Artigos em Revistas Internacionais

• Antunes, Nelson; Jacinto, G.; Pacheco, António (2022)  Statistical inference in queueing networks with probing information . Queueing Systems: 100, 493-495.

• Oliveira, M. Rosário; Azeitona, M.; Pacheco, António; Valadas, Rui (2022)  Association measures for interval variables . Advances in Data Analysis and Classification: 16, 491-520.

• Macedo, Francisco; Valadas, Rui; Carrasquinha, E.; Oliveira, M. Rosário; Pacheco, António (2022)  Feature selection using Decomposed Mutual Information Maximization . Neurocomputing: 513, 215-232.

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2021)  Distribution of the number of losses in busy-periods of oscillating M-X/G/1/(n,a,b) systems . Computers & Operations Research: 129, 105180.

• Finamore, Anna; Jiménez, Haydée G. ; Casanova, Marco A.; Nunes, Bernardo P.; Moura Santos, Ana; Pacheco, António (2020)  A comparative analysis of two computer science degree offerings . Journal of the Brazilian Computer Society: 26, Article 3.

• Morais, M. C. ; Schmid, W.; Ramos, Patrícia F.; Lazariv, T.; Pacheco, António (2020)  Misleading signals in joint schemes for the mean vector and covariance matrix . Quality and Reliability Engineering International: 36, 642–651.

• Santos, M.; Morais, M. C. ; Pacheco, António (2019)  Comparing short and long-memory charts to monitor the traffic intensity of single server queues . Stochastics and Quality Control: 34, 9-18.

• Morais, M. C. ; Schmid, W.; Ramos, Patrícia F.; Lazariv, T.; Pacheco, António; Semeniuk, I. (2019)  Correction to: Comparison of joint control schemes for multivariate normal i.i.d. output . AStA Advances in Statistical Analysis: 103, 289-303.

• Morais, M. C. ; Schmid, W.; Ramos, Patrícia F.; Lazariv, T.; Pacheco, António (2019)  Comparison of joint control schemes for multivariate normal i.i.d. output . AStA Advances in Statistical Analysis: 103, 257-287.

• Macedo, Francisco; Oliveira, M. Rosário; Pacheco, António; Valadas, Rui (2019)  Theoretical foundations of forward feature selection methods based on mutual information . Neurocomputing: 325, 67-89.

• Santos, M.; Morais, M. C. ; Pacheco, António (2018)  Comparing short memory charts to monitor the traffic intensity of single server queues . Stochastics and Quality Control: 33, 1-21.

• Oliveira, M. Rosário; Vilela, M. ; Pacheco, António; Valadas, Rui; Salvador, P.  (2018)  Extracting Information from Interval Data Using Symbolic Principal Component Analysis . Austrian Journal of Statistics, (in press).

• Pascoal, C.; Oliveira, M. Rosário; Pacheco, António; Valadas, Rui (2017)  Theoretical evaluation of feature selection methods based on mutual information . Neurocomputing: 226, 168-181.

• Pacheco, António; Simões, Maria Lurdes; Milheiro-Oliveira, Paula (2017)  Queues with Server Vacations as a Model for Pretimed Signalized Urban Traffic . Transportation Science: 51(3).

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2017)  Moments of losses during busy-periods of regular and nonpreemptive oscillating MX/G/1/n systems . Annals of Operations Research: 252(1), 191–211.

• Morais, M. C. ; Pacheco, António (2016)  On stochastic ordering and control charts for traffic intensity . Sequential Analysis: 35, 536-559.

• Antunes, Nelson; Jacinto, G.; Pacheco, António; Wichelhaus, C. (2016)  Estimation of the traffic intensity in a piecewise-stationary Mt/Gt/1 queue with probing . ACM Sigmetrics Performance Evaluation Review: 44(2), 3-5.

• Morais, M. C. ; Pacheco, António (2016)  On hitting times for Markov time series of counts with applications to quality control . REVSTAT: 14, 455-479.

• Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2016)  On the misleading signals in simultaneous schemes for the mean vector and covariance matrix of multivariate i.i.d. output . Statistical Papers: 57, 471-498.

• Samanta, S.K.; Chaudhry, M.L.; Pacheco, António (2015)  Analysis of BMAP/MSP/1 queue . Methodology in Computing and Applied Probability, (in press).

• Antunes, Nelson; Jacinto, G.; Pacheco, António (2015)  Hop Count Distributions of the Furthest and Nearest Distance Routing Protocols in Mobile Ad Hoc Networks . SIAM Journal on Applied Mathematics: 75(2), 335–349.

• Samanta, S.K.; Chaudhry, M.L.; Pacheco, António; Gupta, U.C. (2015)  Analytic and computational analysis of the discrete-time GI/D-MSP/1 queue using roots . Computers & Operations Research: 56, 33–40.

• Morais, M. C. ; Ramos, Patrícia F.; Pacheco, António; Schmid, W. (2014)  On the impact of falsely assuming i.i.d. output in the probability of misleading signals . REVSTAT – Statistical Journal: 12(3), 221-245.

• Antunes, Nelson; Jacinto, G.; Pacheco, António (2013)  Probing a M/G/1 queue with general input and service times . ACM SIGMETRICS Performance Evaluation Review: 41(3), 34-36.

• Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, Wolfgang (2013)  Stochastic ordering in the qualitative assessment of the performance of simultaneous schemes for bivariate processes . Sequential Analysis-Design Methods and Applications: 32(2), 214-229.

• Kulikova, Maria; Pacheco, António (2013)  Kalman Filter Sensitivity Evaluation with Orthogonal and J-Orthogonal Transformations . IEEE Transactions on Automatic Control: 58(7), 1798-1804.

• Morais, M. C. ; Pacheco, António (2012)  A note on the aging properties of the run length of Markov-type control charts . Sequential Analysis-Design Methods and Applications: 31(1), 88-98.

• Chaudhry, M. L.; Samanta, S. K.; Pacheco, António (2012)  Analytically Explicit Results for the Gi/c-Msp/1/infinity Queueing System Using Roots . Probability in the Engineering and Informational Sciences: 26(2), 221-244.

• Pacheco, António; Samanta, S. K.; Chaudhry, M. L. (2012)  A Short Note on the Gi/geo/1 Queueing System . Statistics & Probability Letters: 82(2), 268-273.

• Ferreira, Fátima; Pacheco, António (2011)  Stochastic Ordering of Semi-Markov Processes . Lecture Notes in Computer Science: 5233, 393-422.

• Ferreira, Fátima; Pacheco, António; Teodoro, Filomena (2011)  Performance evaluation of airport taxi services provision . International Journal of Mathematical Modelling and Numerical Optimisation: 2(3), 297-312.

• Nogueira, A.; Salvador, P.; Valadas, Rui; Pacheco, António (2011)  Markovian modelling of Internet traffic . Lecture Notes in Computer Science: 5233, 98-124.

• Nogueira, Antonio; Salvador, Paulo; Valadas, Rui; Pacheco, António (2010)  Modeling Self-Similar Traffic Over Multiple Time Scales Based on Hierarchical Markovian and L-System Models . Computer Communications: 33, S3-S10.

• Antunes, Nelson; Jacinto, G.; Pacheco, António (2010)  An analytical framework to infer multihop path reliability in MANETs . ACM SIGMETRICS Performance Evaluation Review: 38(1), 323-332.

• Oliveira, M. Rosário; Pacheco, António; Pascoal, C.; Valadas, Rui; Salvador, P. (2009)  On the dependencies between Internet flow characteristics . Lecture Notes in Computer Science: 5464, 68-80.

• Knoth, Sven; Morais, M. C. ; Pacheco, António; Schmid, Wolfgang (2009)  Misleading signals in simultaneous residual schemes for the mean and variance of a stationary process . Communications in Statistics-Theory and Methods: 38(16-17), 2923-2943.

• Estepa, A.; Estepa, R.; Pacheco, António (2008)  Accurate resource estimation for generalized VoIP sources . Telecommunication Systems: 39(1), 37-50.

• Ferreira, Fátima; Pacheco, António (2008)  Analysis of GI^X/M(n)//N systems with stochastic customer acceptance policy . Queueing Systems: 58(1), 29-55.

• Morais, M. C. ; Okhrin, Y.; Pacheco, António; Schmid, W. (2008)  EWMA charts for multivariate output: some stochastic ordering results . Communications in Statistics - Theory and Methods: 37(16), 2653-2663.

• Pacheco, António; Ribeiro, Helena (2008)  Consecutive customer losses in regular and oscillating M^X/G/1/n systems . Queueing Systems. Theory and Applications.: 58(2), 121-136.

• Antunes, Nelson; Jacinto, G.; Pacheco, António (2008)  On the Minimum Hop Count and Connectivity in One-Dimensional ad Hoc Wireless Networks . Telecommunication Systems: 39(2), 137-143.

• Pacheco, António; Ribeiro, Helena (2008)  Moments of the duration of busy periods of M^X/G/1/n systems . Probability in the Engineering and Informational Sciences: 22(3), 347-354.

• Pacheco, António; Ribeiro, Helena (2008)  Consecutive customer losses in oscillating GI^(X)/M//n systems with state dependent services rates . Annals of Operations Research: 162(1), 143-158.

• Fernandes, E.; Pacheco, António; Penha-Gonçalves, C. (2007)  Mapping of quantitative trait loci using the skew-normal distribution . Journal of Zhejiang University SCIENCE B: 8(11), 792-801.

• Morais, M. C. ; Pacheco, António (2007)  Shewhart schemes with variable sampling intervals revisited . Sequential Analysis-Design Methods and Applications: 26(3), 265–282.

• Ferreira, Fátima; Pacheco, António (2007)  Comparison of Level-Crossing Times for Markov and Semi-Markov Processes . Statistics & Probability Letters: 77(2), 151-157.

• Oliveira, M. Rosário; Valadas, Rui; Pacheco, António; Salvador, P. (2007)  Cluster analysis of Internet users based on hourly traffic utilization . IEICE Transactions on Communications: E90-B(7), 1594-1607.

• Ferreira, Fátima; Pacheco, António (2006)  Analysis of GI/M/s/c queues using uniformization . Computers & Mathematics with Applications: 51(2), 291-304.

• Morais, M. C. ; Pacheco, António (2006)  Assessing the impact of head starts in the performance of one-sided Markov-type control schemes . Sequential Analysis-Design Methods and Applications: 25(4), 405-420.

• Kwiatkowska, M; Norman, G; Pacheco, António (2006)  Model Checking Expected Time and Expected Reward Formulae with Random Time Bounds . Computers & Mathematics with Applications: 51(2), 305-316.

• Morais, M. C. ; Okhrin, Y.; Pacheco, António; Schmid, W. (2006)  On the stochastic behaviour of the run length of EWMA control schemes for the mean of correlated output in the presence of shifts in sigma . Statistics & Decisions: 24, 1001-1018.

• Morais, M. C. ; Pacheco, António (2006)  Combined CUSUM-Shewhart schemes for binomial data . Economic Quality Control: 21(1), 43-57.

• Ferreira, Fátima; Pacheco, António (2005)  Level crossing ordering of semi-Markov processes and Markov chains . Journal of Applied Probability: 42(4), 989-1002.

• Antunes, Nelson; Nunes, Cláudia; Pacheco, António (2005)  Functionals of Markovian Branching D-Bmaps . Stochastic Models: 21(2-3), 261-278.

• Ferreira, Fátima; Pacheco, António (2005)  Level crossing ordering of skip-free to the right continuous time Markov chains. . Journal of Applied Probability: 42(1), 52-60.

• Salvador, P.; Nogueira, A.; Valadas, Rui; Pacheco, António (2004)  Multi-time-scale traffic modeling using Markovian and L-systems models . Lecture Notes in Computer Science: 3262, 297-306.

• Morais, M. C. ; Pacheco, António (2004)  A note on the ageing character of the run length of Markov-type quality control schemes . Journal of Applied Probability: 41(4), 1243-1247.

• Salvador, P..; Pacheco, António; Valadas, Rui (2004)  Modeling IP traffic: joint characterization of packet arrivals and packet arrivals using BMAPs . Computer Networks: 44(3), 335-352.

• Nogueira, A.; Salvador, P.; Valadas, Rui; Pacheco, António (2004)  Fitting self-similar traffic by a superposition of MMPPs modeling the distribution at multiple time scales . IEICE Transactions on Communications: E87-B(3), 678-688.

• Nogueira, A.; Salvador, P.; Valadas, Rui; Pacheco, António (2003)  Modeling self-similar traffic through Markov modulated Poisson processes over multiple time scales . Lecture Notes in Computer Science: 2720, 550-560.

• Mateus, P.; Morais, M. C. ; Nunes, Cláudia; Pacheco, António; Sernadas, A.; Sernadas, C. (2003)  Categorical foundations for randomly timed automata . Theoretical Computer Science: 308(1-3), 393-427.

• Salvador, P.; Valadas, Rui; Pacheco, António (2003)  Multiscale fitting procedure using Markov modulated Poisson processes . Telecommunication Systems: 23(1), 123-148.

• Nogueira, A.; Salvador, P.; Valadas, Rui; Pacheco, António (2003)  Modeling network traffic with multifractal behavior . Telecommunication Systems: 24(2), 339-362.

• Antunes, Nelson; Pacheco, António; Rocha, R. (2002)  An integrated traffic model for multimedia wireless networks . Computer Networks: 38(1), 25-41.

• Antunes, Nelson; Pacheco, António; Rocha, R. (2002)  A Markov renewal based model for wireless networks . Queueing Systems. Theory and Applications: 40, 247-281.

• Kwiatkowska, M.; Norman, G.; Pacheco, António (2002)  Model checking CSL Until Formulae with Random Time Bounds . Lecture Notes in Computer Science: 2399, 152-168.

• Mateus, P. ; Pacheco, António; Pinto, J. Pinto; Sernadas, A.; Sernadas, C. (2001)  Probabilistic situation calculus . Annals of Mathematics and Artificial Intelligence: 32(1/4), 393-43.

• Morais, M. C. ; Pacheco, António (2001)  Some stochastic properties of upper one-sided X-bar and EWMA charts for mu in the presence of shifts in sigma . Sequential Analysis-Design Methods and Applications: 20, 1-12.

• Antunes, Nelson; Pacheco, António; Rocha, R. (2000)  Traffic modeling for broadband wireless networks: the highway scenario . Advances in Performance Analysis: 3(2), 109-136.

• Morais, M. C. ; Pacheco, António (2000)  On the performance of combined EWMA schemes for mu and sigma: a Markovian approach . Communications in Statistics - Simulation and Computation: 29(1), 153-174.

• Morais, M. C. ; Pacheco, António (1999)  Counted data control charts sensitive to sudden increases of the summary statistic . REVSTAT (Statistical Review): 1, 25-45.

• Morais, M. C. ; Pacheco, António (1998)  Two stochastic properties of one-sided exponentially weighted moving average control charts . Communications in Statistics - Simulation and Computation: 27(4), 937–952.

• Antunes, Nelson; Rocha, R.; Pinto, P.; Pacheco, António (1998)  Impact of next-generation wireless networks requirements on teletraffic modeling . Interoperable Communication Network: 1(2-4), 706-715.

• Pacheco, António; Prabhu, N.U. (1996)  A Markovian storage model . The Annals of Applied Probability: 6(1), 76-91.

• Prabhu, N.U.; Pacheco, António (1995)  A storage model for data communication systems . Queueing Systems. Theory and Applications: 19(1-2), 1-40.

• Pacheco, António (1994)  Some properties of the delay probability in M/M/s/s+c systems . Queueing Systems. Theory and Applications: 15(1-4), 309-324.

• Pacheco, António (1994)  Second-order properties of the loss probability in M/M/s/s+c systems . Queueing Systems. Theory and Applications: 15(1-4), 289-308.

Livros

• Pacheco, António; Prabhu, N.U.; Tang, L.C. (2009)  Markov-Modulated Processes and Semiregenerative Phenomena . World Scientific, Singapore, 224 pp..

Artigos ou Capítulos em Livros Editados

• Subtil, Ana; Oliveira, M. Rosário; Valadas, Rui; Pacheco, António; Salvador, Paulo (2020)  Detecting Internet-Scale Traffic Redirection Attacks Using Latent Class Models . Advances in Intelligent Systems and Computing: 942, 370-380.

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2020)  Numbers of Served and Lost Customers in Busy-Periods of M/M/1/n Systems with Balking . Lecture Notes in Computer Science: 12251, 147-156.

• Macedo, Francisco; Milheiro-Oliveira, Paula; Pacheco, António; Simões, Maria Lurdes (2017)  Application of a Particular Class of Markov Chains in the Assessment of Semi-actuated Signalized Intersections . Lecture Notes in Computer Science: 10378, 138-151.

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2016)  On the blocking probability and loss rates in nonpreemptive oscillating queueing systems . Lecture Notes in Computer Science, Springer, Cham: 9845, 155-166.

• Morais, M. C. ; Ramos, Patrícia F.; Pacheco, António (2015)  Strategies to reduce the probability of a misleading signal . Frontiers in Statistical Quality Control (Vol. 11), 183-199.

• Jacinto, G.; Antunes, Nelson; Pacheco, António (2014)  Nearest Neighbor Connectivity in Two-Dimensional Multihop MANETs . New Advances in Statistical Modeling and Applications: Springer-Verlag, 85-94.

• Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2013)  Misleading signals in simultaneous residual schemes for the process mean and variance of AR(1) processes: a stochastic ordering approach . Advances in Regression, Survival Analysis, Extreme Values, Markov Processes and Other Statistical Applications, Springer Berlin Heidelberg, 173-182.

• Jacinto, G.; Antunes, Nelson; Pacheco, António (2013)  Modelling the duration of multihop paths in Mobile Ad Hoc Networks . Recent Developments in Modeling and Applications in Statistics, Springer Berlin Heidelberg, 249-260.

• Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2013)  Misleading signals in simultaneous schemes for the mean vector and covariance matrix of a bivariate process . Recent Developments in Modeling and Applications in Statistics Studies in Theoretical and Applied Statistics, Springer Berlin Heidelberg, 225–235.

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2013)  Distribution of the number of losses in busy-periods of M^X/G/1/n Systems . Advances in Regression, Survival Analysis, Extreme Values, Markov Processes and Other Statistical Applications, Springer Berlin Heidelberg, 163-171.

• Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2012)  Assessing the impact of autocorrelation in misleading signals in simultaneous residual schemes for the process mean and variance: a stochastic ordering approach . Frontiers in Statistical Quality Control 10, Physica-Verlag HD, 35–52.

• Pascoal, C.; Oliveira, M. Rosário; Pacheco, António; Valadas, Rui (2010)  Detection of Outliers Using Robust Principal Component Analysis: a Simulation Study . Advances in Intelligent and Soft Computing: 77, 499-507.

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2009)  Análise de sistemas oscilantes M^X/G/1/(n,a,b) . Estatística. Arte de Explicar o Acaso, Edições SPE, Lisboa, 233-244.

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2009)  Analysis of finite oscillating GI^X/M(m)//N queueing systems . Recent Advances in Stochastic Operations Research, World Scientific, Singapore, 79-98.

• Pacheco, António; Ribeiro, Helena (2009)  Momentos do número de perdas de clientes em períodos de ocupação contínua de sistemas oscilantes M/G/1/n (Moments of the number of losses in busy periods of finite oscillating M/G/1/n queueing systems) . Estatística. Arte de Explicar o Acaso, Edições SPE, Lisboa, 497-510.

• Ferreira, Fátima; Pacheco, António (2007)  An efficient approach to analyze finite buffer queues with generalized Pareto interarrival times and exponential . Recent Advances in Stochastic Operations Research, World Scientific, Singapore, 205-224.

• Pacheco, António; Ribeiro, Helena (2007)  Bursts and gaps of Markov renewal arrival processes . Recent Advances in Stochastic Operations Research, World Scientific, Singapore, 245-262.

• Ferreira, Fátima; Pacheco, António (2006)  Ordenação em excedência de nível de cadeias de Markov e processos semi-markovianos com espaço de estados ordenado (Level-crossing ordering of Markov chains and semi-Markov processes with ordered state space) . In L. Canto e Castro, E.G. Martins, C. Rocha, M.F. Oliveira, M.M. Leal, and F. Rosado, editors,Ciência Estatística: Edições SPE, Lisboa, 99-110.

• Morais, M. C. ; Pacheco, António (2006)  Ordenação estocástica (Stochastic ordering) . Ciência Estatística: Edições SPE, Lisboa, 81-84.

• Pacheco, António; Ribeiro, Helena (2006)  Sucessões markovianas com recompensas e visitas a conjuntos de estados em processos semi-markovianos (Markov-reward sequences and visits to sets of states in semi-Markov processes) . In L. Canto e Castro, E.G. Martins, C. Rocha, M.F. Oliveira, M.M. Leal, and F. Rosado, editors, Ciência Estatística: Edições SPE, Lisboa, 545-557.

• Morais, M. C. ; Pacheco, António (2006)  Misleading signals in joint schemes for mu and sigma . Frontiers in Statistical Quality Control (Vol. 8), 100-122.

• Morais, M. C. ; Pacheco, António (2006)  Ordenação estocástica: da curva de Lorenz ao controlo de qualidade (Stochastic ordering: from the Lorenz curve to quality control) . Ciência Estatística: Edições SPE, Lisboa, 85-98.

• Jacinto, G.; Pacheco, António; Antunes, Nelson (2005)  Avaliação de medidas de controlo de redes de comunicação sem fios (Evaluation of control measures for wireless communication networks) . In C.A. Braumann, P. Infante, M.M. Oliveira, R. Alpizar-Jara, and F. Rosado, editors, Estatística Jubilar: Edições SPE, Lisboa, 379-390.

• Ferreira, Fátima; Pacheco, António (2005)  Ordenação estocástica em excedência de nível de processos semi-markovianos (Level-crossing ordering of semi-Markov processes) . In C.A. Braumann, P. Infante, M.M. Oliveira, R. Alpizar-Jara, and F. Rosado, editors,Estatística Jubilar: Edições SPE, Lisboa, 281-292.

• Pacheco, António; Ribeiro, Helena (2005)  Visitas a conjuntos de estados em processos semi-markovianos (Visits to set of states in semi-Markov processes) . In C.A. Braumann, P. Infante, M.M. Oliveira, R. Alpizar-Jara, and F. Rosado, editors, Estatística Jubilar: Edições SPE, Lisboa, 537-548.

• Morais, M. C. ; Pacheco, António (2004)  Taxas de alarme de esquemas de controlo markovianos (Alarm rates in Markovian control schemes) . Estatística com Acaso e Necessidade: Edições SPE, Lisboa, 483-491.

• Nunes, Cláudia; Pacheco, António (2004)  Cadeias Markov moduladas (Markov modulated chains) . In P.M.M. Rodrigues, E.L. Rebelo and F. Rosado, editors, Estatística com Acaso e Necessidade: Edições SPE, Lisboa, 529-540.

• Jacinto, G.; Pacheco, António; Antunes, Nelson (2004)  Modelo adaptativo de partilha de largura de banda em cenário de auto-estrada (Bandwidth sharing model in a highway scenario) . In P.M.M. Rodrigues, E.L. Rebelo, and F. Rosado, editors, Estatística com Acaso e Necessidade: Edições SPE, Lisboa, 349-360.

• Morais, M. C. ; Pacheco, António (2004)  A note on stochastic ordering criteria in SPC for the case of correlated output . Frontiers in Statistical Quality Control (Vol. 7), 237–260.

• Ferreira, Fátima; Pacheco, António (2004)  Análise de sistemas GI^B/M/s/c via ordenação estocástica (Analysis of GI^B/M/s/c via stochastic ordering) . In P.M.M. Rodrigues, E.L. Rebelo, and F. Rosado, editors, Estatística com Acaso e Necessidade: Edições SPE, Lisboa, 213-224.

• Ferreira, Fátima; Pacheco, António (2003)  Análise de filas GI/M/s/c utilizando uniformização (Analysis of GI/M/s/c queues using uniformization). . In P. Brito, A. Figueiredo, F. Sousa, P. Teles, and F. Rosado, editors, Literacia e Estatística: Edições SPE, Lisboa, 261-272.

• Nunes, Cláudia; Pacheco, António (2002)  Sojourn and passage times in Markov chains . In G. Latouche and P. Taylor, editors, Matrix-Analytic Methods Theory and Applications: World Scientific, New Jersey, 311-332.

• Nunes, Cláudia; Pacheco, António (2001)  Estimação dos estados da cadeia de Markov de um MMPP (State estimation of the Markov chain of an MMPP) . In P. Oliveira and E. Athayde, editors, Um Olhar Sobre a Estatística: Edições SPE, Lisboa, 238-247.

• Morais, M. C. ; Pacheco, António (2001)  Ordenação estocástica na análise de desempenho de esquemas de controlo de qualidade (Stochastic ordering in the performance analysis of quality control schemes) . A Estatística em Movimento: Edições SPE, Lisboa, 247-260.

• Morais, M. C. ; Pacheco, António (2001)  Misleading signals em esquemas combinados EWMA para mu e sigma (Misleading signals in combined EWMA schemes for mu and sigma) . Um Olhar Sobre a Estatística: Edições SPE, Lisboa, 334-348.

• Morais, M. C. ; Pacheco, António (1999)  Comparação estocástica de tempos de primeira passagem: uma aplicação a controlo de qualidade, fiabilidade e filas de espera (Stochastic comparison of first passage times: an application to quality control, reliability and queues) . Afirmar a Estatística: Um Desafio para o Século XXI: Edições SPE, Lisboa, 303-314.

• Morais, M. C. ; Pacheco, António (1998)  Ordenação estocástica: Um pouco de história e aplicações (On the history and applications of stochastic ordering) . Estatística: A Diversidade na Unidade: Edições Salamandra, Lisboa, 221-235.

• Nunes, Cláudia; Pacheco, António (1998)  Martingalas: uma ferramenta em inferência estatística (Martingales and statistical inference) . In M. Souto de Miranda and I. Pereira, editors, Estatística: A Diversidade na Unidade: Edições Salamandra, Lisboa, 393-403.

• Pacheco, António (1997)  Uma equação de modelos de inventário em tempo contínuo (A storage equation on continuous time) . In R. Vasconcelos, I. Fraga Alves, L. Canto e Castro, and D. Pestana, editors, A Estatística a Decifrar o Mundo: Edições Salamandra, Lisboa, 217-230.

• Pacheco, António; Prabhu, N.U. (1995)  Markov-additive processes of arrivals . In J.H. Dshalalow, editor, Advances in Queueing: Theory, Methods and Open Problems, Chap. 6: CRC, Boca Raton, Florida, 167-194.

Comunicações em Actas de Conferência

• Finamore, Anna; A. Moura Santos; Nunes, B.P.; Pacheco, António (2016)  A Case Study of a Probability and Statistics Course: Improving Students’ Performance with Formative Assessment . Proceedings of TEFA 2016 (3rd Workshop on Technology-Enhanced Formative Assessment, 16 September 2016, Lyon, France.

• Finamore, Anna; A. Moura Santos; Nunes, B.P.; Pacheco, António (2016)  Probabilidades e Estatística: como conseguir uma experiência de aprendizagem gratificante? . Atas de CNaPPES 2016: Congresso Nacional de Práticas Pedagógicas no Ensino Superior, Lisboa, Portugal, 14-15, 417-426.

• Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2016)  On the influence of control statistics in the performance of joint schemes for location and spread . Proceedings of the 10th Workshop on Statistics, Mathematics and Computation.

• Boscarino, S.; Goetz, T.; Heilio, M.; Hjorth, P.; Jablonska-Sabuka, M.; Jurlewicz, A.; Khoury, N.; Nunes, Cláudia; Pacheco, António; Rocha, J.; Romano, V.; Russo, G.; Serna, S. (2016)  Modeling Clinic for Industrial Mathematics: A collaborative project under Erasmus+ program . Proceedings of ECMI2016 (19th European Conference on Mathematics for Industry), 13-17 June 2016, Santiago de Compostela, Spain.

• Oliveira, M. Rosário; Vilela, M. ; Pacheco, António; Valadas, Rui; Salvador, P. (2016)  Extracting Information from Interval Data Using Symbolic Principal Component Analysis. Computer Science Analysis and Modeling. Theoretical and Applied Stochastics . Proceedings of the XI International Conference on Computer Data Analysis & Modeling (CDAM-2016), Minsk, September 6-10, 45-52.

• Morais, M. C. ; Ramos, Patrícia F.; Pacheco, António (2013)  Strategies to reduce the probability of a misleading signal . Proceedings of the XIth International Workshop on Intelligent Statistical Quality Control, 229–244.

• Pascoal, C.; Oliveira, M. Rosário; Valadas, Rui; Filzmoser, P.; Salvador, P.; Pacheco, António (2012)  Robust feature selection and robust PCA for internet traffic anomaly detection . Proceedings of IEEE, INFOCOM: 25-30 March, Orlando, FL, 1755–1763.

• Ramos, Patrícia F.; Morais, M. C. ; Pacheco, António; Schmid, W. (2010)  Assessing the impact of autocorrelation in misleading signals in simultaneous residual schemes for the process mean and variance: a stochastic ordering approach . Proceedings of the X International Workshop on Intelligent Statistical Quality Control.

• Loureiro, D.; Borba, R; Rebelo, M.; Alegre, H.; Coelho, S.; Covas, D.; Amado, Conceição; Pacheco, António; Pina, A. (2009)  Analysis of household night consumption . Proceedings of the CCWI 2009 conference, Integrating Water Systems, CRC Press, Londres, Reino Unido: ISBN 978-0-415-54851-9, 557-56.

• Ferreira, Fátima; Pacheco, António (2009)  Level-crossing ordering of M/M/c retrial queues . Proceedings of International Conference on Numerical Analysis and Applied Mathematics, Rethymno, Greece, 18/09-22/09: 1-2, 381-384.

• Nunes, Cláudia; Pacheco, António (2008)  Statistical models to predict electricity prices . Proceedings of 5th IEEE International Conference on the European Electricity Market Location, Lisbon, Portugal, May 28-30, 1-6.

• Pacheco, António; Ribeiro, Helena (2007)  Algorithmic approach to compute moments of the duration of busy periods in oscillating queueing systems . Procs. of the International Workshop on Recent Advances in Stochastic Operations Research - RASOR 2007, Nanzan University: Japan, March 5-6, 235-242.

• Ferreira, Fátima; Pacheco, António; Ribeiro, Helena (2007)  Markov regenerative analysis of finite oscillating queueing systems . Procs. of the International Workshop on Recent Advances in Stochastic Operations Research - RASOR 2007, Nanzan University: Japan, March 5-6, 235-242.

• Pacheco, António; Ribeiro, Helena (2006)  Consecutive customer loss probabilities in M/G/1/n and GI/M(m)/n systems . Procs. SMCTools - Tools for Solving Structured Markov Chains: Pisa, Italy, October 10.

• Pacheco, António; Ribeiro, Helena (2006)  Algorithms for computing moments of the length of busy-periods of single-server systems . Proceedings of the 10th WSEAS International Conference on COMPUTERS, Vouliagmeni, Athens, Greece, July 13-15, 986-991.

• Oliveira, M. Rosário; Sertório, L.; Valadas, Rui; Pacheco, António (2006)  Decomposition of network flows with applications to cluster analysis of Internet access traffic. . Procs. Second Conference on Next Generation Internet Networks – Traffic Engineering: Valencia, Spain, April 3-5.

• Antunes, Nelson; Nunes, Cláudia; Pacheco, António (2006)  Sojourn time of elastic flows under perturbation of unresponsive traffic . Procs. Second Conference on Next Generation Internet Networks – Traffic Engineering, Valencia: Spain, April 3-5.

• Ferreira, Fátima; Pacheco, António (2005)  Simulation of semi-Markov processes and Markov chains ordered in level crossing . In Procs. of the First Conference on Next Generation Internet Networks - Traffic Engineering: Rome, April 18-20.

• Ribeiro, Helena; Pacheco, António (2005)  Bursts and gaps of Markov renewal arrival processes . Procs. International Workshop on Recent Advances in Stochastic Operations Research - RASOR 2005, Canmore: Canada, August 25-26, 211-218.

• Nogueira, A.; Oliveira, M. Rosário; Salvador, P.; Valadas, Rui; Pacheco, António (2005)  Classification of Internet users using Discriminant Analysis and Neural Networks . In Procs. of the First Conference on Next Generation Internet Networks - Traffic Engineering: Rome, April 18-20.

• Ferreira, Fátima; Pacheco, António (2005)  An efficient approach to analyze finite buffer queues with generalized Pareto interarrival times and exponential service . Procs. International Workshop on Recent Advances in Stochastic Operations Research - RASOR 2005: Canmore, Canada, August 25-26, 34-41.

• Nogueira, A. Nogueira; Oliveira, M. Rosário; Salvador, P. ; Valadas, Rui; Pacheco, António (2005)  Using Neural Networks to Classify Internet Users . In Procs. AICT/SAPIR/ELETE 2005, 183-188.

• Ferreira, Fátima; Pacheco, António (2004)  Analysis of GI^X/M/s/c systems via uniformisation and stochastic ordering . Procs. of the First Workshop on New Trends in Modelling Quantitative Methods and Measurements, Zakopane: Poland, June 27-29, 97-133.

• Morais, M. C. ; Pacheco, António (2004)  Misleading signals in joint schemes for mu and sigma . Proceedings of the VIIIth International Workshop on Intelligent Statistical Quality Control (Eds. Grzegorzewski, P. et al.), 151–173.

• Ferreira, Fátima; Pacheco, António (2004)  Stochastic ordering of semi-Markov processes . Procs. of the Second International Conference on the Performance Modelling and Evaluation of Heterogeneous Networks (HET-NETs´04), Ilkle: UK, July 26-28, T5/1-11.

• Ferreira, Fátima; Pacheco, António (2004)  Some results for GI^X/M/s/c queues . In Procs. of The 2005 International Symposium on Applications and the Internet (SAINT 2005 Workshops): Trento,January 31-February 4, 252-255.

• Nogueira, A.; Salvador, P. ; Valadas, Rui; Pacheco, António (2003)  Markovian approach for modeling IP traffic behavior on several time scales . In Procs. Conference on Performance and Control of Next-Generation Communications Networks, Orlando, Florida: September 9-10, 29-40.

• Nogueira, A. ; Salvador, P.; Valadas, Rui; Pacheco, António (2003)  A hierarchical approach based on MMPPs for modeling self-similar traffic over multiple time scales . Procs. Int. Working Conference on Performance Modeling and Evaluation of Heterogeneuous Networks - HET-NETs, Ilkley, West Yorkshire: UK, July 21-23, 1: 37/1-37/13.

• Oliveira, M. Rosário; Valadas, Rui; Pacheco, António; Salvador, P. (2003)  Cluster analysis of internet users based on hourly traffic utilization . Procs. Int. Working Conference on Performance Modeling and Evaluation of Heterogeneuous Networks - HET-NETs, Ilkley, West Yorkshire, UK: July 21-23, 1: 56/1-56/14.

• Mateus, P.; Pacheco, António; Pinto, J. (2002)  Observations and the probabilistic situation calculus . Eighth International Conference on Principles of Knowledge Representation and Reasoning (KR2002), 327-338.

• Ferreira, Fátima; Pacheco, António (2002)  Analysis of Pareto/M/s/c queues using uniformization . Procs. Second Euro-Japanese Workshop on Stochastic Risk Modelling for Finance, Insurance, Production and Reliability, Chamonix: France, September 18-20, 101-110.

• Antunes, Nelson; Nunes, Cláudia; Pacheco, António (2002)  A queueing network with Markov modulated input . Procs. Second Euro-Japanese Workshop on Stochastic Risk Modelling for Finance, Insurance, Production and Reliability, Chamonix: France, September 18-20, 15-24.

• Kwiatkowska, M.; Norman, G.; Pacheco, António (2002)  Model checking expected time and expected reward formulae with random time bounds . Procs. Second Euro-Japanese Workshop on Stochastic Risk Modelling for Finance, Insurance, Production and Reliability, Chamonix: France, September 18-20, 282-291.

• Antunes, Nelson; Pacheco, António; Rocha, R. (2001)  Modelling and performance evaluation of a broadband wireless network . Revista de Estatística - Statistical Review, Proceedings of the 23rd European Meeting of Statisticians, Tecnopolo Funchal, Madeira, Portugal, August 13-18: 2/2001, 37-38.

• Morais, M. C. ; Pacheco, António (2001)  Assessing the impact of correlation in the performance of residual schemes: a stochastic ordering approach . Proceedings of the VIIth International Workshop on Intelligent Statistical Quality Control, 334–348.

• Morais, M. C. ; Pacheco, António (2001)  Evaluating the impact of misleading signals in joint schemes for mu and sigma . Revista de Estatística - Statistical Review, Proceedings of the 23rd European Meeting of Statisticians Tecnopolo Funchal, Madeira, Portugal, August 13-18: 2/2001, 285-286.

• Nunes, Cláudia; Pacheco, António (1999)  Stability for input-output systems . Proceedings of ASMDA99 - Applied Stochastic Models and Data Analysis: Quantitative Methods in Business and Industry Society. InstitutoNacional de Estatística, Lisboa, 410-415.

• Morais, M. C. ; Pacheco, António (1998)  Comparing first passage times of Markovian processes . Proceedings of the 2nd International Symposium on Semi-Markov Models: Theory and Applications.

• Nunes, Cláudia; Pinto, J.R. Caldas; Pacheco, António (1998)  Two-dimensional forgetting factor . Proceedings of the 3rd Portuguese Conference on Automatic Control - CONTROLO´98, Coimbra September 9-11, 513-517.

• Nunes, Cláudia; Pacheco, António (1998)  Parameter estimation in MMPPs . Proceedings of the 2nd International Symposium on Semi-Markov Models: Theory and Applications - Compiègne, December 9-11, 1998. Included in the section "Statistical Estimation II".

Teses

• Pacheco, António (1994)  Markov-additive processes arising in storage models for communications systems . PhD. thesis, Cornell University, Ithaca, New York.

• Pacheco, António (1990)  Sistemas M/M/r/n: Comparação de sistemas com iguais taxas de chegadas e de serviço (M/M/r/n systems: The comparison of systems with equal arrival and service rates) . M.Sc. thesis, Instituto Superior Técnico - UTL, Lisboa.

Edição de Livros

• Pacheco, António; Santos, R.; Oliveira, M. Rosário; Paulino, C.D.  (2014)  New Advances in Statistical Modeling and Applications . Springer-Verlag, ISBN 978-3-319-05323-3.

• Paulino, C.D. ; Pacheco, António; Pires, Ana M.; Cunha, Ferreira (1999)  Afirmar a Estatística: Um desafio para o século XXI . Edições SPE, Lisboa.

Artigos em Revistas Científicas Nacionais

• Pacheco, António (2009)  CEMAT  Universidade Técnica de Lisboa: O CEMAT e a Estatística no CEMAT . Bulletin of the Portuguese Statistical Society: 2009, 29-39.

 - Coordenador do Doutoramento em Estatística e Processos Estocásticos do Instituto Superior Técnico.

- Coordenador da Área Científica de Probabilidades e Estatística do Instituto Superior Técnico.