Artificial Intelligence Group

Research Areas

• Intelligent systems
• Multi-agent systems
• Knowledge discovery
• Recommender systems
• Automated reasoning
• Intelligent ambient
• Applications of artificial intelligence in e-commerce, scientific computing and medicine
• Self-adapting and self-healing systems
• Evolutionary algorithms in optimization and data mining
• Nature inspired meta-heuristics: ant systems, particle swarm optimization etc.

Members

Researchers

PhD Students

Projects

Asistsys – Integrated System of Assistance for Patients with Severe Neuromotor Affections, RO-PNII, 2008-2011

SCIPA – Semantic Software Services for Collaboration and Inter-operability for Adaptive Business Processes, RO-PNII, 2008-2011 (Details)

VISP – Virtual Internet Service Provider, FP6 STREP, 2005-2009 (Details)

Sipadoc – Integrated System for the Digitization and Capitalization of the Document’s Cultural Patrimony, RO-PNII, 2007-2010 (Details)

NatComp – New Natural Computing Models in the Study of Complexity, RO-PNII, 2007-2010 (Details)

MaternQual - Integrated System for Risk and Quality Assessment in Obstetrics, RO-CEEX Project, 2006-2008 (Details)

Publications

2014

* Pungilǎ, C.-P., Reja, M., Negru, V.; Efficient parallel automata construction for hybrid resource-impelled data-matching, Future Generation Computer Systems 36, pp. 31-41, 2014 * Iuhasz, G., Negru, V., Zaharie, D.; Neuroevolution based multi-agent system with ontology based template creation for micromanagement in real-time strategy games, Information Technology and Control 43 (1), pp. 98-109, 2014 * Muscalagiu, I., Popa, H.E., Negru, V.; The impact of the "nogood processor" technique in scale-free networks, Source of the Document Studies in Computational Intelligence 511, pp. 163-173, 2014 * Iuhasz, G., Munteanu, V.I., Negru, V.; A survey of adaptive game AI: Considerations for cloud deployment, Source of the Document Studies in Computational Intelligence 511, pp. 309-315, 2014 * L. Moatar-Moleriu, V. Negru, D. Zaharie - Evolutionary Estimation of Parameters in Computational Models of Thymocyte Dynamics, LSSC’13, June, Sozopol, Springer LNCS 8353, pg. 264-271, 2014.

2013

* Tirea, M., Negru, V.; Classifying and quantifying certain phenomena effect, SISY 2013 - IEEE 11th International Symposium on Intelligent Systems and Informatics, Proceedings 6662603, pp. 363-368, 2013 * Tirea, M., Negru, V.; Investment portfolio optimization based on risk and trust management, SISY 2013 - IEEE 11th International Symposium on Intelligent Systems and Informatics, Proceedings 6662604, pp. 369-374 * Iuhasz, G., Munteanu, V.I., Negru, V.; Data mining considerations for knowledge acquisition in real time strategy games, Source of the Document SISY 2013 - IEEE 11th International Symposium on Intelligent Systems and Informatics, Proceedings 6662596, pp. 331-336, 2013 * Tirea, M., Negru, V.; Stock market analysis - Strongest performing stocks influence on an evolutionary market, Proceedings of the International Conference on Information Technology Interfaces, ITI 6649035, pp. 263-270, 2013 * Iuhasz, G., Munteanu, V.I., Negru, V.; Framework for enabling scalable learning game AI, ENASE 2013 - Proceedings of the 8th International Conference on Evaluation of Novel Approaches to Software Engineering pp. 189-196, 2013 * D. Zaharie, L. Moatar-Moleriu, V. Negru; Particularities of Evolutionary Parameter Estimation in Multi-stage Compartmental Models of Thymocyte Dynamics, GECCO’13, July 6–10, Amsterdam, pg. 303-310, 2013. * Investment portfolio optimization based on risk and trust management

2012

2011

• Aritoni O, Negru V; A multi-agent recommendation system for energy efficiency improvement, Communications in Computer and Information Science 171 CCIS, pp. 156-170, 2011
• Zaharie D, Perian L, Negru V; A View Inside the Classification with Non-Nested Generalized Exemplars, IADIS European Conference on Data Mining, 24-26 iulie 2011, Rome, Italy, IADIS Proceedings, pg 19-26, ISBN: 978-972-8939-53-3
• Zaharie D, Perian L, Negru V, Zamfirache F; Evolutionary pruning of non-nested generalized exemplars, in Proc.of the 6th IEEE International Symposium on Computational Intelligence and Informatics, Timisoara, 19-21 mai 2011, pg 57-62, 2011.

2010

• Aritoni O, Negru V; Sensors Data-Stream Processing Middleware based on Multi-Agent Model, Scalable Computing: Practice and Experience Scientific International Journal for Parallel and Distributed Computing Volume 11, no. 1, pg. 19–32, 2010
• Pungila C; A Model for Energy-Efficient Household Maintenance Through Behavioral Analysis of Electrical Appliances, The First International Workshop on Engineering Low-Carbon Business (ELCB’10) at 2010 IEEE International Conference on e-Business Engineering (ICEBE 2010), Shanghai, 2010

• Zaharie D, Lungeanu D, Zamfirache F; Interactive Search of Rules in Medical Data Using Multiobjective Evolutionary Algorithms, chapter in Genetic and Evolutionary Computation: Medical Applications, Stephen Smith and Stefano Cagnoni (eds), John Wiley & Sons, 2010, pp 133-148

• Zamfirache F, Zaharie D, Craciun C; Nature inspired metaheuristics for task scheduling in static and dynamic computing environments, Scientific Bulletin of Politehnica University of Timisoara, Transactions on Automatic Control and Computer Science, vol 55(69), nr. 3, pp. 133-142, 2010
• Zamfirache F, Frincu M, Zaharie D; Population based Metaheuristics for Tasks Scheduling in Heterogenous Distributed Systems, in I.Dimov, S. Dimova, N. Kolkovska (eds), Proc. of NMA 2010 Conference, LNCS 6046, pg. 321-327, 2011.
• Zamfirache F, Zaharie D, Craciun C; Evolutionary task scheduling in static and dynamic environments, ICCC-CONTI 2010 - IEEE International Joint Conferences on Computational Cybernetics and Technical Informatics, Proceedings, art. no. 5491336, pp. 619-624, 2010

2009

• Pungilă C, Aritoni O, Fortiș F; Benchmarking Database Systems for the Requirements of Sensor Readings, IETE Technical Review, vol. 26, no. 5, pages 342-349, 2009
• Pungilă C; A Bray-Curtis Weighted Automaton for Detecting Malicious Code Through System-Call Analysis, Proc. of Synasc 2009
• Zaharie D; Influence of Crossover on the Behaviour of the Differential Evolution Algorithm; Applied Soft Computing, vol 9, issue 3, pg. 1126-1138, 2009
• Craciun C, Nicoara M, Zaharie D; Enhancing the Scalability of Metaheuristics by Cooperative Coevolutiobn; Proc. of „Large Scale Scientific Computing”, LNCS 5910, PG.323-330, 2009

2008

• Pop D, Fortis F, Negru V; Applying ontologies for workflow modelling and execution for a virtual ISP, International Journal of Web and Grid Services, Inderscience Publishers, Volume 4, Issue 3, November 2008, ISSN:1741-1106, pp 330-341, 2008

• Pop D, Fortis F, Negru V; Ontology-based Modeling and Execution of Workflows for Virtual ISP, WGIS2008 / CICIS 208, pp 1007 - 1011, 2008

• Popa H, Negru V, Pop D, Muscalagiu I; DL-AgentRecom - A multi-agent based recommendation system for scientific documents, Proc. Synasc 2008, IEEE Press,ISBN 978-0-7695-3523-4, February 2009, pp. 332 - 328, 2008

• Muscalagiu I, Vidal J.M.; Cretu V.; Popa H.E.; Panoiu M.; Experimental analysis of the effects of agent synchronization in asynchronous search algorithms; International Journal of Software Engineering and Knowledge Engineering, vol 18(5), 619-636
• Gog A; C. Chira; Dumitrescu D.; Zaharie D.; Analysis of some mating and collaboration strategies in evolutionary algorithms; Proceedings of the 2008 10th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing; SYNASC 2008, 538-542
• Panica S, Petcu D, Zaharie D; EVOLUTIONARY MULTI-OBJECTIVE OPTIMIZATION ON GRID ENVIRONMENTS; Procs. PDCN 2008, Parallel and Distributed Computing and Networks - 2008, Innsbruck, 11-14 February 2008, Acta Press, ISBN 978-0-88986-713-0, editor H. Burkhart, pp. 81-86
• Zaharie D, Lungeanu D, Zamfirache F; Interactive search of rules in medical data using multiobjective evolutionary algorithms; GECCO'08: Proceedings of the 10th Annual Conference on Genetic and Evolutionary Computation 2008, pp 2065-2072
• Zaharie D; Statistical properties of differential evolution and related random search algorithms, invited paper, in Paula Brito (ed.) Proceedings of International Conference on Computational Statistics Porto, Portugal, August 24-29, Physica-Verlag HD, pg. 473-485, 2008.
• Lungeanu D, Zaharie D, Zamfirache F; Influence of Missing Values Treatment on Classification Rules Evolved from Medical Data. In I. Bichindaritz, P. Perner, L. G. Shapiro (Eds.): Advances in Data Mining. 8th Industrial Conference, ICDM, Leipzig, Germany, July 2008, IbaI Publishing, pg. 86-95, 2008.

2007

• Popa H, Muscalagiu I, Muscalagiu D.M, Negru V; Experimental analysis of the impact of the message management in the case of the ABT family, Proc. Synasc 2007
• Popa H, Pop D, Negru V, Zaharie D; A Multi-Agent System for Knowledge Discovery from Databases, Proc. of SYNASC’07, IEEE Computer Society, ISBN 0-7695-3078-8, pg. 275-281, 2007.
• Zaharie D; A Comparative Analysis of Crossover variants in Differential Evolution; M. Ganzha, M. Paprzycki, T. Pelech-Pilichowski (eds), Proc. of International Multiconference on Computer Science and Information Technology IMCSIT 2007, 15-17 oct., Wisla, Poland, ISSN 1896-7094, pg. 171 – 181, 2007
• Zaharie D, F. Zamfirache, V. Negru, D. Pop, H. Popa; Unsupervised Clustering of Documents using Evolutionary Algorithms; Proc. of International Conference on Knowledge Engineering: Principles and Techniques, Cluj-Napoca, 7-8 june, 2007, pg. 114-121, 2007.
• Zaharie D, Lungeanu D, Holban S; Feature Ranking Based on Weights Estimated by Multiobjective Optimization; In: J.Roth, J.Gutiérrez, A.P. Abraham (eds.), Proceedings of IADIS First European Conference on Data Mining, 5-7 july 2007, Lisabona, ISBN 978-972-8924-40-9, pg. 124-128, 2007
• Zaharie D, Holban S, Lungeanu D, Navolan D; A computational Intelligence Approach for Ranking Risk Factors in Preterm Birth. In: Szakal A. (ed.). Proceedings of 4th International Symposium on Applied Computational Intelligence and Informatics - SACI2007, mai 2007, Timisoara, ISBN: 1-4244-1234-X, pg. 135-140, 2007.

2006

• Pop D, Negru V, Sandru C; Multi-agent architecture for Knowledge discovery, Proc. Synasc 2006, IEEE Press, ISBN 0-7695-2740-X, pp 217 - 223, 2006.
• Sandru C, Negru V; VALIDATING UPML CONCEPTS IN A MULTI-AGENT ARCHITECTURE; SCHEDAE INFORMATICAE, VOL. 15, DECEMBER 2006, ISSN 0860-0295, PP 109 - 126, 2006
• Zaharie D; Distributed Clustering based on Representatives evolved by Crowding Differential Evolution; PROC. OF 12TH INTERNATIONAL CONFERENCE ON SOFT COMPUTING, BRNO, CZECH REPUBLIC, MAY 31 - JUNE 2, PP. 51-56, 2006
• Zaharie D, Zamfirache F; Diversity Enhancing Mechanisms for Evolutionary Optimization in Static and Dynamic Environments, PROC. OF 3RD ROMANIAN-HUNGARIAN JOINT SYMPOSIUM ON APPLIED COMPUTATIONAL INTELLIGENCE,TIMISOARA, ROMANIA, MAY 25-26, pg. 460-471.,2006
• Zaharie D, Ciobanu G; Distributed Evolutionary Algorithms Inspired by Membranes in Continuous Optimization Problems, in H.J. Hoogeboom, G. Paun, G. Rozenberg (eds), Proceedings of 7th Workshop on Membrane Computing, Leiden, 17-21 iulie, LNCS 4361, ISBN 978-3-540-69088-7, pg. 536-553, 2006