Multi-class Markovian arrival processes and their parameter fitting

P Buchholz, P Kemper, J Kriege - Performance Evaluation, 2010 - Elsevier
Markovian arrival processes are a powerful class of stochastic processes to represent
stochastic workloads that include autocorrelation in performance or dependability modeling …

An integrated framework for design, management and operation of reconfigurable assembly systems

M Manzini, J Unglert, D Gyulai, M Colledani… - Omega, 2018 - Elsevier
Manufacturing has to cope with the continuously increasing variety of products, change of
volumes and shortening product life cycles. These trends also affect the automotive sector …

[HTML][HTML] Mortality modeling and regression with matrix distributions

H Albrecher, M Bladt, M Bladt, J Yslas - Insurance: Mathematics and …, 2022 - Elsevier
In this paper we investigate the flexibility of matrix distributions for the modeling of mortality.
Starting from a simple Gompertz law, we show how the introduction of matrix-valued …

Supervised ML for Solving the GI/GI/1 Queue

O Baron, D Krass, A Senderovich… - INFORMS Journal on …, 2024 - pubsonline.informs.org
We apply supervised learning to a general problem in queueing theory: using a neural net,
we develop a fast and accurate predictor of the stationary system-length distribution of a …

A heuristic approach for fitting MAPs to moments and joint moments

P Buchholz, J Kriege - … on the quantitative evaluation of systems, 2009 - ieeexplore.ieee.org
Fitting of the parameters of a Phase Type (PH) distribution or a Markovian Arrival Process
(MAP) according to some quantities of measured data streams is still a challenge. This …

Observation-enhanced QoS analysis of component-based systems

C Paterson, R Calinescu - IEEE Transactions on Software …, 2018 - ieeexplore.ieee.org
We present a new method for the accurate analysis of the quality-of-service (QoS) properties
of component-based systems. Our method takes as input a QoS property of interest and a …

Construction of phase type distributions by Bernstein exponentials

A Horváth, E Vicario - European Workshop on Performance Engineering, 2023 - Springer
Abstract Analysis of stochastic models is often hurdled by the complexity of probability
density functions associated with generally distributed random variables. Among the …

Stability of a two-queue cyclic polling system with BMAPs under gated service and state-dependent time-limited service disciplines

J Cao, W Xie - Queueing Systems, 2017 - Springer
The stability of a cyclic polling system, with a single server and two infinite-buffer queues, is
considered. Customers arrive at the two queues according to independent batch Markovian …

PH and MAP fitting with aggregated traffic traces

J Kriege, P Buchholz - … , Modelling, and Evaluation of Computing Systems …, 2014 - Springer
Abstract Phase Type Distributions (PHDs) and Markovian Arrival Processes (MAPs) are
versatile models for the modeling of timing behavior in stochastic models. The …

Matching distributions under structural constraints

A Bies, H Hermanns, MA Köhl, A Schmidt - International Conference on …, 2023 - Springer
Phase-type distributions, the probability distributions generated by the time to absorption in
a continuous-time Markov chain, are a popular tool for modeling time-dependent system …