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.

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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.

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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
Sustainable supply chains
Sustainability has become a huge buzzword, both in today's business world and within the broader fac[...]
3PL Outsourcing - Challenges and Benefits
A couple of weeks ago I blogged about the flexibility of the logistics provider and how the transpor[...]
BOOKS and BOOK CHAPTERS
Transportation Hazards
This is an updated and extended review of  the Handbook of Transportation Engineering by Myer Kutz ([...]
Book Review: Transportation Network Analysis
Transportation Network Analysis by M. G. H. Bell and Yasunori Iida is a book for the expert rather t[...]
REPORTS and WHITEPAPERS
Highway Vulnerability and Criticality Assessment
Transportation vulnerability and resilience have been the focus of this blog for the past two days, [...]
Assess the vulnerability of your production system
So far I have reviewed "international" literature and web sites, and it is only fitting that now it [...]
from HERE and THERE
How to use IDRISI GIS
Decision making is the process that leads to a choice between a set of alternatives. Geographical de[...]
The ISCRiM Newsletter 1/2009
As a researcher within supply chain risk, I find the ISCRiM Newsletters a valuable source of informa[...]