@inproceedings{LamRigPer02-CMSRA02-IC, author = {Evelina Lamma and Fabrizio Riguzzi and Lu\'\i{}s Moniz Pereira}, title = {Belief Revision via {L}amarckian Evolution}, booktitle = {Second International Workshop on Computational Models of Scientific Reasoning And Applications (II CMSRA) held at IC-AI 2002 Conference, Monte Carlo Resort, Las Vegas, Nevada, USA, June 27, 2002}, editor = {Claudio Delrieux}, abstract = {We present a genetic algorithm for performing belief revision in a multi-agent environment. In this setting, different individuals are exposed to different experiences. This may happen because the world surrounding an agent changes over time or because we allow agents exploring different parts of the world. The algorithm permits the exchange of chromosomes from different agents and combines two different evolution strategies, one based on Darwin's and the other on Lamarck's evolutionary theory. Experiments on a problem of digital circuit diagnosis and on the $n$-queen problem show that the addition of the Lamarckian operator in the single agent case improves the fitness of the best solution, even if in the digital circuit case the fitness difference is not significant. Moreover, the experiments show that the distribution of constraints, even if it leads to a decrease of the fitness of the best solution, does not produce a significant difference.}, year = {2002}, publisher = {CSREA}, address = {Bogart, Georgia, \USA}, keywords = {Genetic Algorithms,Theory Revision}, month = jun, pages = {1--7}, http = {http://www.lip.uns.edu.ar/cmsra/lamma.pdf}, pdf = {http://ml.unife.it/wp-content/uploads/Papers/LamRigPer-CMSRA02.pdf} }
@inproceedings{LamModRig02-CBMS02-IC, author = {Evelina Lamma and Giuseppe Modestino and Fabrizio Riguzzi and Sergio Storari and Paola Mello and Annamaria Nanetti}, title = {An Intelligent Medical System for Microbiological Data Validation and Nosocomial Infection Surveillance}, booktitle = {The 15th International Conference on Computer Based Medical Systems (CBMS 2002), Maribor, Slovenia, 4-7 June 2002}, year = {2002}, publisher = {{IEEE} Press}, address = {Los Alamitos, California, \USA}, pages = {13--20}, month = jun, editor = {Kokol, P. and Stiglic, B. and Zorman, M. and Zazula, D. }, pdf = {http://ml.unife.it/wp-content/uploads/Papers/LamRigPer-CBMS02.pdf}, url = {http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=1011348&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D1011348}, doi = {10.1109/CBMS.2002.1011348}, isbn = {0769516149} }
@inproceedings{AlbLam02-ECAI-IC, author = {Marco Alberti and Evelina Lamma}, title = {Synthesis of Object Models from Partial Models: a {CSP} Perspective}, booktitle = {Proceedings of the Fifteenth European Conference on Artificial Intelligence (ECAI 2002)}, pages = {116-120}, year = {2002}, editor = {Frank van Harmelen}, volume = {77}, series = {Frontiers in Artificial Intelligence and Applications}, month = {July}, publisher = {IOS Press}, abstract = {In this work we present an approach for the synthesis of object models (expressed as Constraint Satisfaction Problems, CSPs) from views or partial models (expressed, in their turn, as CSPs as well). The approach we propose is general enough to consider different types of features and relationships in the views. This is achieved by introducing the notion of model representation, where features, relationships and their domains are expressed. The (complete) model can be synthesized through a proper algorithm, which provides a albeling between the (complete) model and the partial models' components. The generated CSP representing the synthesized model must satisfy (or, better, entail) any constraint among features and any relationship occurring in each partial model. The framework is applied for synthesizing object models (i.e., CSP descriptions). We provide two basic approaches for synthesizing a minimal or a correct model, and we experiment them by considering some case studies in artificial vision.}, isbn = { 978-1-58603-257-9} }
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