People
Ana Maria Carvalho de Almeida
Address
Centro de Informática e Sistemas da Universidade de CoimbraDep. De Informática, Pólo II - Pinhal de Marrocos
3030-290 Coimbra
Portugal
Other Info:
Assistant Professor ISCTE Instituto Universitário de Lisboa
Member
Cognitive and Media SystemsResearch interests
Combinatorial OptimizationComplexity Theory
Algorithms and Data Structures
Feature Extraction, Pattern Recognition, Data Modelling and Analysis
Problem Modelling
Affiliation
ISCTE-IUL Instituto Universitário de LisboaCISUC
Short Bio
Mathematician & Computer Scientist but essentially an eager learner of the universe!National Projects
App Sentinel - Cloud-based Anti Malware Technology for Android App Stores
Past Projects
iTEAM
TICE.MOBILIDADE - Sistemas de Mobilidade Centrado no Utilizador
Eco circuitos
iCIS - Intelligent Computing in the Internet of Services
Books
2001
(1 publication)Journal Articles
2019
(1 publication)- António, N. and Ana Maria de Almeida and Nunes, L. , "Hotel booking demand datasets", Data in Brief, vol. 22, pp. 41-49, 2019 [ DOI ]
2018
(3 publications)- António, N. and Ana Maria de Almeida and Nunes, L. and Batista, F. and Ribeiro, R. , "Hotel online reviews: different languages, different opinions", Information Technology & Tourism, 2018 [ DOI ]
- Santos, F. and , K.K. and Ana Maria de Almeida and Eloy, S. and Taborda, B. , "Alternative shaper: a model for automatic design generation", Formal Aspects of Computing, 2018 [ DOI ]
- António, N. and Ana Maria de Almeida and Nunes, L. and Batista, F. and Ribeiro, R. , "Hotel online reviews: creating a multi-source aggregated index", International Journal of Contemporary Hospitality Management, 2018 [ DOI ]
2017
(1 publication)- António, N. and Ana Maria de Almeida and Nunes, L. , "Predicting hotel booking cancellations to decrease uncertainty and increase revenue", Tourism & Management Studies, vol. 13, pp. 25-39, 2017 [ DOI ]
2016
(1 publication)- Salgueiro, R. and Ana Maria de Almeida and Oliveira, O. , "New genetic algorithm approach for the min-degree constrained minimum spanning tree", European Journal of Operational Research, vol. 258, pp. 877-886, 2016 [ DOI ]
2015
(1 publication)- Figueiredo, M. and Ribeiro, B. and Ana Maria de Almeida , "Analysis of Trends in Seasonal Electrical Energy Consumption via Non-negative Tensor Factorization,", Neurocomputing, Elsevier, vol. 170, pp. 318-327, 2015 [ DOI ]
2014
(2 publications)- Figueiredo, M. and Ribeiro, B. and Ana Maria de Almeida , "Electrical signal source separation via non-negative tensor factorization using on-site measurements in a smart home", IEEE Transactions on Instrumentation and Measurement, vol. 63, pp. 364-373, 2014 [ DOI ]
- Garrido, R. and Bastos, A. and Ana Maria de Almeida and Elvas, J.P. , "Prediction of Road Accident Severity Using the Ordered Probit Model", Transportation Research Procedia, vol. 3, pp. 214-223, 2014 [ DOI ]
2012
(2 publications)- Ana Maria de Almeida and Souza, M. and Martins, P.C. , "Min-Degree Constrained Minimum Spanning Tree Problem: Complexity, properties and formulations", ITOR International transactions in Operational Research, vol. 19, pp. 323-352, 2012
- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "Home Electrical Signal Disaggregation for Non-intrusive Load Monitoring (NILM) Systems", Neurocomputing, Elsevier, vol. 96, pp. 66-73, 2012 [ DOI ]
2010
(1 publication)2003
(1 publication)- Ana Maria de Almeida and Rodrigues, R. , "Trees, slices and wheels: on the floorplan area minimization problem", Networks, vol. 41, pp. 235-244, 2003 [ DOI ]
2000
(1 publication)1998
(1 publication)Conference Articles
2018
(3 publications)- Taborda, B. and Ana Maria de Almeida and Santos, F. and Eloy, S. and , K.K. , "Shaper-GA: Automatic shape generation for modular house design", in GECCO-The Genetic and Evolutionary Computation Conference 2018, 2018 [ DOI ]
- Pascoal, R. and Alturas, B. and Ana Maria de Almeida and Sofia, R. , "A survey of augmented reality: Making technology acceptable in outdoor environments", in 2018 13th Iberian Conference on Information Systems and Technologies (CISTI), 2018 [ DOI ]
- Rhongo, D. and Ana Maria de Almeida and David, N. , "eGovernment in Mozambique: Past, Future and New Prospects", in IST-Africa 2018, 2018
2017
(4 publications)- Roza, V. and Ana Maria de Almeida and Postolache, O. , "Design of an Artificial Neural Network and Feature Extraction to Identify Arrhythmias from ECG", in 2017 IEEE International Symposium on Medical Measurements and Applications (MeMeA), 2017 [ DOI ]
- Pascoal, R. and Ribeiro, R. and Batista, F. and Ana Maria de Almeida , "Adapting Speech Recognition in Augmented Reality for Mobile Devices in Outdoor Environments", in SLATE'17 Symposium on Languages Applications and Technologies, 2017
- António, N. and Ana Maria de Almeida and Nunes, L. , "Predicting Hotel Bookings Cancellation With a Machine Learning Classification Model", in 16th IEEE International Conference on Machine Learning and Applications, 2017 [ DOI ]
- António, N. and Ana Maria de Almeida and Nunes, L. , " Enabling bookings cancellation prediction with data science", in 4th World Research Summit for Tourism and Hospitality , 2017
2016
(3 publications)- António, N. and Nunes, L. and Ana Maria de Almeida , "Predicting hotel booking cancellations to decrease uncertainty and increase revenue", in TMS Algarve 2016 - Tourism and Management Studies International Conference , 2016
- Ana Maria de Almeida and Taborda, B. and Santos, F. and , K.K. and Eloy, S. , "A genetic algorithm application for automatic layout design of modular residential homes", in IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2016 , 2016 [ DOI ]
- , K.K. and Santos, F. and Ana Maria de Almeida and Taborda, B. and Eloy, S. , "Wood Mass-Customized Housing: A dual computer implementation design strategy", in 34th eCAADe Conference - Complexity & Simplicity , 2016 [ DOI ]
2015
(1 publication)- Ana Maria de Almeida , "Non-negative Matrix Factorization using posrank-based approximation decompositions", in EUROCON 2015 - International Conference on Computer as a Tool (EUROCON), IEEE, 2015 [ DOI ]
2014
(4 publications)- Rhongo, D. and Ana Maria de Almeida and David, N. , "MOBILE GOVERNMENT COMO ALTERNATIVA PARA INCLUSÃO DIGITAL E REFORÇO DA DISSEMINAÇÃO DO E-GOVERNMENT E E-GOVERNANCE EM MOÇAMBIQUE", in 7º Congresso Luso - Moçambicano de Engenharia, 2014
- Figueiredo, M. and Ribeiro, B. and Ana Maria de Almeida , "Exploring the Performance of Non-negative Multi-way Factorization for Household Electrical Seasonal Consumption Disaggregation", in IEEE International Joint Conference on Neural Networks (IJCNN) , 2014
- Bastos, A. and Ana Maria de Almeida and Garrido, R. and Elvas, J.P. , "Prediction of road accident severity using the ordered probit model", in Euro Working Group on Transportation 2014, 2014
- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "On the Optimization of Appliance Loads Inferred by Probabilistic Models", in NILM Workshop 2014, 2014
2013
(4 publications)- Figueiredo, M. and Ribeiro, B. and Ana Maria de Almeida , "On the regularization parameter selection for sparse code learning in electrical source separation", in Proc. Intl. Conf. on Adaptive and Natural Computing Algorithms, pp. 277-286, LNCS 7824, 2013
- Figueiredo, M. and Ribeiro, B. and Ana Maria de Almeida , "Forecasting the Usage of Home Appliances with Denoised Signal Patterns", in 19th edition of the Portuguese Conference on Pattern Recognition., 2013
- Ilharco, A. and Bastos, A. and Elvas, J.P. and Ana Maria de Almeida , "Generation of road accident risk maps", in CITTA 6th Annual Conference on Planning Research, 2013
- Rhongo, D. and David, N. and Ana Maria de Almeida , "Métodos de Implementação de e-Government em Países em vias de desenvolvimento", in 3ª Conferência Nacional sobre Ciência e Tecnologia, 2013
2012
(3 publications)- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "Another perspective on NILM systems for informed energy consumer behavior", in International Workshop on Energy Efficiency for a More Sustainable World, September, 2012, 2012
- Ana Maria de Almeida and Figueiredo, M. and Ribeiro, B. , "Non Intrusive Load Monitoring Revisited", in PCEEE Portugal em Conferencia para uma Europa Energeticamente Inteligente, Portugal, Junho 2012, 2012
- Ana Maria de Almeida and Salgueiro, R. and Oliveira, O. , "Min-Degree Constrained MST Problem: an evolutionary approach", in International Conference on Bioinspired Optimization Methods and their Applications, 2012
2011
(8 publications)- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "An Experimental Study on Electrical Signature Identification of non-intrusive load monitoring (NILM) systems", in Proc Intl Conf on Adaptive and Natural Computing Algorithms, pp 31-40, Part II, LNCS 6594, 2011
- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "Non-intrusive Residential Electrical Consumption Traces", in Ambient Intelligence - Software and Applications - 2nd International Symposium on Ambient Intelligence, (ISAmI2011), Springer, Vol. 92,pp. 51-58, 2011 (DOI: 10.1007/978-3-642-19937-0_7), 2011
- Ana Maria de Almeida , "About Nonnegative Matrix Factorization: on the posrank approximation", in Proc Intl Conf on Adaptive and Natural Computing Algorithms, Part II, LNCS 6594, 2011, 2011
- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "Wavelet Decomposition and Singular Spectrum Analysis for Electrical Signal Denoising", in Proc of the IEEE Intl Conf on Systems, Man and Cybernetics (SMC2011), pp.3329-3334, 2011 (DOI: 10.1109/ICSMC.2011.6084183), 2011
- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "Smart Home: A Novel Model for Denoising an Electrical Signal", in Proc of Intelligent Systems Design and Applications (ISDA 2011) pp.784-789, 2011 (DOI: 10.1109/ISDA.2011.6121752), 2011
- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. , "Impact of Temporal Window-size on Pattern Denoising of a Smart Home Electrical Signal", in 17th Portuguese Conference on Pattern Recognition (RecPad), 2011
- Ana Maria de Almeida , "On an optimization model for Approximate Nonnegative Matrix Factorization", in ISCIES - International Symposium on Computational Intelligence for Engineering System, 2011
- Ana Maria de Almeida and Ben-Akiva, M. and Pereira, F.C. and Ghauche, A. and Guevara, C.A. and Niza, S. and Zegras, C. , "The virtual city with real decisions: iTEAM", in 7VCT, 7th Virtual Cities and Territories,, 2011
2010
(3 publications)- Ana Maria de Almeida and Souza, M. and Martins, P.C. , "The md-MST Problem is NP-hard for d >= 3", in ISCO 2010 International Symposium in Combinatorial Optimization, , Electronic Notes in Discrete Mathematics, 36:9-15, 2010, 2010
- Figueiredo, M. and Ana Maria de Almeida and Ribeiro, B. and Martins, A. , "Extracting features from an electrical signal of a non-intrusive load monitoring system", in Proc Int Conf on Intelligent Data Engineering and Automated Learning, pp 210-217, LNCS 6283, 2010
- Ana Maria de Almeida and Figueiredo, M. , "On the three-dimensional bin packing using rotations", in EngOpt - International Conference on Engineering Optimization, Electronic Notes in Discrete Mathematics, 36:9-15, 2010, 2010
2009
(3 publications)- Ana Maria de Almeida and Fernandes, J. and Pascoal, M.M.B. and Pereira, S.S. , "Experimental learning in Sciences: getting the lab inside the classroom using the Web", in ICALT 2009, the 9th IEEE International Conference on Advanced Learning Technologies, 2009
- Ana Maria de Almeida and Júdice, J. and Fernandes, L. and Patrício, J. , "On the computation of a nonnegative matrix factorization and its application in telecommunications,", in Conftele 2009, The 7th Conference on Telecommunications, 2009
- Ana Maria de Almeida and Ben-Akiva, M. and Pereira, F.C. and Ghauche, A. and Guevara, C.A. and Niza, S. and Zegras, C. , "A Framework for Integrated Modeling of Urban Systems", in ISOCARP 2009, 2009
2008
(4 publications)- Pacheco, A.I.N.d.B.d.A. and Gomes, A. and Henriques, J.G. and Ana Maria de Almeida and Antonio Jose Mendes , "Mathematics and Programming: Some studies", in International Conference on Computer Systems and Technologies - CompSysTech08, vol. 374, 2008
- Pacheco, A.I.N.d.B.d.A. and Gomes, A. and Henriques, J.G. and Ana Maria de Almeida and Antonio Jose Mendes , "A study on basic mathematics knowledge for the enhancement of programming learning skills", in Informatics Education Europe III - IEEIII08, 2008
- Pereira, S.S. and Ana Maria de Almeida and Marcelino, M.J.P. , "Teaching Mathematics supported by a web-based project and real data", in E_Learn 2008 World Conference in E-Learning in Corporate Government, Health Care, & Higher Education, 2008
- Pereira, S.S. and Ana Maria de Almeida and Fernandes, J. and Marcelino, M.J.P. , "STUDYING THE SUN IN THE CLASSROOM USING A SCIENTIFIC EXPERIMENTAL APPROACH", in EDMEDIA08 â?? World Conference on Educational Multimedia, Hypermedia & Telecommunications,, 2008
Book Chapters
2016
(1 publication)- António, N. and Ana Maria de Almeida and Nunes, L. , "Using Data Science to Predict Hotel Booking Cancellations", in Handbook of Research on Holistic Optimization Techniques in the Hospitality, Tourism, and Travel Industry, vol. 1, pp. 141-167, 2016 [ DOI ]