Service Engineering (096324) Winter 2010


Overview

Lectures

Recitations

Homework

References


Course schedule

Lecture 1 : Introduction to Service Engineering 

Lecture 2 : Flow Basics; Little's Law

Lecture 3 : Measurements - The First Prerequisite

Lecture 4 : Project (Processing) Networks; DS PERT/CPM

Lecture 5 : Fluid Model of a Service Station

Lecture 6 : Scaling and Dynamic Randomness; Poisson Processes

 

Lecture 7 : Service Times

 

Lecture 8-9 : Customer Patience

Lecture 10 : MJP – Part 1 ; 4CallCenters

Lecture 11 : MJP – Part I1 ; Palm/Erlang-A

 

Lecture 12 : G/G/1 and Multi-Server Service Stations ; Economies of Scale

 

Lecture 13 : QED Q’s Part I; Staffing

 

Lecture 14 : QED Q’s Part II; Staffing

Lecture 15 : Skills-Based Routing (SBR)

Lecture 16 (Virtual) : Queueing Networks

 

Lecture 1: Introduction to Service Engineering

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Handouts

Related Material

·        Course Description (PDF)

·        Rules of the Game (PDF-44KB)

·        Syllabus (PDF)

·        Introduction to Service Engineering: (PDF-3.8MB)

·        Service Engineering of a Call Center (PDF-60KB) (PPT-640KB)

·        Service Engineering of an Emergency Department (PDF-60KB) (PPT-640KB)

·        Lecture 1: Web Summary  (PDF-8.5MB)

·        Service Engineering (Science, Management): A Subjective View (PDF-200KB)

·        Service Research in Hospitals: Science, Engineering, Management  (PPT-2.16MB)

·        ענפי המסחר והשירותים: מובילי כלכלת ישראל  (PDF-336KB)

·        הפקולטה למדעי השירותים  (PDF-112KB)

·        IBM Almaden Services Research.  Service Science, Management and Engineering, SSME (Link)

·        הנדסת שירותים vs. Service Engineering (PDF-170KB)

·        Service Engineering in Germany - Methodical Development of New Service Products, by Bullinger, Fähnrich and Meiren  (PDF-72KB) 

·        Industrial Metamorphosis (on Services and Manufacturing), October 2005:
The Economist (PDF - 200KB), Haaretz (PDF - 230KB, Hebrew)

·        Innovation in Retail Banking, by Frey, Harker & Hunter (PDF-225KB)

·          דו"ח מבקר המדינה 53ב' לשנת 2000 – השירות לציבור(PDF-1.5MB)

·        Service Operation: an Example (BofA, USA) (PDF-121KB)

·        Service Operation: Additional Examples (PDF-158KB)

·        The Global Call Center Report: International Prespectives on Management and Employment, headed by Holman, Batt, and Holtgrewe, 2007 (PDF-2.66MB)

·         Call Centers in Israel, 2008  (PDF-127KB) מוקדי שירות טלפוני בישראל – נתח שוק ומאפייני תעסוקה  (PDF-542KB)

·        Readings for Introduction to Service Engineering (Link)

 

Lecture 2: Flow Basics; Little's Law

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Handouts

Related Material

·        Syllabus (PDF)

·        Little’s Law  (PDF-712KB)

·        Lecture 2 : Web Summary  (PDF-2.3MB)

·        Traffic Measurements and Predictions  (Link)

·        Readings for Measurements, Little's Law (Link)

·        Randolph Hall et al. Modeling Patience Flows Through the Healthcare System.  Chapter 1 from the book "Patient Flow: Reducing Delay in Healthcare Delivery" (PDF-670KB)

 

Lecture 3: Measurements - The First Prerequisite

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Handouts

Related Material

·        Syllabus (PDF)       

·        Call Center Measurements, Data Models and Data Analysis (PDF-98KB)

·        Measurement and MOP

1.   Full Version (PDF-8.3MB)

2.      Class Version (PDF-4.2MB)

·        DataMOCCA: Data Models for Call Center Analysis  (PDF-240KB)    

·        Lecture 3:  Web Summary  (PDF-4.4MB)

·        Modeling Court Delay, By Flanders  (PDF-600KB)

·        Improving the New York City Arrest-to-Arraignment System, By Larson et al  (PDF-2.3MB)

·        DataMOCCA: Data Model for Call Center Analysis. Volume 1: Model Description and Introduction to User Interface  (PDF-933KB)

·        KeyCorp Service Excellence Management System, From Interfaces (PDF – 2.4MB)

·        RFID for Patient Flow Management in Hospitals: An IBM Pilot (Link)

·        ‘Taming of the Queue’ healthcare waitimes guarantee in Canada (Link)

·        AT&T Universal Card Services (Measuring too much) (PDF-1.43MB)

 

Lecture 4: Models - The Second Prerequisite; Project (Processing) Networks; DS PERT/CPM

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Handouts

Related Material

·        Syllabus (PDF)     

·        Processing Networks and DS PERT/CPM: Lecture, Part 1 (PDF-1.65MB) 

·        Processing Networks and DS PERT/CPM: Lecture, Part 2  (PDF-2.25MB)

·        DS PERT\CPM (PDF-220KB)

·        From Project to Process Management

1.   Regular Version (PDF-3.7MB)

2.   Slides Show-(PDF-3.7MB)

·        BPR and Processing Networks (PDF-65KB)

·        Lecture 4:  Web Summary   (PDF-2.3MB)

·        Multi-Project Scheduling (Cohen Izack-PhD Student 2003)  (ZIP-460KB)

·        Some Approximations for Simple DS-PERT/CPM Models (PDF-80KB)

·        Readings for Processing Networks (Link)

 

Lecture 5 : Fluid Model of a Service Station

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Handouts

Related Material

·        Syllabus (PDF)

·        The Fluid View

1.    Short version, Lecture (PDF-5MB)

2.    Lecture (PDF-6.4MB)

3.    Full Version, Winter 2006 (PDF-7MB)

·        Flow Models of  Service Networks (PDF-56KB)

·        A Deterministic Model of a Service Station (PDF-130KB)

·       Lecture 5:  Web Summary   (PDF-2.97MB)

·        Randolph Hall et al. Modeling Patience Flows Through the Healthcare System.  Chapter 1 from the book "Patient Flow: Reducing Delay in Healthcare Delivery" (PDF-670KB)

·        Kaizen and stochastic networks in support of investigating aircraft failures. (PDF-736KB)

·        MITSIM: Transportation (Fluid) Flows (Link)  (ZIP-4.9MB)

·        Fluid Systems in Practice (Zip -4.75MB)

·        Reading  for Fluid Models (Link)

 

 

Lecture 6 : Scaling and Dynamic Randomness ; Poisson Processes

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Handouts

Related Material

·        Syllabus (PDF)

·        Poisson Process: Lecture  (PDF-920KB)

·        Review: Introductory Part, Lectures 1-5 (PDF)

·        Scaling and Centering (PDF-200KB)

·        Whitt’s Book (PDF-1MB)

·        Dynamic Randomness (PDF-140KB)

·        Lecture 6:  Web Summary  (PDF-700KB)

·        Whitt’s Slides (PDF-600KB)

·        The Failure of Poisson Modeling, By Paxson and Floyd (PDF-2MB)

·        Internet Traffic Tends Toward Poisson and Independent as the Load Increases, By Cao, Cleveland, Lin and Sun (PDF-244KB)

·        A Nonstationary Poisson View of Internet Traffic, By Karagiannis, Molle, Faloutsos and Broido (PDF-3MB)

·        How Competition Can Generate Poisson Arrivals, By Lariviere and Van-Mieghem (PDF-320KB)

·        Traffic Delays at Toll Booths, By Leslie C. Edie  (PDF-1.09MB)

·        Reading Packet for Dynamic Randomness (Link)

 

Lecture 7 : Service Times

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Handouts

Related Material

·        Syllabus (PDF)

·        Service Times:

1.    Lecture (PDF-2.48MB)

2.    Full version, Winter 2006 (PDF-4.6MB)

·        Calculating the Offered Load (from an Exam, in Hebrew) (PDF-151KB)

·        Haifa Municipality Example (PDF-500KB)

·        Phase Type Distributions (PDF-200KB)

·        Lecture 7:  Web Summary  (PDF-1.36B)

·      Fitting Phase-Type Distributions to Data from a Telephone Call Center – M.Sc Thesis Lecture, Eva Issaev (PPT-620KB)

·     Modelling healthcare systems with phase-type distributions. By Mark Fackrell, Health Care Manag Sci (2009) 12:11–26 (PDF-516KB)

·     Mandelbaum, A. and Reiman, M., ``On pooling in queueing networks", Management Science, 44, 971-981, 1996 (PDF-180KB)

·     A continuous time Markov model for the length of stay of elderly people in institutional long-term care. By Xie, Chaussalet, and Millard, 2003 (PDF-170KB)

·        Reading Packet for Service Times (Link)

 

Lecture 8-9 : Customer Patience

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Handouts

Related Material

·        Syllabus (PDF)

·        Abandonment

1.   Lecture (PDF-4.19MB)

2.   P{Abandon} vs. E[Wait] (PDF-120KB)

·        Lecture 8-9:  Web Summary  (PDF-1.58B)

·        Reading Packet for Customer Patience (Link)

·        Unrepresentative, Invalid and Misleading: Are Waiting Times for Elective Admission Wrongly Calculated? By Armstrong  (PDF-1.67MB)

·        Epidemiology of breast cancer (PDF-180KB)

 

 

Lecture 10 : MJP – Part I ; 4CallCenters

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Handouts

Related Material

·        Syllabus (PDF)

·        Short Demo of 4CallCenters (PDF-420KB)

·        Markovian Service Station in Steady State + 4CallCenters

1.Lecture (PDF-1.19MB)

2.Full version, Winter 2006 (PDF-1.94MB)

·        Design of Queues (PDF-236KB)

·        Lecture 10:  Web Summary  (PDF-1.02MB)

·        Reading Packet for MJP – Part I ; 4CallCenters  (Link)

·        Markov Jump Processes (PDF-172KB)

·        Pooling Queues at the Supermarket, New-York Times, 23/6/2007  (PDF-128KB) 2 years later: pictures in Summer 2009   (PDF-163KB)

·        Queueing Psychology (Link)

·         4CallCenters

  

 

Lecture 11 : MJP - Part II ; Palm/Erlang-A

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Handouts

Related Material

·        Syllabus (PDF)

·        MJP, Part II, leading to Erlang-A  (PDF-260KB)

·        The Palm/Erlang-A Queue: Lecture (PDF-2.14MB)

·        The Palm/Erlang-A Queue: Full Version (including Abandonment) (PDF-3.2MB)

·        Lecture 11:  Web Summary  (PDF-830KB)

·        The Palm/Erlang-A Queue, with Applications to Call Centers (PDF-920KB)

·        The M/M/n+G Queue: Summary of Performance Measures (PDF-180KB)

·        Designing a Call Center with Impatient Customers, By Garnett, Mandelbaum and Reiman  (PDF-290KB)

 

 

Lecture 12 : G/G/1 and Multi-Server Service Stations ; Economies of Scale

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Handouts

Related Material

·        Syllabus (PDF)

·        Non-Parametric Models of a Service System; GI/GI/1, GI/GI/n.

1.      Lecture (PDF-1.62MB)

2.      G/G/1 (PDF-255KB)

3.      Multi-Server Queues (PDF-5MB)

4.      Laws of Congestion (PDF-2.6MB)

·      Lecture 12:  Web Summary  (PDF-480KB)

·   Reading Packet for Multi-Server Stations  (Link)

 

 

Lecture 13 : QED Q's - Part I; Staffing;

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Handouts

Related Material

·        Syllabus (PDF)

·        Lecture Notes on QED Queues  

1.      Introduction (PDF-860KB)

2.      Erlang-B/C: Some Proofs, Facts and Analysis (PDF-930KB)

·        Markovian Many-Server Queues: Excursions, Asymptotics (PDF-228KB)

·        Lecture 13:  Web Summary  (PDF-290KB)

·   Borst S., Mandelbaum A. and Reiman M. Dimensioning Large Call Centers, 2004. (Preprint PostScript-490KB), (Published PDF -240KB)

·   Staff Scheduling for Inbound Call Centers and Customers Contact Centers – Blue Pumpkin’s Solution (PDF-960KB)

 

Lecture 14 : QED Q's – Part  II ; Staffing;

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Handouts

Related Material

·        Syllabus (PDF)

·        QED Queues. Erlang-A in the QED & ED regime. Lecture (PDF-644KB)

·        Lecture Notes, Winter 2006

1.      Erlang – A  (PDF-800KB)

2.      Time-Varying Loads  (PDF-550KB)

3.      Erlang B/C/A in the QED Regime (PDF-75KB)

·        Lecture 14:  Web Summary  (PDF-480KB)

·   Telephone Call/Contact Centers, Service Engineering And Queuing Science. Mandelbaum A. Montreal Stochastic Networks Conference, July 2004 (PDF-1.9MB)

·   Designing a Call Center with Impatient Customers, by Garnett, Mandelbaum and Reiman, 2002 (Full Version PDF-300KB) (Short Version PDF-300KB)

·   Time-Stable Performance of Time-Varying Queues (PDF-200KB)

·   Server Staffing to Meet Time-Varying Demand, by Jennings, Mandelbaum, Massey and Whitt, 1996 (PDF-950KB)

·   Staffing of Time-Varying Queues to Achieve Time-Stable Performance. By  Feldman, Mandelbaum, Massey, and Whitt, 2008.  (PDF-580KB). Internet supplement  (PDF-1.15MB).  Unabridged version (PDF-2.74MB).

·   Healthcare Call Centers: A Technology Migration. By Howard Bernett (PDF-500KB)

·    A Comment on Edie's "Traffic Delays at Toll Booths", By Dantzig, Aug. 1954  (PDF-168KB)

·   Reading Packets for QED Q's and Staffing  (Link)

·   Examples of Exams, with Solutions (Link)

 

 

 

 

Lecture 15  : Skills-Based Routing (SBR)

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Handouts

Related Material

·        Syllabus (PDF)

·        Evaluation Form (DOC-70KB)  (PDF-70KB)

·        QED Queues: Extensions. Skills-Based Routing. Lecture (PDF-804KB)

·        Skills Based Routing and its Operational Complexities, Winter 2006 Lecture (PDF-720KB)

·        Teaching Note on Skills Based Routing (Garnett) (PDF-360KB) 

·        Lecture 15:  Web Summary  (PDF-480KB)

·   Reading Packets for SBR  (Link)

·   Introduction to course (PDF-100KB)

·   Innovation in Retail Banking, By Frey, Harker & Hunt (PDF-225KB)

·   Telephone Call Centers:  Tutorial, Review and Research Prospects. By Gans, Koole, and Mandelbaum. (PDF-2.1MB)

·   Q-Domino: Customers Can Choose Their Service (Movie 1.8MB)

 

Lecture 16 (Virtual) : Queueing Networks

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Handouts

Related Material

·        Syllabus (PDF)

·        Queueing (Jackson) Networks (PDF-150KB)

·        QNA: Q-Net Analysis (PDF-124KB)