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
Measuring supply chain risk management
This paper was suggested by one of my readers, and upon reading it I must admit that it IS one of th[...]
Learning from toys - again
The year 2007 will be remembered as the year the toy industry was shaken by a seemingly endless stre[...]
BOOKS and BOOK CHAPTERS
Business Continuity in Global Supply Chains
Business Continuity is a crucial ingredient of supply chain management. At the same time, implementi[...]
Appetite versus Attitude
Finally, and long overdue, another review in the Gower Short Guide to Business Risk book series. Thi[...]
REPORTS and WHITEPAPERS
The UK Transport Network Resilience...and I
UK Transport Network Resilience
For a budding and even for a seasoned researcher, nothing is more rewarding than to have one's publi[...]
Saving Norway's crumbling infrastructure
NTP 2010-2019
Following up my post this morning called "D-Day for Norway's Transport Infrastructure", the numbers [...]
from HERE and THERE
Oslo airport shut-down...lessons learned?
Two days ago, Norway's major airport, Oslo Gardermoen (OSL) practically shut down due to weather con[...]
The reliability and vulnerability of transportation lifelines
How can we assess how reliable or vulnerable the transportation is, and which parameters can we appl[...]