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In this paper, an automatic method for reducing chemical mechanisms during run time based on the quasi-steady-state assumption (ASSA) is presented. The method uses a lifetime analysis of the chemical species which can be set to steady state according to a ranking procedure. Steady-state species concentrations are computed by algebraic rather than differential equations, thus yielding a significant
We consider the problem of L2-optimal triangulation from three separate views. Triangulation is an important part of numerous computer vision systems. Under gaussian noise, minimizing the L2 norm of the reprojection error gives a statistically optimal estimate. This has been solved for two views. However, for three or more views, it is not clear how this should be done. A previously proposed, but
Evaluation of IT investments is a difficult and complicated issue. This chapter presents a framework for control of IT investments with the aim of providing decision-makers with a clear picture of individual IT investments as well as an aggregated level where all IT investments are combined into a total picture. The framework has been developed using an action–research approach.In a number of work
Memorial ceremonies serve varying purposes, from national recognition of a tragedy to healing an individual’s inner wounds. An important aim is to make a catastrophic event comprehensible. The Indian Ocean Tsunami 2004 hit thirteen countries and almost 300,000 people were killed. In Thailand approximately 10,000 perished and among them were foreign tourists from nearly forty countries. Memorial
I am grateful to Daniel Little for his insightful reply to my recent article in Social Epistemology (2012, 105-114) about what appears to be a flaw in Jon Elster’s conception of mechanisms. I agree with much of what Little says, but want to amplify a different underlying problem with Elster’s conception (fourth point below) than Little suggests in his reply (third point below). This underlying pro
Distributed projects are generally recognized as being more complex and adding a number of new challenges to project management. Configuration management (CM) can be considered the infrastructure of all types of project being they co-located or distributed and lack of CM or badly implemented CM will hurt any type of project. In this paper, we take a closer look at the role of CM in distributed pro
This document describes the evaluation of the Safe Speed and Safe Distance system, developed in the framework of the SASPENCE subproject, considering driver behaviour, reactions and acceptance when driving with it in real traffic conditions. The findings show positive effects of the system in terms of fewer alarm situations, shorter alarm lengths, shorter reaction times, larger headway, better spe
