Multiscale fitting procedure using Markov modulated Poisson processes P Salvador, R Valadas, A Pacheco Telecommunication systems 23 (1-2), 123-148, 2003 | 179 | 2003 |

Robust feature selection and robust PCA for internet traffic anomaly detection C Pascoal, MR De Oliveira, R Valadas, P Filzmoser, P Salvador, ... 2012 Proceedings Ieee Infocom, 1755-1763, 2012 | 107 | 2012 |

Modeling IP traffic: joint characterization of packet arrivals and packet sizes using BMAPs P Salvador, A Pacheco, R Valadas Computer Networks 44 (3), 335-352, 2004 | 104 | 2004 |

Markov-modulated processes and semiregenerative phenomena A Pacheco, LC Tang, NU Prabhu World Scientific, 2008 | 82 | 2008 |

Comparison of level-crossing times for Markov and semi-Markov processes F Ferreira, A Pacheco Statistics & probability letters 77 (2), 151-157, 2007 | 73 | 2007 |

Probabilistic situation calculus P Mateus, A Pacheco, J Pinto, A Sernadas, C Sernadas Annals of Mathematics and Artificial Intelligence 32 (1-4), 393-431, 2001 | 66 | 2001 |

Theoretical evaluation of feature selection methods based on mutual information C Pascoal, MR Oliveira, A Pacheco, R Valadas Neurocomputing 226, 168-181, 2017 | 62 | 2017 |

Theoretical foundations of forward feature selection methods based on mutual information F Macedo, MR Oliveira, A Pacheco, R Valadas Neurocomputing 325, 67-89, 2019 | 59 | 2019 |

On the performance of combined *EWMA* schemes for *μ* and *σ*: a markovian approachMC Morais, A Pacheco Communications in Statistics-Simulation and Computation 29 (1), 153-174, 2000 | 50 | 2000 |

Markov-additive processes of arrivals A Pacheco, NU Prabhu Advances in queueing theory, methods, and open problems, 167-194, 1995 | 46 | 1995 |

Model checking expected time and expected reward formulae with random time bounds M Kwiatkowska, G Norman, A Pacheco Computers & Mathematics with Applications 51 (2), 305-316, 2006 | 43 | 2006 |

Modeling network traffic with multifractal behavior A Nogueira, P Salvador, R Valadas, A Pacheco Telecommunication Systems 24 (2-4), 339-362, 2003 | 38 | 2003 |

Classification of internet users using discriminant analysis and neural networks A Nogueira, MR de Oliveira, P Salvador, R Valadas, A Pacheco Next Generation Internet Networks, 2005, 341-348, 2005 | 31 | 2005 |

Queues with server vacations as a model for pretimed signalized urban traffic A Pacheco, ML Simőes, P Milheiro-Oliveira Transportation Science 51 (3), 841-851, 2017 | 30 | 2017 |

Fitting self-similar traffic by a superposition of MMPPs modeling the distribution at multiple time scales A Nogueira, P Salvador, R Valadas, A Pacheco IEICE Transactions on Communications 87 (3), 678-688, 2004 | 27 | 2004 |

Model checking CSL until formulae with random time bounds M Kwiatkowska, G Norman, A Pacheco Joint International Workshop von Process Algebra and Probabilistic Methods …, 2002 | 27 | 2002 |

A Markovian storage model A Pacheco, NU Prabhu The Annals of Applied Probability 6 (1), 76-91, 1996 | 25 | 1996 |

Analytically explicit results for the GI/C-MSP/1/∞ queueing system using roots ML Chaudhry, SK Samanta, A Pacheco Probability in the Engineering and Informational Sciences 26 (2), 221-244, 2012 | 23 | 2012 |

Consecutive customer losses in regular and oscillating *M*^{X}/*G*/1/*n* systemsA Pacheco, H Ribeiro Queueing Systems 58 (2), 121-136, 2008 | 22 | 2008 |

Detection of outliers using robust principal component analysis: A simulation study C Pascoal, MR Oliveira, A Pacheco, R Valadas Combining Soft Computing and Statistical Methods in Data Analysis, 499-507, 2010 | 21 | 2010 |