Publications
Electronic versions of the papers are available only for teaching and research purposes. For a copy of a paper not available in my webpage, please send me an email.
Journals
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S. Benedettini, M. Villani, A. Roli, R. Serra, M. Manfroni, A. Gagliardi, C. Pinciroli, M. Birattari. Dynamical regimes and learning properties of evolved Boolean networks. Neurocomputing Vol.99, pages 111-123, 2013.
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A. Brutschy, N.-L. Tran, N. Baiboun, M. Frison, G. Pini, A. Roli, M. Dorigo and M. Birattari. Costs and benefits of behavioral specialization. Robotics and Autonomous Systems, Vol. 60, issue 11, pp. 1408-1420, 2012.
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A. Roli, S. Benedettini, T.Stuetzle and C.Blum. Large Neighbourhood Search Algorithms for the Founder Sequence Reconstruction Problem. Computers and Operations Research, Vol. 39, Issue 2, pp.213-224, 2012.
A previous version of the paper is available as Technical report TR/IRIDIA/2010-012, IRIDIA, Université Libre de Bruxelles, Belgium.
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G. Pini, A. Brutschy, M. Frison, A. Roli, M. Dorigo, M. Birattari. Task partitioning in swarms of robots: An adaptive method for strategy selection. Swarm Intelligence, 5(3-4): 283-304, 2011.
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C. Blum, J. Puchinger, G.R. Raidl and A. Roli. Hybrid Metaheuristics in Combinatorial Optimization: A Survey. Applied Soft Computing, Vol. 11, 2011.
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M. Battarra, S. Benedettini and A. Roli. Leveraging saving-based algorithms by master-slave genetic algorithms. Engineering Applications of Artificial Intelligence, Vol. 24, Issue 4, 2011.
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S. Benedettini, L. Di Gaspero and A. Roli. Genetic Master-Slave Algorithm for Haplotype Inference by Parsimony. Journal of Hybrid Computing Research. To appear.
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L. Di Gaspero, A. Schaerf, G. di Tollo, A. Roli. Hybrid Metaheuristics for Constrained Portfolio Selection Problems. Quantitative Finance, Volume 11, Issue 10, October 2011, pages 1473-1487.
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M. Lombardi, M. Milano, A. Roli and A. Zanarini. Deriving Information from Sampling and Diving. Fundamenta Informaticae, Vol. 107, Issue 2-3, 2011.
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L. Di Gaspero, A. Roli. Stochastic local search for large-scale instances of the Haplotype Inference Problem by Parsimony. Journal of Algorithms: Algorithms in Logic, Informatics and Cognition, Vol. 63, No. 1-3, 2008. [Preprint]
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G.di Tollo, A.Roli. Metaheuristics for the Portfolio Selection Problem. International Journal of Operations Research, Vol 5, No.1, 2008. [Preprint]
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E.Angelini, G.di Tollo, A.Roli. A Neural Network Approach for Credit Risk Evaluation. The Quarterly Review of Economics and Finance, vol. 48, 2008. doi:10.1016/j.qref.2007.04.001. [Preprint]
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M.Mamei, A.Roli, F.Zambonelli. Emergence and Control of Macro Spatial Structures in Perturbed Cellular Automata, and Implications for Pervasive Computing Systems. IEEE Trans. on Systems, Man and Cybernetics - Part A, 35(3):337-348, 2005.
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M.Milano, A.Roli. MAGMA: A Multiagent Architecture for Metaheuristics. IEEE Trans. on Systems, Man and Cybernetics - Part B, Vol.34, Issue 2, April 2004. [Preprint]
A previous version is available as LIA Technical Report 02-007, no. 60.
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C.Blum, A.Roli. Metaheuristics in Combinatorial Optimization: Overview and Conceptual Comparison. ACM Computing Surveys, Vol.35, N.3, 2003. [Preprint]
A previous version is available as Technical report TR/IRIDIA/2001-13, IRIDIA, Université Libre de Bruxelles, Belgium. [ps]
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A.Roli. Criticality and Parallelism in GSAT. LICS 2001 Workshop on Theory and Applications of Satisfiability Testing (SAT 2001). Electronic Notes in Discrete Mathematics, Vol.9, 2001. Elsevier Science Publishers. [ps (preprint)]
Book reviews and other journal publications
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Y.Naveh, A. Roli. Introduction to the Special Issue on Local Search Techniques in Constraint Satisfaction. Constraints, Special issue on local search techniques in constraint satisfaction, vol.12, no.3, September 2007. [Preprint]
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C. Blum, A. Roli, and M. Sampels. Hybrid metaheuristics (editorial). Journal of Mathematical Modelling and Algorithms, Special issue on Hybrid Metaheuristics, vol.5, no.1, April 2006. [pdf]
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A.Roli. Ant Colony optimization (book review). IEEE Trans. on Evolutionary Computation, Vol.8, Issue 4, August 2004.
- A.Roli. Ant Colony optimization. AIRONews, Vol.VII, Issue 3, Autumn 2002. [pdf]
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A.Roli. Algoritmi di soluzione del Problema di Soddisfacibilità
basati su Reti Booleane (Boolean Networks based algorithms for the Satisfiability Problem). AI*IA notizie-Anno XII, n.4, Dicembre 1999. [ps]
Edited journals
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Y.Naveh, A. Roli (Eds.). Constraints, Special issue on local search techniques in constraint satisfaction, vol.12, no.3, September 2007.
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C. Blum, A. Roli, and M. Sampels (Eds.). Journal of Mathematical Modelling and Algorithms, Special issue on Hybrid Metaheuristics, vol.5, no.1, April 2006.
Book chapters
- C.Blum, J.Puchinger, G.Raidl, and A.Roli.Hybrid Metaheuristics. In Hybrid Optimization: the 10 years of CPAIOR, M.Milano and P.Van Hentenryck (eds.). Springer, 2011.
- A. Roli, M.Milano. An overview of AI research in Italy. In State of the Art in AI, M.Bramer (ed.). Springer, IFIP State of the Art series, 2009.
- C. Blum, A. Roli. Hybrid Metaheuristics: An Introduction. In Hybrid Metaheuristics: An Emerging Approach to Optimization, C. Blum, M. Blesa, A. Roli and M. Sampels (eds.). Springer, 2008.
- C.Blum, A.Roli,E.Alba. An introduction to Metaheuristic Techniques. In Parallel Metaheuristics, E.Alba editor. Wiley Book Series on Parallel and Distributed Computing. Wiley, 2005.
Edited books
- M.J.Blesa, C.Blum, P. Festa, A.Roli, M.Sampels (Eds.). Proceedings of HM 2013 -- Eigth International Workshop on Hybrid Metaheuristics. Lecture Notes in Computer Science, vol. 7919, 2013.
- M.J.Blesa, C.Blum, G. Raidl, A.Roli, M.Sampels (Eds.). Proceedings of HM 2010 -- Seventh International Workshop on Hybrid Metaheuristics. Lecture Notes in Computer Science, vol. 6373, 2010.
- M.J.Blesa, C.Blum, L.Di Gaspero, A.Roli, M.Sampels, A.Schaerf (Eds.). Proceedings of HM 2009 -- Sixth International Workshop on Hybrid Metaheuristics. Lecture Notes in Computer Science, vol. 5818, 2009.
- M.J.Blesa, C.Blum, C.Cotta, A.J.Fernández, J.E.Gallardo, A.Roli, M.Sampels (Eds.). Proceedings of HM 2008 -- Fifth International Workshop on Hybrid Metaheuristics. Lecture Notes in Computer Science, vol. 5296, 2008.
- C. Blum, M. Blesa, A. Roli and M. Sampels (eds.). Hybrid Metaheuristics: An Emerging Approach to Optimization. Springer, 2008.
- T.Bartz-Beielstein, M.J.Blesa, C.Blum, B.Naujoks, A.Roli, G.Rudolph, M.Sampels (Eds.). Proceedings of HM 2007 -- Fourth International Workshop on Hybrid Metaheuristics. Lecture Notes in Computer Science, vol. 4771, Springer, 2007.
- A.Roli and Y.Naveh (Eds.). Local Search Techniques in Constraint Satisfaction. Chapter 5 in Benhamou, Jussien and O'Sullivan (Eds.) Trends in Constraint Programming. ISTE, 2007.
- F.Almeida, M.J. Blesa, C. Blum, J.M.Moreno Vega, M.Pérez Pérez, A. Roli, and M. Sampels (Eds.). Proceedings of HM 2006 -- Third International Workshop on Hybrid Metaheuristics. Lecture Notes in Computer Science, vol. 4030, Springer, 2006.
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M.J. Blesa, C. Blum, A. Roli, and M. Sampels (Eds.). Proceedings of HM 2005 -- Second International Workshop on Hybrid Metaheuristics. Lecture Notes in Computer Science, vol. 3636, Springer, 2005.
- C.Blum, A.Roli, M.Sampels (Eds.). Proceedings of the First International Workshop on Hybrid Metaheuristics. (ISBN 3-00-015331-4) Available online at: http://iridia.ulb.ac.be/~hm2004/proceedings/
Conference papers (refereed)
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A. Roli, M. Villani, R. Serra, L. Garattoni, C. Pinciroli, M. Birattari. Identification of Dynamical Structures in Artificial Brains: An Analysis of Boolean Network Controlled Robots. Proceedings of AI*IA 2013, LNAI 8249, Springer, 2013.
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M. Villani, A. Filisetti, S. Benedettini, A. Roli, D. Lane, R. Serra. The detection of intermediate-level emergent structures and patterns. Proceedings of ECAL 2013, The MIT Press. Best paper award
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L. Garattoni, A. Roli, M. Amaducci, C. Pinciroli, M. Birattari. Boolean Network Robotics as an Intermediate Step in the Synthesis of Finite State Machines for Robot Control. Proceedings of ECAL 2013, The MIT Press.
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A. Roli, M. Amaducci, L. Garattoni, C. Pinciroli, M. Birattari. State space properties of Boolean networks trained for sequence tasks. Extended abstract and poster at ECCS 2012.
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S. Benedettini, A. Roli. An efficient simulator for Boolean network models. Extended abstract and poster at ECCS 2012.
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M. Villani, R. Serra, S. Benedettini, A. Roli, D. Lane. Noise-induced emergent hierarchies in a CA model. In Proceedings of ACRI 2012, Vol. 7495 of LNCS, Springer, 2012.
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L. Di Gaspero, G. di Tollo, A. Roli and A. Schaerf. Local Search for Constrained Financial Portfolio Selection Problems with Short Sellings. In Procedings of LION 5, LNCS, Springer, 2011.
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A. Roli, S. Benedettini, M. Birattari, C. Pinciroli, R. Serra, M. Villani. Robustness, evolvability and complexity in Boolean network robots. Extended abstract and poster at ECCS 2011.
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A. Brutschy, N.-L. Tran, N. Baiboun, M. Frison, G. Pini, A. Roli, M. Dorigo, M. Birattari. Costs and benefits of behavioral specialization. In Proceedings of TAROS 2011, LNCS, Springer, 2011.
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S.M. Oliveira, M.S. Hussin, T. Stuetzle, A. Roli, M. Dorigo. A detailed analysis of the population-based ant colony optimization algorithm for the TSP and the QAP. In Procedings of GECCO 2011, ACM 2011, ISBN 978-1-4503-0557-0.
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S. Benedettini, A. Roli, M. Villani, R. Serra. Stochastic Local Search to Automatically Design Boolean Networks with Maximally Distant Attractors. In Proceedings of EVOApplications 2011, LNCS, Springer, 2011.
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A. Roli, M.Manfroni, C.Pinciroli, M.Birattari. On the design of Boolean network robots. In Proceedings of EVOApplications 2011, LNCS, Springer, 2011.
Also available as arXiv:1101.6001v1 [cs.AI]. PDF version
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M. Villani, R. Serra, A. Barbieri, A. Roli, S.A. Kauffman, A. Colacci. Noisy Random Boolean Networks and Cell Differentiation, In Proceedings of ECCS2010 - European Conference on Complex Systems, 2010.
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C. Blum, J. Puchinger, G.R. Raidl, A. Roli. A Brief Survey on Hybrid Metaheuristics. In: B. Filipic and J. Silc, editors, Proceedings of BIOMA 2010 -- 4th International Conference on Bioinspired Optimization Methods and their Applications, Jozef Stefan Institute, Ljubljana, Slovenia, ISBN: 978-961-264-017-0.
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M.Frison, N.-L.Tran, N.Baiboun, A.Brutschy, G.Pini, A.Roli, M.Dorigo and M. Birattari. Adaptive Task Partitioning in Swarms of Homogeneous Robots. In In Ant Colony Optimization and Swarm Intelligence - ANTS 2010 Lecture Notes in Computer Science, Vol. 6234. Springer, 2010.
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S.Benedettini, C.Blum, and A.Roli. A Randomized Iterated Greedy Algorithm for the Founder Sequence Reconstruction Problem. In Proceedings of LION4, Lecture Notes in Computer Science. Vol. 6073. Springer, 2010.
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M.Lombardi, M.Milano, A.Roli, A.Zanarini. Deriving information from sampling and diving, Lecture Notes in Computer Science, Vol. 5883. Springer, 2009.
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S.Montagna, A.Roli. Parameter tuning of a stochastic biological simulator by metaheuristics, Lecture Notes in Computer Science, Vol. 5883. Springer, 2009.
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L.Di Gaspero, A.Roli. Flexible stochastic local search for haplotype inference. In Proceedings of LIONIII, Lecture Notes in Computer Science, Vol.5851, Springer, 2009.
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S.Benedettini, A.Roli, L.Di Gaspero. EasyGenetic: A Template Metaprogramming Framework for Genetic Master-Slave Algorithms. In Engineering Stochastic Local Search Algorithms. Designing, Implementing and Analyzing Effective Heuristics,volume 5752 of Lecture Notes in Computer Science. Springer, 2009.
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S.Benedettini, L.Di Gaspero, A.Roli. Towards a highly scalable hybrid metaheuristic for haplotype inference under parsimony. In Proceedings of the 8th International Conference on Hybrid Intelligent Systems, HIS 2008, IEEE Computer Society Press, 2008. [Preprint]
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S.Benedettini, A.Roli, L.Di Gaspero. Two-level ACO for Haplotype Inference under pure parsimony. In Ant Colony Optimization and Swarm Intelligence - ANTS 2008, volume 5217 of Lecture Notes in Computer Science. Springer, 2008. [Preprint]
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L.Di Gaspero, A.Roli. EasyAnalyzer: an object-oriented framework for the experimental analysis of stochastic local search algorithms. In Engineering Stochastic Local Search Algorithms, volume 4638 of Lecture Notes in Computer Science. Springer, 2007. [pdf]
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L.Di Gaspero, G.di Tollo, A.Roli, A.Schaerf. Hybrid metaheuristics for portfolio selection problems. MIC 2007 - Metaheuristics International Conference. Montreal, June 2007.
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L.Di Gaspero, G.di Tollo, A.Roli, A.Schaerf. Hybrid Local Search for Constrained Financial Portfolio Selection Problems. In Proceedings of CPAIOR 2007, volume 4510 of Lecture Notes in Computer Science. Springer, 2007. [Preprint]
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A.Roli. On the impact of small-world on local search. In Proceedings of the 9th Congress of the Italian Association for Artificial Intelligence, Milano, Sept. 2005. In vol. 3673 of Lecture Notes in Computer Science, Springer. [Preprint, improved version of the paper presented at LSCS04]
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A.Roli, M.Blesa and C.Blum. Random walk and parallelism in local search. MIC 2005 - Metaheuristics International Conference. Vienna, August 2005. [ps]
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C.Blum, M.Blesa and A.Roli. Combining ILS with an effective constructive heuristic for the application to error correcting code design. MIC 2005 - Metaheuristics International Conference. Vienna, August 2005. [pdf]
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S.Prestwich and A.Roli. Symmetry breaking and local search spaces. In Proceedings of CPAIOR 2005, volume 3524 of Lecture Notes in Computer Science. Springer, 2005. [Preprint]
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M.Mamei, A.Roli and F.Zambonelli. Dissipative Cellular Automata As Minimalist Distributed Systems: A Study On Emergent Behaviors. IEEE Eleventh Euromicro Conference on Parallel, Distributed and Network-Based Processing, Genova (Italia), 2003.
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F.Zambonelli, M.Mamei and A.Roli. What Can Cellular Automata Tell Us about the Behavior of Large Multi-agent Systems?. In Lecture notes in Computer Science, Vol. 2603. Springer 2002.
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A.Roli. Criticality and parallelism in structured SAT instances. CP 2002 - Eighth International Conference on Principles and Practice of Constraint Programming (LNCS 2470). [ps]
A longer version is available as LIA Technical Report LIA-02-006. [ps]
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A.Roli. Design of a new metaheuristic for MAXSAT problems (extended abstract). CP 2002 - Eighth International Conference on Principles and Practice of Constraint Programming (LNCS 2470). [ps]
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A.Roli, F.Zambonelli. Emergence of Macro Spatial Structures in Dissipative Cellular Automata. Proc. of ACRI2002: Fifth International Conference on Cellular Automata for Research and Industry (LNCS 2493). [ps]
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A.Roli. Impact of structure in parallel local search for SAT. SAT 2002 - Fifth International Symposium on the Theory and Applications of Satisfiability Testing. Cincinnati, Ohio, USA, 2002. [ps]
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A.Roli, C.Blum. Critical Parallelization of Local Search for MAX-SAT. AI*IA2001 - 7th Conference of the Italian Association for Artificial Intelligence, Bari, 2001. [ps © Springer] Lecture Notes in Artificial Intelligence (LNAI vol.2175), Springer.
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A.Roli, C.Blum, M.Dorigo. ACO for Maximal Constraint Satisfaction Problems. MIC'2001 - Metaheuristics International Conference. Porto, July 2001. [ps]
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C.Blum, A.Roli, M.Dorigo. HC-ACO: The Hyper-Cube Framework for Ant Colony Optimization. MIC'2001 - Metaheuristics International Conference. Porto, July 2001. [ps]
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M.Milano, A.Roli. Solving the Satisfiability Problem through Boolean Networks.
In Lecture notes in Artificial Intelligence, Vol. 1792. Springer 2000.
[pdf]
Workshop papers (refereed)
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A. Roli, S. Benedettini, M. Birattari, C. Pinciroli, R. Serra and M. Villani A preliminary study on BN-robots' dynamics (short paper). Proc. of the Italian Workshop on Artificial Life and Evolutionary Computation, WIVACE 2012. ISBN 978-88-903581-2-8.
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S. Benedettini, A. Roli, R. Serra and M. Villani. Automatic Design of Boolean Networks for Modelling Cell Differentiation. Proc. of the Italian Workshop on Artificial Life and Evolutionary Computation, WIVACE 2012. ISBN 978-88-903581-2-8.
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A.Roli, S.Benedettini, R.Serra and M.Villani. Analysis of attractor distances in Random Boolean Networks, in Neural Nets WIRN10 - Proceedings of the 20th Italian Workshop on Neural Nets, FAIA-KBIES book series, volume 226, IOS Press, 2011.
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A.Roli, R.Serra, S.Benedettini. Clustering di attrattori di reti booleane casuali (Attractors clustering in random Boolean networks), In Modelli, sistemi e applicazioni di Vita Artificiale e Computazione Evolutiva WIVACE 2009 (The Italian workshop on Artificial life and Evolutionary computation), Fridericiana editrice, 2009.
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A.Roli, C.Arcaroli, M.Lazzarini, S.Benedettini. Boolean Networks Design by Genetic Algorithms, Proceedings of the first workshop on Complexity, evolution and emergent intelligence, Reggio Emilia (Italia), December 2009. Available at the workshop webpage: www.aixia09.unimore.it/index.php/workshops/64. [Preprint]
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A.Roli, C.Blum. Tabu Search for the Founder Sequence Reconstruction Problem: A Preliminary Study. In Proceedings of the 3rd International Workshop on Practical Applications of Computational Biology and Bioinformatics (IWPACBB'09), volume 5518 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 2009. [Preprint]
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A.Roli, F.Vernocchi, R.Serra. Continuous network models of gene expression in knock-out experiments: A preliminary study
. In Artificial life and evolutionary computation - Proceedings of WIVACE 2008. World Scientific Publishing, 2008. [Preprint].
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L.Di Gaspero, A.Roli. Metaheuristics for the Haplotype Inference Problem: a preliminary analysis. In Proceedings of the 14th RCRA workshop Experimental Evaluation of Algorithms for Solving Problems with Combinatorial Explosion
Rome, 5-6 July 2007. [ps].
An extended version of the paper is available as LIA technical report LIA-07-006.
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L.Di Gaspero, G.di Tollo, A.Roli, A.Schaerf. A Hybrid Solver for Constrained Portfolio Selection Problems -preliminary report-. LION 2007 - Learning and Intelligent OptimizatioN Workshop. Trento, February 2007.
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A.Roli. Symmetry-breaking and local search. In Marco Gavanelli and Toni Mancini, editors. Atti della Giornata di Lavoro: Analisi sperimentale e benchmark di algoritmi per l'Intelligenza Artificiale, Università di Udine, Italy, June 23 2006. [ps]
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A.Roli. Links between complex networks and combinatorial optimization. In Marco Cadoli, Marco Gavanelli, and Toni Mancini, editors. Atti della Giornata di Lavoro: Analisi sperimentale e benchmark di algoritmi per l'Intelligenza Artificiale, Dipartimento di Ingegneria, Università di Ferrara, Italy, June 10 2005. [ps]
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A.Roli. Symmetry-Breaking and Local Search: A Case Study. SymCon'04 - 4th International Workshop on Symmetry and Constraint Satisfaction Problems [pdf]
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A.Roli. On the impact of small-word constraint graphs on local search. LSCS'04 - 1st International Workshop on Local Search Techniques in Constraint Satisfaction [ps]
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A.Roli. Problem Structure and Search: Empirical Results and Open Questions. Proceedings of CP-AI-OR'03 -- Fifth Int. Workshop on Integration of AI and OR techniques in Constraint Programming for Combinatorial Optimization Problems, Montreal (Canada), 2003. [pdf]
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A.Roli, P.Torroni. Logics, local search, and resource allocation. Short paper. In T.Vidal and P.Liberatore, eds., Proceedings of the STarting Artificial Intelligence Researchers Symposium (STAIRS'02), Lyon, France, July 22-23, 2002. [pdf]
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M.Milano, A.Roli. On the relation between complete and incomplete search: an informal discussion. Proceedings of CP-AI-OR'02 -- Fourth Int. Workshop on Integration of AI and OR techniques in Constraint Programming for Combinatorial Optimization Problems, Le Croisic (France), 2002. [ps]
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M.Milano, A.Roli. Boolean Networks-based Algorithms for the Satisfiability
Problem. Workshop on Experimental Analysis of Algorithms for Artificial Intelligence (16th of Dec. 1999). AI*IA working group on Knowledge Representation and Reasoning. [ps]
Technical Reports (a selection)
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A.Roli, C.Blum. Tabu Search for the Founder Sequence Reconstruction Problem: A Preliminary Study. LIA Technical Report LIA-09-004. [pdf]
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S.Benedettini, L.Di Gaspero, A.Roli. Genetic Master-Slave Algorithm for Haplotype Inference by Parsimony. LIA Technical Report LIA-09-003. [pdf]
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L.Di Gaspero, A.Roli. A preliminary analysis on metaheuristics methods applied to the Haplotype Inference Problem. LIA Technical Report LIA-07-006. [ps]
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A.Roli. Problem structure and multi-move local search: Results achieved and lines for further research. Technical report TR/IRIDIA/2004/24.01, IRIDIA, Université Libre de Bruxelles, Belgium.
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A.Roli. A note on a model of local search. Technical report TR/IRIDIA/2004/23.01, IRIDIA, Université Libre de Bruxelles, Belgium.
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A.Roli. Metaheuristics and Structure in Satisfiability Problems (PhD Thesis). LIA Technical Report LIA-03-005. [pdf]
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A.Roli. Criticality and parallelism in structured SAT instances. LIA Technical Report LIA-02-006. [ps]
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A.Roli, M.Milano. MAGMA: A Multiagent Architecture for Metaheuristics. LIA Technical Report 02-007, no. 60. [ps]
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F.Zambonelli, A.Roli. On the Emergence of Macro Spatial Structures in Dissipative Cellular Automata, and its Implications for Agent-Based Distributed Computing. DISMI-UNIMO Technical Report, University of Modena and Reggio Emilia, No. 14-2001, October 2001. [pdf]
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T.Stützle, H.Hoos, A.Roli. A review of the literature on local search algorithms for MAX-SAT. Technical report AIDA-01-02, Technische Universität Darmstadt . [ps]
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C.Blum, A.Roli. Metaheuristics in Combinatorial Optimization: Overview and Conceptual Comparison. Technical report TR/IRIDIA/2001-13, IRIDIA, Université Libre de Bruxelles, Belgium. [ps]
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A.Roli. Reti booleane:un'applicazione ai problemi di soddisfacibilità (Boolean Networks: application to the Satisfiability Problem).
Laurea thesis, in Italian.