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A Model for Foraging Ants, Controlled by Spiking Neural Networks and Double Pheromones


Sep 18, 2015
Cristian Jimenez-Romero, David Sousa-Rodrigues, Jeffrey H. Johnson, Vitorino Ramos

* This work has been accepted for presentation at the UK Workshop on Computational Intelligence --- University of Exeter, September 2015 http://www.ukci2015.ex.ac.uk/ 

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Traversing News with Ant Colony Optimisation and Negative Pheromones


May 24, 2014
David M. S. Rodrigues, Vitorino Ramos

* accepted as preprint for oral presentation at ECCS'14 in Lucca, Italy 

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Second Order Swarm Intelligence


Jun 13, 2013
Vitorino Ramos, David M. S. Rodrigues, Jorge Louçã

* 10 pages, 5 figures, accepted to International Conference on Hybrid Artificial Intelligence Systems (HAIS 2013), Lecture Notes in Artificial Intelligence, LNAI Springer Series 

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Computational Chemotaxis in Ants and Bacteria over Dynamic Environments


Dec 05, 2007
Vitorino Ramos, C. M. Fernandes, A. C. Rosa, A. Abraham

* 8 pages, 6 figures, in CEC 07 - IEEE Congress on Evolutionary Computation, ISBN 1-4244-1340-0, pp. 1009-1017, Sep. 2007 

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Self-Regulated Artificial Ant Colonies on Digital Image Habitats


Dec 01, 2005
Carlos Fernandes, Vitorino Ramos, Agostinho C. Rosa

* in International Journal of Lateral Computing, IJLC, vol. 2 (1), pp. 1-8, ISSN 0973-208X, Dec. 2005 
* 8 pages, 17 figures, full pictures in http://alfa.ist.utl.pt/~cvrm/staff/vramos/Vramos-WCLC05b.pdf 

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Societal Implicit Memory and his Speed on Tracking Extrema over Dynamic Environments using Self-Regulatory Swarms


Dec 01, 2005
Vitorino Ramos, Carlos Fernandes, Agostinho C. Rosa

* 20 pages, 25 figures, http://alfa.ist.utl.pt/~cvrm/staff/vramos . Draft submitted to Journal of Systems Architecture, Farooq M. and Menezes R. (Eds.), Special issue on Nature Inspired Applied Systems, Elsevier, 2006 

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On Self-Regulated Swarms, Societal Memory, Speed and Dynamics


Dec 01, 2005
Vitorino Ramos, Carlos Fernandes, Agostinho C. Rosa

* 11 pages, 8 figures, http://alfa.ist.utl.pt/~cvrm/staff/vramos/refs_2005.html, KEYWORDS: Dynamic Optimization, Dynamic Optimal Control problems, Swarm Intelligence, Self-Organization, Societal Implicit Memory. Submitted to ALIFE-X, Int. Conf. on the Simulation and Synthesis of Living Systems, Bloomington, Indiana, USA, June 3-7, 2006 

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Less is More - Genetic Optimisation of Nearest Neighbour Classifiers


Dec 17, 2004
Vitorino Ramos, Fernando Muge

* Proc. RecPad 98 - 10th Portuguese Conference on Pattern Recognition, F.Muge, C.Pinto and M.Piedade Eds., ISBN 972-97711-0-3, pp. 293-301, Lisbon, March 1998 
* 9 pages, 7 figures, Author at http://alfa.ist.utl.pt/~cvrm/staff/vramos/ref_13.html 

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From Feature Extraction to Classification: A multidisciplinary Approach applied to Portuguese Granites


Dec 17, 2004
Vitorino Ramos, Pedro Pina, Fernando Muge

* SCIA 99, 11th Scandinavian Conf. on Image Analysis, ISBN 87-88306-42-9, Vol.2, pp. 817-824, Kangerlussuaq, Greenland, 7-11, June 1999 
* 8 pages, 6 figures, Author at http://alfa.ist.utl.pt/~cvrm/staff/vramos/ref_21.html 

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On Image Filtering, Noise and Morphological Size Intensity Diagrams


Dec 17, 2004
Vitorino Ramos, Fernando Muge

* RecPad 2000 - 11th Portuguese Conf. on Pattern Recognition, in Aurelio C. Campilho and A.M. Mendonca (Eds.), ISBN 972-96883-2-5, pp. 483-491, Porto, Portugal, May 11-12, 2000 
* 9 pages, 4 figures, Author at http://alfa.ist.utl.pt/~cvrm/staff/vramos/ref_25.html 

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