In this paper three perspectives are presented on defining the general notion of technical artifacts in formal ontologies. These perspectives share two intuitions: that technical artifacts are objects that exist by human intervention; and that technical artifacts are to be contrasted to natural entities. Yet the perspectives are different in the way they spell out these intuitions: the relevant...

Technical analysis is the art of identifying patterns in historical data with the belief that certain patterns foretell future price movements. An empirical evaluation of the effectiveness of technical analysis is confounded by the subjectivity involved in identifying patterns. This work presents a robust framework for pattern identification using probabilistic neural networks (PNN). The thirty...

Technology development is changing where it is possible to master hundreds of thousands of functionalities with one single device. The design of targets of use and purposes for technologies has thus become an increasingly important issue in industrial design, where the innovative value can be found increasingly often in new ways of using technologies rather than in developing new technical arti...

METAPOST is a tool especially well-suited for the inclusion of technical drawings in a document. In this article, we show how METAPOST can be used to represent objects in space and especially how it can be used for drawing geometric constructions involving lines, planes, as well as their intersections, orthogonal planes, etc. All the features belong to a new METAPOST package aimed at all those ...

Copyright © 2001, Idea Group Publishing. The research effort on Electronic Patient Records (EPRs) has rapidly increased in the last decade. Much of this research focussed on standardisation and technical realizations. We will describe such a research effort in this chapter and evaluate its success. Our main finding is that the lack of success of this specific research effort is mainly due to it...

Distributed energy storage (DES) plays an important role in microgrid operation and control, as it can potentially improve local reliability and resilience, reduce operation cost, and mitigate challenges caused by high penetration renewable generation. However, to ensure an acceptable economic and technical performance, DES must be optimally sized and placed. This paper reviews the existing DES...

This essay discusses the effect of technical change on wage inequality. I argue that the behavior of wages and returns to schooling indicates that technical change has been skill-biased during the past sixty years. Furthermore, the recent increase in inequality is most likely due to an acceleration in skill bias. In contrast to twentiethcentury developments, much of thr technical change during ...

The critical distinction between the technical potential to improve fuel economy and how much of that technical potential is realized .. Summary The Global Fuel Economy Initiative was launched in early 2009. It set a target of improving the average fuel economy (in litre/100km terms) for the global vehicle light-duty vehicle fleet by at least 50% by 2050 (50by50). In terms of miles per gallon t...

A novel algorithm for actively trading stocks is presented. While traditional expert advice and “universal” algorithms (as well as standard technical trading heuristics) attempt to predict winners or trends, our approach relies on predictable statistical relations between all pairs of stocks in the market. Our empirical results on historical markets provide strong evidence that this type of tec...

In technical drawings and medical drawings/maps it is often common to explain certain features of the drawing by blocks of text that are arranged on its boundary. Bekos et. al. introduced the term boundary labelling to describe this special type of labelling and presented algorithms for automatic boundary labelling. BLer is a prototype tool aiming to automate the boundary labelling process. It ...