Armann Ingolfsson

University of Alberta - Department of Accounting, Operations & Information Systems

Associate Professor

Edmonton, Alberta T6G 2R6

Canada

SCHOLARLY PAPERS

32

DOWNLOADS

364

SSRN CITATIONS
Rank 41,297

SSRN RANKINGS

Top 41,297

in Total Papers Citations

9

CROSSREF CITATIONS

9

Scholarly Papers (32)

1.

Models of the Impact of Triage Nurse Standing Orders on Emergency Department Length of Stay

Number of pages: 37 Posted: 22 Jun 2020
Saied Samiedaluie, Vera Tilson and Armann Ingolfsson
University of Alberta - School of Business, University of Rochester - Simon Business School and University of Alberta - Department of Accounting, Operations & Information Systems
Downloads 167 (223,811)

Abstract:

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Management of Emergency Departments, Triage Standing Orders, Behavioral Queueing, Early Task Initiation, Queueing Network

2.

Load Effect on Service Times

Number of pages: 34 Posted: 20 Aug 2015
Mohammad Delasay, Armann Ingolfsson, Bora Kolfal and Kenneth Schultz
Stony Brook University College of Business, University of Alberta - Department of Accounting, Operations & Information Systems, University of Alberta - Department of Accounting, Operations & Information Systems and Air Force Institute of Technology
Downloads 127 (278,759)
Citation 22

Abstract:

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Behavioral operations; Service operations; Queues; Service time; Load

3.

A Markov Chain Model for an EMS System with Repositioning

Production and Operations Management, Vol. 22, No. 1, pp. 216-231, January-February 2013, University of Alberta School of Business Research Paper No. 2013-07
Number of pages: 18 Posted: 05 Mar 2013
Ramon Alanis, Armann Ingolfsson and Bora Kolfal
Independent, University of Alberta - Department of Accounting, Operations & Information Systems and University of Alberta - Department of Accounting, Operations & Information Systems
Downloads 56 (456,212)

Abstract:

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health care, ambulance service, repositioning, system status management, fleet management

4.

Accounting for Time-Varying Queueing Effects in Workforce Scheduling

Science Direct Working Paper No S1574-0358(04)70138-0
Number of pages: 13 Posted: 05 Mar 2018
Armann Ingolfsson, Md. Amanul Haque and Alex Umnikov
University of Alberta - Department of Accounting, Operations & Information Systems, Independent and Independent
Downloads 14 (686,638)

Abstract:

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Manpower planning, Human resources, Genetic algorithms, Queueing, Scheduling

5.

Queueing Models of Case Managers

Management Science, Forthcoming, University of Alberta School of Business Research Paper No. 2013-306, Tuck School of Business Working Paper No. 2694799
Posted: 24 Nov 2015 Last Revised: 08 Mar 2016
Fernanda Campello, Armann Ingolfsson and Robert A. Shumsky
University of Alberta - Department of Accounting, Operations & Information Systems, University of Alberta - Department of Accounting, Operations & Information Systems and Dartmouth College - Tuck School of Business

Abstract:

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6.

The Use of Queueing and Simulative Analyses to Improve an Overwhelmed Pharmacy Call Center

Journal of Pharmacy Practice, October 2010; vol. 23, 5: pp. 492-495, University of Alberta School of Business Research Paper No. 2013-191
Posted: 20 Aug 2013
Armann Ingolfsson, Nathan Ravi, T. Day and W. Li
University of Alberta - Department of Accounting, Operations & Information Systems, Independent, Independent and Independent

Abstract:

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7.

The Teachers' Forum: Two Looks at the Spinner Experiment

Interfaces Vol. 29, No. 6, 1999, University of Alberta School of Business Research Paper No. 2013-197
Posted: 02 Jul 2013
Armann Ingolfsson and David Zalkind
University of Alberta - Department of Accounting, Operations & Information Systems and Independent

Abstract:

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professional, OR/MS education, probability

8.

The Application of Forecasting Techniques to Modeling Emergency Medical System Calls in Calgary, Alberta

Health Care Management Science Vol. 10 No. 1 pp. 25-45, University of Alberta School of Business Research Paper No. 2013-183
Posted: 02 Jul 2013
University of Montreal, School of Mathematics, Univ. of Southampton, University of Alberta - Department of Accounting, Operations & Information Systems and Independent

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Emergency, medical service, Arrivals, Time series, Simulation, Forecasting

9.

Markov Chain Models of a Telephone Call Centre with Call Blending

Computers & Operations Research vol. 34 no. 6 pp. 1616-1645, University of Alberta School of Business Research Paper 2013-182
Posted: 02 Jul 2013
Independent, University of Montreal, Independent, University of Alberta - Department of Accounting, Operations & Information Systems and School of Mathematics, Univ. of Southampton

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10.

Rostering for a Restaurant

INFOR Vol. 41 No. 3 pp 287-300 2003, University of Alberta School of Business Research Paper No. 2013-179
Posted: 02 Jul 2013
Armann Ingolfsson and Kwun Tong Cheng
University of Alberta - Department of Accounting, Operations & Information Systems and Independent

Abstract:

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11.

Accounting for Time-Varying Queueing Effects in Workplace Scheduling

European Journal of Operational Research Volume 139, Issue 3, 16 June 2002, Pages 585–597, University of Alberta School of Business Research Paper No. 2013-177
Posted: 02 Jul 2013
Armann Ingolfsson, Md. Amanul Haque and Alex Umnikov
University of Alberta - Department of Accounting, Operations & Information Systems, Independent and Independent

Abstract:

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Manpower planning, Human resources, Genetic algorithms, Queueing, Scheduling

12.

Run-by-Run Process Control: Combining SPC and Feedback Control

IEEE Vol. 8 No. 1 1995, University of Alberta School of Business Research Paper No. 2013-175
Posted: 02 Jul 2013
Armann Ingolfsson, Emanuel Sachs and Albert G. Z. Hu
University of Alberta - Department of Accounting, Operations & Information Systems, Independent and National University of Singapore (NUS) - Department of Economics

Abstract:

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13.

Stability and Sensitivity of an EWMA Controller

University of Alberta School of Business Research Paper No. 2013-174, Journal of Quality Technology, Vol. 25, No. 4
Posted: 02 Jul 2013
Armann Ingolfsson and Emanuel Sachs
University of Alberta - Department of Accounting, Operations & Information Systems and Independent

Abstract:

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Exponentially weighted moving average control charts (EWMA), Stability, Statistical process control (SPC), Feedback control

14.

Simulation of Single Start Station for Edmonton EMS

University of Alberta School of Business Research Paper No. 2013-178, The Journal of the Operational Research Society Vol. 54, No. 7, Jul., 2003
Posted: 02 Jul 2013
Armann Ingolfsson, Erhan Erkut and Susan Budge
University of Alberta - Department of Accounting, Operations & Information Systems, Independent and Independent

Abstract:

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Simulation, Emergency medical system, ambulance deployment, health service, single start station

15.

Catastrophe Avoidance Models for Hazardous Materials Route Planning

Transport Science May 2000 Vol. 34 No. 2 165-179, University of Alberta School of Business Research Paper No. 2013-176
Posted: 29 Jun 2013
Armann Ingolfsson and Erhan Erkut
University of Alberta - Department of Accounting, Operations & Information Systems and Independent

Abstract:

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16.

Maximizing Throughput in Finite-Source Parallel Queue Systems

European Journal of Operational Research, Volume 217, Issue 3, 16 March 2012, pp. 554–559, University of Alberta School of Business Research Paper No. 2013-196
Posted: 28 Jun 2013
Mohammadmorteza Delasay, Bora Kolfal and Armann Ingolfsson
University of Alberta - Department of Accounting, Operations & Information Systems, University of Alberta - Department of Accounting, Operations & Information Systems and University of Alberta - Department of Accounting, Operations & Information Systems

Abstract:

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Markov processes, Queueing, Routing to parallel queues, Dispatching systems, Markov decision processes

17.

Optimal Ambulance Location with Random Delays and Travel Times

University of Alberta School of Business Research Paper No. 2013-184, Health Care Manage Sci, 11:262–274, 2008
Posted: 28 Jun 2013
Armann Ingolfsson, Susan Budge and Erhan Erkut
University of Alberta - Department of Accounting, Operations & Information Systems, Independent and Independent

Abstract:

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Emergency medical services, Ambulance location, Facility location, Dispatch delays

18.

Simulating NHL Games to Motivate Student Interest in OR/MS

INFORMS Trans. Ed., 5(1), pp. 37-46, 2004, University of Alberta School of Business Research Paper No. 2013-651
Posted: 28 Jun 2013
Armann Ingolfsson
University of Alberta - Department of Accounting, Operations & Information Systems

Abstract:

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19.

Graphical Spreadsheets Simulation of Queues

INFORMS Transactions on Education, Vol. 2, No. 2, pp. 27-39, 2002, University of Alberta School of Business Research Paper No. 2013-199
Posted: 28 Jun 2013
Armann Ingolfsson and Thomas A. Grossman
University of Alberta - Department of Accounting, Operations & Information Systems and University of Calgary - Haskayne School of Business

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20.

Let's Put the Squares in Least-Squares

INFORMS Trans. Ed., 1(1), pp. 47-50, University of Alberta School of Business Research Paper No. 2013-198
Posted: 28 Jun 2013
Erhan Erkut and Armann Ingolfsson
Independent and University of Alberta - Department of Accounting, Operations & Information Systems

Abstract:

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21.

Simulation-Based Approach for Estimating Project Completion Time of Stochastic Resource – Constrained Project Networks

J. Comput. Civ. Eng., 26(4), 558–560, 2012, University of Alberta School of Business Research Paper No. 2013-195
Posted: 28 Jun 2013
Naimeh Sadeghi, Aminah Fayek and Armann Ingolfsson
Independent, Independent and University of Alberta - Department of Accounting, Operations & Information Systems

Abstract:

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22.

Efficient and Reliable Computation of Birth-Death Process Performance Measures

INFORMS Journal on Computing, Winter 2012, Vol. 24, No. 1, pp. 29-41, University of Alberta School of Business Research Paper No. 2013-194
Posted: 28 Jun 2013
Armann Ingolfsson and Ling Tang
University of Alberta - Department of Accounting, Operations & Information Systems and Independent

Abstract:

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queues, algorithms, birth-death, Erlang B, Erlang C, Erlang A

23.

Combining Integer Programming and the Randomization Method to Schedule Employees

European Journal of Operational Research, Vol. 202, No. 1, pp. 153-163, 2009, University of Alberta School of Business Research Paper No. 2013-193
Posted: 28 Jun 2013
Armann Ingolfsson, Edgar Alberto Cabral and Xudong Wu
University of Alberta - Department of Accounting, Operations & Information Systems, Independent and Independent

Abstract:

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24.

Scheduling Ambulance Crews for Maximum Coverage

Journal of the Operational Research Society, 61, pp. 543–550 (2010), University of Alberta School of Business Research Paper No. 2013-192
Posted: 28 Jun 2013
Güneş Erdoğan, Erhan Erkut, Armann Ingolfsson and Gilbert Laporte
School of Management, University of Southampton, Independent, University of Alberta - Department of Accounting, Operations & Information Systems and HEC Montreal

Abstract:

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ambulance location, shift scheduling, tabu search, integer programming

25.

Empirical Analysis of Ambulance Travel Times: The Case of Calgary Emergency Medical Services

Management Science, Vol. 56 No. 4, pp. 716-723, April 2010, University of Alberta School of Business Research Paper No. 2013-190
Posted: 28 Jun 2013
Susan Budge, Armann Ingolfsson and Dawit Zerom
Independent, University of Alberta - Department of Accounting, Operations & Information Systems and California State University, Fullerton

Abstract:

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ambulance service, probability-of-coverage map, nonparametric, travel

26.

Computational Comparison of Five Maximal Covering Models for Locating Ambulances

University of Alberta School of Business Research Paper 2013-189, Geographical Analysis, Vol. 41, Issue 1, 2008
Posted: 28 Jun 2013
Erhan Erkut, Armann Ingolfsson, Thaddeus Sim and Güneş Erdoğan
Independent, University of Alberta - Department of Accounting, Operations & Information Systems, Independent and School of Management, University of Southampton

Abstract:

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27.

Approximating Vehicle Dispatch Probabilities for Emergency Service Systems with Location-Specific Service Times and Multiple Units Per Location

University of Alberta School of Business Research Paper No. 2013-188
Posted: 28 Jun 2013
Susan Budge, Armann Ingolfsson and Erhan Erkut
Independent, University of Alberta - Department of Accounting, Operations & Information Systems and Independent

Abstract:

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health care, ambulance service, queues, approximations

28.

Four Canadian Contributions to Stochastic Modeling

INFOR, Vol. 46, No. 1, pp. 3–14, February 2008, University of Alberta School of Business Research Paper No. 2013-187
Posted: 28 Jun 2013
Independent, University of British Columbia (UBC) - Division of Operations and Logistics, University of Montreal and University of Alberta - Department of Accounting, Operations & Information Systems

Abstract:

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Stochastic modeling, uniformization method, Markov decision processes, random number generation, queueing theory software

29.

Ambulance Location for Maximum Survival

Naval Research Logistics, Vol. 55, Issue 1, 2007, University of Alberta School of Business Research Paper No. 2013-186
Posted: 28 Jun 2013
Erhan Erkut, Armann Ingolfsson and Güneş Erdoğan
Independent, University of Alberta - Department of Accounting, Operations & Information Systems and School of Management, University of Southampton

Abstract:

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ambulance location, covering models, survival function

30.

Social Optimal Location of Facilities with Fixed Servers, Stochastic Demand, and Congestion

Production and Operations Management, Vol. 18, No. 6 pp. 721-736, 2008, University of Alberta School of Business Research Paper No. 2013-185
Posted: 28 Jun 2013
Ignacio Castillo, Armann Ingolfsson and Thaddeus Sim
Independent, University of Alberta - Department of Accounting, Operations & Information Systems and Independent

Abstract:

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Service Facility System Design, Capacity Choice, Stochastic Facility Location, Social Optimum

31.

A Survey and Experimental Comparison of Service-Level-Approximation Methods for Non-Stationary M(T)/M/S(T) Queueing Systems with Exhaustive Discipline

University of Alberta School of Business Research Paper No. 2013-181, INFORMS Journal on Computing Spring, Vol. 19, No. 2, 201-214, 2002
Posted: 28 Jun 2013
University of Alberta - Department of Accounting, Operations & Information Systems, Independent, Independent, Independent and Independent

Abstract:

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queues, nonstationary, algorithms, approximations

32.

Transport Risk Models for Hazardous Materials: Revisited

Operations Research Letters Volume 33, Issue 1, January 2005, Pages 81–89, University of Alberta School of Business Research Paper No. 2013-180
Posted: 28 Jun 2013
Erhan Erkut and Armann Ingolfsson
Independent and University of Alberta - Department of Accounting, Operations & Information Systems

Abstract:

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Hazardous materials transport, Stochastic shortest path problem