism for sensitive ant models, Conference on Knowledge Engineering Principles and Techniques 2009, Cluj-Napoca, July 02-04, 2009, KEPT 2009, p. 159-167, WOS:000282785400020, 2009.

A. Gog, C. Chira, D. Dumitrescu, Analysis of an asynchronous collaborative evolutionary algorithm, Conference on Knowledge Engineering Principles and Techniques 2009, Cluj-Napoca, July 02-04, 2009, KEPT 2009, p. 168-174, WOS:000282785400021, 2009.

C.-M. Pintea, P.C. Pop, C. Chira, D. Dumitrescu, A Hybrid Ant-Based System for Gate Assignment Problem, 3rd International Workshop on Hybrid Artificial Intelligence Systems (HAIS 2008), Burgos, Spain, Lecture Notes in Computer Science 5271, Springer, p. 273-280, DOI: 10.1007/978-3-540-87656-4_34, 2008.

A. Gog, C. Chira, D. Dumitrescu, Hybrid Multi-Population Collaborative Asynchronous Search, 3rd International Workshop on Hybrid Artificial Intelligence Systems (HAIS 2008), Burgos, Spain, September 24-26, Lecture Notes in Computer Science 5271, Springer, p. 148-155, DOI: 10.1007/978-3-540-87656-4_19, 2008.

C. Chira, D. Dumitrescu, C-M. Pintea, Heterogeneous Sensitive Ant Model for Combinatorial Optimization, Genetic and Evolutionary Computation Conference GECCO'08, ACM, 163-164, July 12-16, 2008, Atlanta, Georgia, USA, DOI: doi.org/10.1145/1389095.1389120, 2008.

C. Chira, A. Gog, D. Dumitrescu, Exploring Population Geometry and Multi-Agent Systems: A New Approach to Developing Evolutionary Techniques, Genetic and Evolutionary Computation Conference GECCO'08, ACM, 1953-1960, July 12-16, 2008, Atlanta, Georgia, USA, DOI: 10.1145/1388969.1389006, 2008.

R. I. Lung, C. Chira, D. Dumitrescu, An Agent-Based Collaborative Evolutionary Model for Multimodal Optimization, Genetic and Evolutionary Computation Conference GECCO'08, ACM, 1969-1975, July 12-16, 2008, Atlanta, Georgia, USA, DOI: 10.1145/1388969.1389008, 2008.

C-M. Pintea, C. Chira, D. Dumitrescu, P.C. Pop, A Sensitive Metaheuristic for Solving a Large Optimization Problem, SOFSEM 2008: Theory and Practice of Computer Science, Lecture Notes in Computer Science 4910, Springer, V. Geffert, J. Karhumaki, A. Bertoni, B. Preneel, P. Navrat, M. Bielikova (Eds), p. 551-559, DOI: 10.1007/978-3-540-77566-9_48, 2008.

C. Chira, C-M. Pintea, D. Dumitrescu, Cooperative Learning Sensitive Agent System for Combinatorial Optimization, Studies in Computational Intelligence (SCI), 129, 347-355, Springer Berlin / Heidelberg, Nature Inspired Cooperative Strategies for Optimization (NICSO 2007), ISBN 978-3-540-78986-4, DOI: 10.1007/978-3-540-78987-1_31, 2008.

G. Stefanescu, C. Chira, New Parallel Programming Language Design: A Bridge between Brain Models and Multi-Core/Many-Core Computers?, From Natural Language to Soft Computing: New Paradigms in Artificial Intelligence, Editing House of Romanian Academy, Zadeh L.A., Tufis D., Filip F.G., Dzitac I. (Eds.), p. 196-210, 2008.

C. Chira, C.-M. Pintea, D. Dumitrescu, A Multi-Agent Stigmergic Model for Complex Optimization Problems, From Natural Language to Soft Computing: New Paradigms in Artificial Intelligence, Editing House of Romanian Academy, Zadeh L.A., Tufis D., Filip F.G., Dzitac I. (Eds.), https://acad.ro/carti2008/doc/carte08_06ZadehContents.pdf, p. 51-62, 2008.

C. Chira, D. Dumitrescu, C-M. Pintea, Sensitive Ant Model for Combinatorial Optimization, 14th International Conference on Soft Computing: Evolutionary Computation, Genetic Programming, Fuzzy Logic, Rough Sets, Neural Networks, Fractals, Bayesian Methods, MENDEL 2008, June 18-20, M. Radomil (Ed), Brno University of Technology, p.1-5, WOS:000265681300001, 2008.

A. Varga, C. Chira, D. Dumitrescu, A Multi-Agent Approach To Solving Dynamic Traveling Salesman Problem, International Conference on Bio-Inspired Computational Methods Used for Difficult Problems Solving - Development of Intelligent and Complex Systems, Advanced bio-inspired computational methods (Enachescu, C; Iantovics, B; Filip, F; Eds), p. 220-227, WOS:000264750600027, 2008.

A. Varga, C. Chira, D. Dumitrescu, A Multi-agent Approach to Dynamic Traveling Salesman Problem, BICS 2008: Proceedings of the 1st International Conference on Bio-Inspired Computational Methods used for solving Difficult Problems - Development of Intelligent and Complex Systems, AIP Conference, Vol. 1117, p. 189-197, DOI: 10.1063/1.3130621, WOS:000267795200022, 2008.

C. Chira, C.-M. Pintea, D. Dumitrescu, Sensitive Stigmergic Agent Systems - A Hybrid Approach to Combinatorial Optimization, 2nd International Workshop on Hybrid Artificial Intelligence Systems, In Innovations in Hybrid Intelligent Systems, Advances in Soft Computing, Springer, Emilio Corchado, Juan M. Corchado and Ajith Abraham (Eds), vol 44, p. 33-39, DOI: 10.1007/978-3-540-74972-1_6, WOS:000253272200005, 2007.

C. Chira, D. Dumitrescu, Multi-Agent Cooperative Design Support in Distributed Environments. In Proceedings of the 27th international Conference on Distributed Computing Systems Workshops (June 22 - 29, 2007). ICDCSW. IEEE Computer Society, Washington, DC, 76, doi: 10.1109/ICDCSW.2007.106, 2007.

C.-M. Pintea, C. Chira, D. Dumitrescu, Combining Meta-heuristics to Solve the Rook Problem, IEEE International Symposium on Symbolic and Numeric Algorithms for Scientific Computing, V. Negru, D. Petcu, D. Zaharie, A. Abraham, B. Buchberger, A. Cicortas, D. Gorgan, J. Quinqueton (Eds), pp 239-243, IEEE Computer Society, ISBN 0-7695-2740-X, DOI: 10.1109/SYNASC.2006.25, 2007.

C. Chira, O. Chira, T. Roche, Multi-agent support for distributed engineering design, 18th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems: Innovations in Applied Artificial Intelligence, IEA/AIE 2005 (Bari, Italy, June 22 - 24, 2005). M. Ali and F. Esposito, Eds. Lecture Notes In Computer Science. Springer-Verlag, London, 155-164, DOI: 10.1007/11504894_23, 2005.

C. Chira, D. Tormey, T. Roche, A. Brennan, An Ontological and Agent Based approach to Knowledge Management within a Distributed Design Environment, 1st International Conference on Design Computing and Cognition (DCC'04), MIT, Cambridge, USA, July 19-21, p. 459-478, WOS:000226301600024, 2004.

O. Chira, C. Chira, D. Tormey, A. Brennan, T. Roche, A Multi-Agent Architecture for Distributed Design, HoloMAS, 2003, ds. Vladimir Marik, Duncan C. McFarlane and Paul Valckenaers, Holonic and Multi-Agent Systems for Manufacturing, First International Conference on Industrial Applications of Holonic and Multi-Agent Systems, HoloMAS 2003, Springer, Lecture Notes in Computer Science, Vol. 2744, p. 213-224, WOS:000185936900020, 2003.

O. Chira, C. Chira, D. Tormey, A. Brennan, T. Roche, An agent-based approach to knowledge management in distributed design, ISPE CE, 111-119, Proceedings of the 10th ISPE International Conference on Concurrent Engineering: Research and Applications, July 26-30, 2003, Madeira Island, Portugal, R. Jardim-Goncalves, J. Cha, A. Steiger-Garcao (Eds), A. A. Balkema Publishers, WOS:000185175400017, 2003.

E. Man, J.E. Díez, C. Chira, T. Roche, Product Life Cycle Design Using the DFE Workbench, Fifth IEEE/IFIP International Conference on Information Technology For Balanced Automation Systems - BASYS 2002, Knowledge and Technology Integration in Production and Services: Balancing Knowledge in Product and Service Life Cycle (September 25 - 27, 2002). V. Marík, L. M. Camarinha-Matos, and H. Afsarmanesh, Eds. IFIP Conference Proceedings, vol. 229, p. 395-402, DOI: 10.1007/978-0-387-35613-6_44, 2002.

T. Roche, E. Man, C. Chira, J. Browne, The DFE Workbench Software Tool Case Study, 2nd International Symposium on Environmentally Conscious Design and Inverse Manufacturing (EcoDesign'01), IEEE, p. 227-230, WOS:000177260300040, 2001.