Winfried K. Grassmann

Publication Activity (10 Years)

Years Active: 1969-2019
Publications (10 Years): 6

Top Topics

Traffic Intensity

State Dependent

Stochastic Systems

Top Venues

INFOR Inf. Syst. Oper. Res.

SIMULTECH (Selected Papers)

Publications

Winfried K. Grassmann, Javad Tavakoli
A numerical method to determine the waiting time and the idle time distributions of a GI/G/1 queue when inter-arrival times and/or service times have geometric tails. INFOR Inf. Syst. Oper. Res. 57 (2) (2019)
Winfried K. Grassmann, Javad Tavakoli
The distribution of the line length in a discrete time GI∕G∕1 queue. Perform. Evaluation 131 (2019)
Owolabi Adekoya, Habib Sabiu, Derek L. Eager, Winfried K. Grassmann, Dwight J. Makaroff
A case study of spark resource configuration and management for image processing applications. CASCON (2018)
Ali Tirdad, Winfried K. Grassmann, Javad Tavakoli
Optimal policies of M(t)/M/c/c queues with two different levels of servers. Eur. J. Oper. Res. 249 (3) (2016)
Winfried K. Grassmann
Multiple Runs in the Simulation of Stochastic Systems Can Improve the Estimates of Equilibrium Expectations. SIMULTECH (Selected Papers) (2015)
Winfried K. Grassmann
Using Multiple Runs in the Simulation of Stochastic Systems for Estimating Equilibrium Expectations. SIMULTECH (2015)
Winfried K. Grassmann
Factors affecting warm-up periods in discrete event simulation. Simul. 90 (1) (2014)
Jagmohan Chauhan, Dwight J. Makaroff, Winfried K. Grassmann
Simulation and performance evaluation of the hadoop capacity scheduler. CASCON (2014)
Winfried K. Grassmann, Javad Tavakoli
Efficient Methods to find the Equilibrium Distribution of the Number of Customers in GI/M/c Queues. INFOR Inf. Syst. Oper. Res. 52 (4) (2014)
Jagmohan Chauhan, Dwight J. Makaroff, Winfried K. Grassmann
The Impact of Capacity Scheduler Configuration Settings on MapReduce Jobs. CGC (2012)
Winfried K. Grassmann
A Computer Built with Relays and a Mechanical Memory, and ALGOL. Comput. J. 55 (11) (2012)
Winfried K. Grassmann
Rethinking the initialization bias problem in steady-state discrete event simulation. WSC (2011)
Winfried K. Grassmann, Javad Tavakoli
Comparing Some Algorithms for Solving QBD Processes Exhibiting Special Structures. INFOR Inf. Syst. Oper. Res. 48 (3) (2010)
Winfried K. Grassmann
When, and when not to use warm-up periods in discrete event simulation. SimuTools (2009)
Winfried K. Grassmann, Javad Tavakoli
Transient solutions for multi-server queues with finite buffers. Queueing Syst. Theory Appl. 62 (1-2) (2009)
Winfried K. Grassmann, Martin L. Puterman, Pierre L'Ecuyer, Armann Ingolfsson
Four Canadian Contributions to Stochastic Modeling. INFOR Inf. Syst. Oper. Res. 46 (1) (2008)
Yan Mao, Julita Vassileva, Winfried K. Grassmann
A System Dynamics Approach to Study Virtual Communities. HICSS (2007)
Yamini Upadrashta, Julita Vassileva, Winfried K. Grassmann
Social Networks in Peer-to-Peer Systems. HICSS (2005)
Winfried K. Grassmann, Jingxiang Luo
Simulating markov-reward processes with rare events. ACM Trans. Model. Comput. Simul. 15 (2) (2005)
Winfried K. Grassmann
The Use of Eigenvalues for Finding Equilibrium Probabilities of Certain Markovian Two-Dimensional Queueing Problems. INFORMS J. Comput. 15 (4) (2003)
Winfried K. Grassmann, Javad Tavakoli
A Tandem Queuewith a Movable Server: An Eigenvalue Approach. SIAM J. Matrix Anal. Appl. 24 (2) (2002)
Steve Drekic, Winfried K. Grassmann
An Eigenvalue Approach to Analyzing a Finite Source Priority Queueing Model. Ann. Oper. Res. 112 (1-4) (2002)
Winfried K. Grassmann, Xin Chen, Brij R. K. Kashyap
Optimal service rates for the state-dependent M/G/1 queues in steady state. Oper. Res. Lett. 29 (2) (2001)
Winfried K. Grassmann, Steve Drekic
An analytical solution for a tandem queue with blocking. Queueing Syst. Theory Appl. 36 (1-3) (2000)
Yiqiang Zhao, Winfried K. Grassmann
Queueing Analysis of a Jockeying Model. Oper. Res. 43 (3) (1995)
Winfried K. Grassmann
Rounding errors in certain algorithms involving Markov chains. ACM Trans. Math. Softw. 19 (4) (1993)
Winfried K. Grassmann, Daniel P. Heyman
Computation of Steady-State Probabilities for Infinite-State Markov Chains with Repeating Rows. INFORMS J. Comput. 5 (3) (1993)
Yiqiang Zhao, Winfried K. Grassmann
A Numerically Stable Algorithm for Two Server Queue Models. Queueing Syst. Theory Appl. 8 (1) (1991)
Winfried K. Grassmann, Joti L. Jain
Numerical Solutions of the Waiting Time Distribution and Idle Time Distribution of the Arithmetic GI/G/1 Queue. Oper. Res. 37 (1) (1989)
Joti L. Jain, Winfried K. Grassmann
Numerical solution for the departure process from the GI/G/1 queue. Comput. Oper. Res. 15 (3) (1988)
Winfried K. Grassmann, Michael I. Taksar, Daniel P. Heyman
Regenerative Analysis and Steady State Distributions for Markov Chains. Oper. Res. 33 (5) (1985)
Winfried K. Grassmann
Markov modelling. WSC (1983)
Winfried K. Grassmann
Initial bias and estimation error in discrete event simulation. WSC (1982)
Winfried K. Grassmann
Erratum. Oper. Res. 30 (4) (1982)
Winfried K. Grassmann
/∞ Queueing System. Oper. Res. 29 (6) (1981)
Winfried K. Grassmann
Transient solutions in Markovian Queueing Systems. Comput. Oper. Res. 5 (2) (1978)
Winfried K. Grassmann
Transient solutions in markovian queueing systems. Comput. Oper. Res. 4 (1) (1977)
Winfried K. Grassmann
Schätzung der Bestimmungsgründe von Rangfolgen. Unternehmensforschung 13 (4) (1969)