Blog Archives

Shortest Path Computation: A Comparative Analysis

Current research work into establishing a performance efficiency hierarchy between Java, C++ and ArcView is described and experimentation is performed in order to statistically compare shortest path query execution time, response time and implementation issues.

Posted in my PUBLIC PRESENCE
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MFworks Tutorial

This tutorial, developed in 2002, is a showcase on network analysis in MFworks, with step by step instructions and a summary of the theory behind it.

Posted in THIS and THAT
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How to make a straight line square

Traditionally, network analysis, path finding and route planning have been the domain of graph theory and vector GIS, which is where most algorithms find their application. Contrary to such common wisdom, the research of this thesis for the Msc in GIS explores the topic of network analysis in raster GIS, using MFworks as example software.

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Fastest path problems in dynamic transportation networks

This research essay and literature review investigates some of the gateways to path finding in static and dynamic networks that are listed in present research literature. A selected set of different approaches are highlighted and set in a broader context, illustrating the various aspects of path finding in static and dynamic networks.

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Network analysis – raster versus vector – A comparison

The key to producing successful network models is in understanding the relationship between the characteristics of physical network systems and the representation of those characteristics by the elements of the network model.

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ARTICLES and PAPERS
Risk and Supply Chain Management - A Research Agenda
After a long break from reviewing actual supply chain risk literature, today I would like to return [...]
Supply Chain Confidence
Did a 2001 white paper turn into a 2004 academic journal article just like that? In Mitigating suppl[...]
BOOKS and BOOK CHAPTERS
Book Review: Enterprise SCM
Have you ever played SimCity? I never liked Transport Tycoon that much, but I used to play SimCity a[...]
Book review: Cost-Benefit Analysis: Theory and Application
I really enjoyed reading Cost-Benefit Analysis: Theory and Application by Tefvik Nas.  I used this b[...]
REPORTS and WHITEPAPERS
Stemming the rising tide
Are you are taking radically different actions than your peers when it comes to supply chain risk ma[...]
Risk management - Vocabulary
What is risk management in supply chains? The more I study supply chain risk management, the more co[...]
from HERE and THERE
Resilience Lessons from the Haiti Earthquake
The recent earthquake in Haiti is a poignant reminder of how vulnerable a country is when it is faci[...]
Volcanic Ash Cloud Day 5
Today is Day Five of the infamous Iceland volcanic ash cloud disruption. What just a week ago was a [...]