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
Security, visibility and resilience
The numerous possibilities of disruptions and disturbances in the supply chain demand a supply chain[...]
Road Vulnerability
Today we are going back in time, to one of the seminal articles in road vulnerability. Katja Berdica[...]
BOOKS and BOOK CHAPTERS
Book Review: Transportation Security
Instead of Transportation Systems Security, which I reviewed in an earlier post, I should have settl[...]
The Nordic approach to Logistics and Supply Chain Management?
Is there such a thing as a typically Nordic way of thinking within the field of Supply Chain Managem[...]
REPORTS and WHITEPAPERS
How New Zealand develops resilient organisations
Is New Zealand better prepared for a disaster than other countries? As our infrastructure and organi[...]
Infrastructure - essential for competitiveness?
Regular readers of this blog may have noticed my regular rants about the state of the Norwegian infr[...]
from HERE and THERE
Supply chain disruptions by pirates
Yesterday I cited the press release of the Norwegian shipping company Odfjell, which no longer will [...]
A Christmas To Remember
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This has truly been a year of continuous supply chain disruptions, and many businesses have felt th[...]